Natural Products (produced by Fermentation and other methods)
Immune Suppressants, Receptor Agonists/Antagonists and Biochemistry Tools
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Quickindex:  
Code ProductQuantityUnitsPrice (EUR) 
LS-1003  A23187
4-Benzoxazolecarboxylic acid, 5-(methylamino)-2-((3,9,11-trimethyl-8-(1-methyl-2-oxo-2-(1H-pyrrol-2-yl)ethyl)-1,7-dioxaspiro(5.5)undec-2-yl)methyl)-, (6S-(6alpha(2S*,3S*),8beta(R*),9beta,11alpha))-, A23187 (free acid), Calcimycin, Calcium Ionophore A23187/ M.W. 523,63 g/mol / [52665-69-7] 
Please inquire!     
LS-1039  A23187-Mg/Ca
A23187 (Mg/Ca salt)/ M.W. 523,63 g/mol / [52665-69-7-Mg/Ca] 
Please inquire!     
LS-1001  4-Br-A23187
4-Bromo-A23187/ M.W. 602,53 g/mol / [76455-82-8] 
Please inquire!     
LS-1092  AB-5529
AB-5529/ M.W. 402,48 g/mol / [220383-76-6] 
Please inquire!     
LS-1212  (+)-cis, trans-Abscisic acid
ABA, Dormin, (S)-5-(1-Hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl)-3-methyl-(2Z,4E)-pentadienoic acid/ M.W. 264,32 g/mol / [21293-29-8] 
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LS-1004  Actinomycin D
Actinomycin D, Actinomycin IV, Actinomycin C1, Dactinomycin/ M.W. 1255,5 g/mol / [50-76-0] 
Please inquire!     
LS-1005  Aflatoxin B1
Aflatoxin B1/ M.W. 312,3 g/mol / [1162-65-8] 
Please inquire!     
LS-1006  Aflatoxin B2
Aflatoxin B2/ M.W. 314,3 g/mol / [7220-81-7] 
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LS-1007  Aflatoxin G1
Aflatoxin G1/ M.W. 328,32 g/mol / [1165-39-5] 
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LS-1008  Aflatoxin G2
Aflatoxin G2/ M.W. 330,3 g/mol / [7241-98-7] 
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LS-1009  Aflatoxin M1
Aflatoxin M1/ M.W. 328,28 g/mol / [6795-23-9] 
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LS-1075  Alamethicin
Almethicin, Antibiotic U-22324, Ac-Aib-Pro-Aib-Ala-Aib-Ala-Gln-Aib-Val-Aib-Gly-Leu-Aib-Pro-Val-Aib-Aib-Glu-Gln-Phenylalaninol/ M.W. 1964,3 g/mol / [27061-78-5] 
Please inquire!     
LS-1094  Alterperylenol
Alteichin/ M.W. 350,32 g/mol / [88899-62-1] 
Please inquire!     
LS-1002  7-Aminoactinomycin D
7-Aminoactinomycin/ M.W. 1270,4 g/mol / [7240-37-1] 
Please inquire!     
LS-1211  7-ACA
7-Aminocephalosporanic acid/ M.W. 227,28 g/mol / [957-68-6] 
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LS-1197  Angucycline
Angucycline/ M.W. 565,52 g/mol 
Please inquire!     
LS-1010  Anisomycin
Anisomycin/ M.W. 265,31 g/mol / [22862-76-6] 
Please inquire!     
LS-1280  Apamin
Bee venom: [Cys1-Cys11, Cys3-Cys15] H-Cys-Asn-Cys-Lys-Ala-Pro-Glu-Thr-Ala-Leu-Cys-Ala-Arg-Arg-Cys-Gln-Gln-His-NH2/ M.W. 2027,34 g/mol / [24345-16-2] 

Apamin, which has been isolated from bee venom, is the smallest neurotoxic polypeptide known. It is the only polypeptide neurotoxin that passes the blood-brain barrier. It has several features in common with the snake and scorpion neurotoxins: like these, apamin is a low-molecular-weight basic peptide, and the molecule is cross-linked by disulfide bridges.
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LS-1011  Aphidicolin
(+)-Aphidicolin/ M.W. 338,49 g/mol / [38966-21-1] 
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LS-1095  Aranorosin
2,4-Dodecadienamide, N-(dihydro-5‘-hydroxy-6‘-oxospiro(4,8-dioxatricyclo(5.1.0.03,5)octane-2,2‘(3‘H)-furan)-4‘-yl)-4,6-dimethyl-/ M.W. 417,51 g/mol / [117184-53-9] 
Please inquire!     
LS-1012  Ascomycin
Ascomycin/ M.W. 792,03 g/mol / [104987-12-4 and 11011-38-4] 
Please inquire!     
LS-1096  Asperfuran
5,7-Benzofurandiol, 2,3-dihydro-2-(1,3-pentadienyl)-, (R-(E,E))-/ M.W. 218,25 g/mol / [129277-10-7] 
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LS-1097  Asperlin
U 13933/ M.W. 212,2 g/mol / [30387-51-0] 
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LS-1098  Aspochalasin D
Aspochalasin D/ M.W. 401,54 g/mol / [71968-02-0] 
Please inquire!     
LS-1099  Aureonitol
Aureonitol / M.W. 206,28 g/mol / [71774-51-1] 
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LS-1101  Averantin-6-methylether
1,3,8-trihydroxy-2-(1-hydroxyhexyl)-6-methoxy-9,10-anthracenedione/ M.W. 386,41 g/mol 
Please inquire!     
LS-1081  Bafilomycin A1
Bafilomycin A1, 95%/ M.W. 622,85 g/mol / [88899-55-2] 
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LS-1082  Bafilomycin B1
Bafilomycin B1, 95%/ M.W. 816,01 g/mol / [88899-56-3] 
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LS-1083  Bafilomycin B2
Bafilomycin B2, 95%/ M.W. 830,03 g/mol / [88907-48-6] 
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LS-1080  Barbaloin
10-Glucopyranosyl-1,8-dihydro-3-(hydroxymethyl)-9-anthracenone, (10S)-beta-D-Glucopyranoside-aloe, Aloin A, Aloe-Emodin, Moquizone/ M.W. 418,39 g/mol / [5133-19-7] 
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LS-1070  D-Biotin
Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid, Vitamin H/ M.W. 244,31 g/mol / [58-85-5] 
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LS-1102  Bisdechlorogeodin
Spiro(benzofuran-2(3H),1‘-(2,5)cyclohexadiene)-2‘-carboxylic acid, 4-hydroxy-6‘-methoxy-6-methyl-3,4‘-dioxo-, methyl ester, antibiotic C3368-A, bis-dechlorogeodin, C3368-A, a fungus-derived nucleoside transport inhibitor/ M.W. 330,3 g/mol / [3209-31-2] 
Please inquire!     
LS-1013  Bleomycin Sulfate
Bleomycin Sulfate, Blenoxane/ M.W. 1415,58*97,07 g/mol / [9041-93-4] 
Please inquire!     
LS-1014  Brefeldin A
(+)-Brefeldin A, Ascotoxin, Cyanein, Decumbin, Nectrolide, Synergisidin/ M.W. 280,36 g/mol / [20350-15-6] 
Please inquire!     
LS-1198  Brefeldin C
Brefeldin C/ M.W. 264,36 g/mol / [73899-78-2] 
Please inquire!     
LS-1193  Caerulomycin A
Caerulomycin, Cerulomycin/ M.W. 229,23 g/mol / [21802-37-9] 
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LS-1213  L-Carnosine
beta-Alanyl-L-histidine, 98%/ M.W. 226,23 g/mol / [305-84-0] 
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LS-1196  Catechin
(2S,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-pyran-3,5,7-triol, 3,3‘,4‘,5,7-Pentahydroxyflavan, (-)-Cyanidanol-3/ M.W. 306,27 g/mol / [18829-70-4] 
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LS-1072  Cefoxitin Na
Cefoxitin Sodium/ M.W. 449,44 g/mol / [33564-30-6] 
Please inquire!     
LS-1015  Cefpodoxime Proxetil
Cefpodoxime Proxetil, Vantin, (RS)-1(isopropoxycarbonyloxy)ethyI (+)-(6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-{(Z)methoxyimino}acetamido]-3-methoxymethyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate/ M.W. 557,6 g/mol / [87239-81-4] 
Please inquire!     
LS-1104  Cerevisterol
Cerevisterol/ M.W. 430,68 g/mol / [516-37-0] 
Please inquire!     
LS-1016  Cerulenin
Cerulenin/ M.W. 223,26 g/mol / [17397-89-6] 
Please inquire!     
LS-1106  Chaetoglobosin
Chaetoglobosin A, B, C, D, E, F, K, Q, R, T/ M.W. 530,67 g/mol / [50335-03-0] 
Please inquire!     
LS-1017  Chelerythrin Cl
Chelerythrin Chloride/ M.W. 383,8 g/mol / [3895-92-9] 
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LS-1108  Chetomin
Chaetomin / M.W. 710,88 g/mol / [1403-36-7] 
Please inquire!     
LS-1109  Chlamydocin
Chlamydocin/ M.W. 526,64 g/mol / [53342-16-8] 
Please inquire!     
LS-1110  Chlorogentisyl alcohol
Amudol/ M.W. 174,58 g/mol 
Please inquire!     
LS-1310  Chlorotoxin
From Egyptian scorpion: [Cys2-Cys19, Cys5-Cys28, Cys16-Cys33, Cys20-Cys35] H-Met-Cys-Met-Pro-Cys-Phe-Thr-Thr-Asp-His-Gln-Met-Ala-Arg-Lys-Cys-Asp-Asp-Cys-Cys-Gly-Gly-Lys-Gly-Arg-Gly-Lys-Cys-Tyr-Gly-Pro-Gln-Cys-Leu-Cys-Arg-NH2/ M.W. 3995,77 g/mol 

Chlorotoxin is a chloride channel blocker which has been isolated from the venom of the scorpion Leiurus quinquestriatus. It has been shown to specifically bind to glioma cells and to inhibit their invasive potential. The toxin has recently been reported to bind to a protein complex on the surface of glioma cells containing several proteins implicated in glioma cell invasion. Gelatinase A (matrix metalloproteinase-2 (MMP2)) is one of the components present in this complex. The anti-invasive effect of chlorotoxin seems to be mediated by binding to and direct inhibition of gelatinase A, and its surface down-regulation.
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LS-1018  Chromomycin A3
Toyomycin/ M.W. 1183,3 g/mol / [7059-24-7] 
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LS-1019  Citrinin
Antimycin, Citrinin/ M.W. 250,25 g/mol / [518-75-2] 
Please inquire!     
LS-1111  Clonostachydiol
Clonostachydiol/ M.W. 284,31 g/mol / [147317-35-9] 
Please inquire!     
LS-1400  alpha-Conotoxin AuIB
Conus venum: [Cys2-Cys8, Cys3-Cys15] H2N-Gly-Cys-Cys-Ser-Tyr-Pro-Pro-Cys-Phe-Ala-Thr-Asn-Pro-Asp-Cys-NH2/ M.W. 1572,8 g/mol 
Please inquire!     
LS-1480  alpha-Conotoxin BuIA
Conus venum: [Cys2-Cys8, Cys3-Cys13] H2N-Gly-Cys-Cys-Ser-Thr-Pro-Pro-Cys-Ala-Val-Leu-Tyr-Cys-NH2/ M.W. 1311,61 g/mol 
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LS-1470  alpha-Conotoxin GI
Conus venum: [Cys2-Cys7, Cys3-Cys13] H2N-Glu-Cys-Cys-Asn-Pro-Ala-Cys-Gly-Arg-His-Tyr-Ser-Cys-NH2/ M.W. 1437,65 g/mol 
Please inquire!     
LS-1430  alpha-Conotoxin ImI
Conus venum: [Cys2-Cys8, Cys3-Cys12] H2N-Gly-Cys-Cys-Ser-Asp-Pro-Arg-Cys-Ala-Trp-Arg-Cys-NH2/ M.W. 1351,6 g/mol 
Please inquire!     
LS-1440  alpha-Conotoxin ImII
Conus venum: [Cys2-Cys8, Cys3-Cys12] H2N-Ala-Cys-Cys-Ser-Asp-Arg-Arg-Cys-Arg-Trp-Arg-Cys-NH2/ M.W. 1509,81 g/mol 
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LS-1390  alpha-Conotoxin MI
Conus venum: [Cys3-Cys8, Cys4-Cys14] H2N-Gly-Arg-Cys-Cys-His-Pro-Ala-Cys-Gly-Lys-Asn-Tyr-Ser-Cys-NH2/ M.W. 1493,76 g/mol 
Please inquire!     
LS-1410  alpha-Conotoxin MII
Conus venum: [Cys2-Cys3, Cys4-Cys16] H2N-Gly-Cys-Cys-Ser-Asn-Pro-Val-Cys-His-Leu-Glu-His-Ser-Asn-Leu-Cys-NH2/ M.W. 1710,98 g/mol 
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LS-1420  alpha-Conotoxin PIA
Conus venum: [Cys4-Cys10, Cys5-Cys18] H2N-Arg-Asp-Pro-Cys-Cys-Ser-Asn-Pro-Val-Cys-Thr-Val-His-Asn-Pro-Gln-Ile-Cys-NH2/ M.W. 1981,31 g/mol 
Please inquire!     
LS-1450  alpha-Conotoxin PnIA
Conus venum: [Cys2-Cys8, Cys3-Cys16] H2N-Gly-Cys-Cys-Ser-Leu-Pro-Pro-Cys-Ala-Ala-Asn-Asn-Pro-Asp-Tyr-Cys-NH2/ M.W. 1622,86 g/mol 
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LS-1460  alpha-Conotoxin PnIB
Conus venum: [Cys2-Cys8, Cys3-Cys16] H2N-Gly-Cys-Cys-Ser-Leu-Pro-Pro-Cys-Ala-Leu-Ser-Asn-Pro-Asp-Tyr-Cys-NH2/ M.W. 1637,92 g/mol 
Please inquire!     
LS-1290  omega-Conotoxin MVIIC
Conus venum: [Cys1-Cys16, Cys8-Cys20, Cys15-Cys26] H-Cys-Lys-Gly-Lys-Gly-Ala-Pro-Cys-Arg-Lys-Thr-Met-Tyr-Asp-Cys-Cys-Ser-Gly-Ser-Cys-Gly-Arg-Arg-Gly-Lys-Cys-NH2/ M.W. 2749,29 g/mol 

Omega-CgTx-MVIIC inhibits presynaptic Ca2+ channels, including the Ca2+ channels responsible for Ca2+ uptake by rat brain synaptosomes, the P-type Ca2+ channels in cerebella Purkinje cells, and a significant fraction of Omega-CgTx-GVIA-resistant currents in hippocampal CA1 neurons. Omega-CgTx-MVIIC also presents an inhibition of Omega-CgTx-GVIA-resistant depolarization-induced neurotransmitter release in cerebella neurons of rats.
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LS-1113  Cordyanhydride B
Cordyanhydride B/ M.W. 556,56 g/mol / [241131-42-0] 
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LS-1114  Cycloaspeptide A
Cycloaspeptide A/ M.W. 641,76 g/mol / [691363-62-9] 
Please inquire!     
LS-1020  Cyclopiazonic Acid
Cyclopiazonic Acid/ M.W. 336,39 g/mol / [18172-33-3] 
Please inquire!     
LS-1021  Cyclosporin A
Cyclosporin A/ M.W. 1202,6 g/mol / [59865-13-3] 
Please inquire!     
LS-1073  Cyclosporin H
Cyclosporin H/ M.W. 1202,6 g/mol / [83602-39-5] 
Please inquire!     
LS-1022  Cytochalasin A
Cytochalasin A/ M.W. 477,61 g/mol / [14110-64-6] 
Please inquire!     
LS-1023  Cytochalasin B
Cytochalasin B/ M.W. 479,62 g/mol / [14930-96-2] 
Please inquire!     
LS-1024  Cytochalasin C
Cytochalasin C/ M.W. 507,63 g/mol / [22144-76-9] 
Please inquire!     
LS-1025  Cytochalasin D
Cytochalasin D, Zygosporin A/ M.W. 507,63 g/mol / [22144-77-0] 
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LS-1026  Cytochalasin E
Cytochalasin E/ M.W. 495,58 g/mol / [36011-19-5] 
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LS-1115  Cytochalasin F
Cytochalasin F/ M.W. 479,62 g/mol / [36084-18-1] 
Please inquire!     
LS-1116  Cytochalasin T
Cytochalasin T/ M.W. 463,61 g/mol 
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LS-1203  Dasatinib
N-(2-chloro-6-methylphenyl)-2-(6-(4-(2-hydroxyethyl)piperazin-1-yl)-2-methylpyrimidin-4-ylamino)thiazole-5-carboxamide/ M.W. 488,01 g/mol / [302962-49-8] 
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LS-1117  Decarestrictine A1
SM-140-A1/ M.W. 198,22 g/mol / [127393-90-2] 
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LS-1091  alpha,beta-Dehydrocurvularin
4,5,6,7-Tetrahydro-11,13-dihydroxy-4-methyl-2H-3- benzoxacyclododecin-2,10-(1H)-dione/ M.W. 290,32 g/mol / [21178-57-4] 
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LS-1201  Deoxynivalenol
Deoxynivalenol, Vomitoxin/ M.W. 296,32 g/mol / [51481-10-8] 
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LS-1118  Destruxin CHL
Destruxin chlorhydrin, SB-242543/ M.W. 630,17 g/mol / [121723-07-7] 
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LS-1088  3,5-Diacetoxyscirpenol
Anguidine, NSC 141537/ M.W. 366,41 g/mol / [2270-40-8] 
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LS-1089  3,5-Dichloroasterric acid
3,5-Dichloroasterric acid/ M.W. 431,22 g/mol 
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LS-1076  Dihydrocytochalasin B
Dihydrocytochalasin B/ M.W. 481,62 g/mol / [39156-67-7] 
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LS-1120  Dihydrosorbicillin
Dihydrosorbicillin/ M.W. 234,29 g/mol / [79950-82-6] 
Please inquire!     
LS-1260  Echinomycin
Quninomycin A, isolated from Streptomyces sp. MST-AS5446/ M.W. 1101,26 g/mol / [512-64-1] 
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LS-1121  Echinulin
Echinulin/ M.W. 461,64 g/mol / [1859-87-6] 
Please inquire!     
LS-1122  Emodin
9,10-Anthracenedione, 1,3,8-trihydroxy-6-methyl-, Aloe Emodin, Frangula Emodin, Rheum Emodin/ M.W. 270,24 g/mol / [518- 82-1] 
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LS-1125  Epiepoformin
Epiepoformin/ M.W. 140,14 g/mol / [67772-77-4] 
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LS-1128  Ergosterol
(3beta,22E)-Ergosta-5,7,22-trien-3-ol/ M.W. 396,66 g/mol / [57-87-4] 
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LS-1127  Ergosteryl-3-O-beta-D-glucopyranoside
Ergosteryl-3-O-beta-D-glucopyranoside/ M.W. 558,79 g/mol 
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LS-1350  Ergtoxin
From Mexican scorpion Centruroides noxius: [Cys5-Cys23, Cys11-Cys34, Cys20-Cys24, Cys23-Cys41] H-Asp-Arg-Asp-Ser-Cys-Val-Asp-Lys-Ser-Arg-Cys-Ala-Lys-Tyr-Gly-Tyr-Tyr-Gln-Glu-Cys-Gln-Asp-Cys-Cys-Lys-Asn-Ala-Gly-His-Asn-Gly-Gly-Thr-Cys-Met-Phe-Phe-Lys-Cys-Lys-Cys-Ala-OH/ M.W. 4730,4 g/mol 

Blocks specifically the HERG potassium channel with an affinity close to 10 nM.
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LS-1129  Eupenifeldin
Eupenifeldin / [151803-45-1] 
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LS-1209  5-FOA
5-Fluoroorotic acid, 98%/ M.W. 174,09 g/mol / [703-95-7] 
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LS-1027  Forskolin
Forskolin, Colforsin, Coleonol/ M.W. 410,51 g/mol / [66575-29-9] 
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LS-1028  Fumagillin
(3R-(3alpha,4alpha(2R*,3R*) ,5beta,6beta(all-E-)))-2,4,6,8-Decatetraenedioic acid mono(5-methoxy-4-(2-methyl-3-(3-methyl-2-butenyl)oxiranyl)-1-oxaspiro(2.5)oct-6-yl) ester/ M.W. 458,6 g/mol / [23110-15-8] 
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LS-1029  Fumonisin B1
1,2,3-Propanetricarboxylic acid, 1,1´-[1-(12-amino-4,9,11-trihydroxy-2-methyl-tridecyl)-2-(1-methylpentyl)-1,2-ethane-diyl]ester, Macrofusine/ M.W. 721,85 g/mol / [116355-83-0] 
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LS-1030  Fumonisin B2
1,2,3-Propanetricarboxylic acid, 1,1´-[1-(12-amino-4,11-dihydroxy-2-methyl-tridecyl)-2-(1-methylpentyl)-1,2-ethane-diyl]ester/ M.W. 705,85 g/mol / [116355-84-1] 
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LS-1074  Fumonisin B3
1,2,3-Propanetricarboxylic acid, 1,1´-[1-(12-amino-9,11-dihydroxy-2-methyl-tridecyl)-2-(1-methylpentyl)-1,2-ethane-diyl]ester/ M.W. 705,85 g/mol / [136379-59-4] 
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LS-1131  Fungerin
Fungerin/ M.W. 234,29 g/mol / [185681-81-6] 
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LS-1133  Fusidic Acid
(3alpha,4alpha,8alpha,9beta,11alpha,13alpha,14beta,16beta,17Z)-16-(acetyloxy)-3,11-dihydroxy-29-Nordammara-17(20),24-dien-21-oic acid/ M.W. 516,72 g/mol / [6990-06-3] 
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LS-1031  Geldanamycin
[(8Z,12Z,14Z)-6-hydroxy-5,11,21-trimethoxy-3,7,9,15-tetramethyl-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,18-pentaen-10-yl] carbamate/ M.W. 560,65 g/mol / [30562-34-6] 
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LS-1000  17-AAG
17-(Allylamino)-17-demethoxygeldanamycin/ M.W. 585,7 g/mol / [75747-14-7] 
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LS-1032  Genistein
4‘,5,7-Trihydroxyisoflavone/ M.W. 270,24 g/mol / [446-72-0] 
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LS-1204  Gentisyl alcohol
2,5-Dihydroxybenzyl alcohol, Hydroxymethyl-hydrochinone/ M.W. 140,14 g/mol / [495-08-9] 
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LS-1134  Geodin
Estin, (+)-5,7-dichloro-4-hydroxy-6‘-methoxy-6-methyl-3,4‘-dioxo-spiro[benzofuran-2(3H),1‘-[2,5]cyclohexadiene]-2‘-carboxylic acid methyl ester/ M.W. 399,19 g/mol / [427-63-4] 
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LS-1215  Gibberellic acid
Gibberellic acid GA3, >90%/ M.W. 346,38 g/mol / [77-06-5] 
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LS-1202  Gliotoxin
Gliotoxin/ M.W. 326,39 g/mol / [67-99-2] 
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LS-1135  Gliovictin
Gliovictin/ M.W. 354,49 g/mol / [52080-06-5] 
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LS-1136  Gliovirin
(1aS-(1aalpha,4beta,4abeta,8alpha,9beta,11aalpha,12aR*))-4,4a,8,9-tetrahydro-4-hydroxy-9-(2-hydroxy-3,4-dimethoxyphenyl)-12H-8,11-(Iminomethano)-1aH,7H-(1,2,4)dithiazepino(4,3-b)oxireno(e)(1,2)benzoxazine-7,13-dione/ M.W. 480,52 g/mol / [83912-90-7] 
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LS-1137  Gregatin C
Gregatin C/ M.W. 294,34 g/mol / [58845-81-1] 
Please inquire!     
LS-1138  Griseofulvin
7-Chloro-2‘,4,6-trimethoxy-6‘-methyl-, (1‘S-trans)-Spiro(benzofuran-2(3H),1‘-(2)cyclohexene)-3,4‘-dione/ M.W. 352,77 g/mol / [126-07-8] 
Please inquire!     
LS-1139  Herbarin
Dehydroherbarin/ M.W. 304,3 g/mol / [36379-67-6] 
Please inquire!     
LS-1330  HsTx 1
From Scorpion Heterometrus spinnifer: [Cys3-Cys24, Cys9-Cys29, Cys13-Cys31, Cys19-Cys34] H-Ala-Ser-Cys-Arg-Thr-Pro-Lys-Asp-Cys-Ala-Asp-Pro-Cys-Arg-Lys-Glu-Thr-Gly-Cys-Pro-Tyr-Gly-Lys-Cys-Met-Asn-Arg-Lys-Cys-Lys-Cys-Asn-Arg-Cys-NH2/ M.W. 4167,8 g/mol 

HsTx 1 is a member of the a-KTx6 family of toxins active on voltage-gated K+ channels. It is one of the most potent toxins active on Kv1.3 channels (Kd close to 10 pM). It is also very active on Kv1.2 channels (Kd around 7 nM). It is, however, inactive on apamin-sensitive SK channels.
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LS-1141  Hyalodendrin
1-(hydroxymethyl)-5,7-dimethyl-4-(phenylmethyl)- 2,3-dithia-5,7-diazabicyclo(2.2.2)octane-6,8-dione, (-)-isomer of hyalodendrin 2-benzyl-1,4-dimethyl-5-hydroxymethyl--2,5-epi-dithia-3,6-diketopiperazine, A 26771 A/ M.W. 324,42 g/mol / [51920-94-6] 
Please inquire!     
LS-1090  3-Hydroxyterphenyllin
3‘,6‘-dimethoxy-(1,1‘:4‘,1‘‘-terphenyl)- 2‘,3,4,4‘‘-tetrol/ M.W. 354,36 g/mol / [66163-76-6] 
Please inquire!     
LS-1033  Hypericin
Hypericin, Cyclo-Werrol/ M.W. 504,43 g/mol / [548-04-9] 
Please inquire!     
LS-1194  Ikarugamycin
Tu-6239 C3/ M.W. 478,62 g/mol / [36531-78-9] 
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LS-1142  Ilicicolin F
LL-Z 1272z/ M.W. 462,96 g/mol / [22738-98-3] 
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LS-1077  Ionomycin (Ca)
Ionomycin Calcium salt/ M.W. 747,07 g/mol / [56092-82-1] 
Please inquire!     
LS-1143  Isariin
(R)-N-(N-(N-(N-(N-(3-hydroxy-1-oxododecyl)glycyl)-L-valyl)-D-leucyl)-L-alanyl)-L-Valine rho-lactone, Isariin B, Isariin C, Isariin D, Isarolide/ M.W. 623,84 g/mol / [10409-85-5] 
Please inquire!     
LS-1034  K-252a
K-252a/ M.W. 467,49 g/mol / [97161-97-2] 
Please inquire!     
LS-1035  K-252b
K-252b/ M.W. 453,46 g/mol / [99570-78-2] 
Please inquire!     
LS-1085  K-252c
K-252c/ M.W. 311,34 g/mol / [85753-43-1] 
Please inquire!     
LS-1036  KT5720
KT5720/ M.W. 537,62 g/mol / [108068-98-0] 
Please inquire!     
LS-1037  KT5823
KT5823/ M.W. 495,54 g/mol / [126643-37-6] 
Please inquire!     
LS-1320  Leiurotoxin 1
Scyllatoxin, From Israeli scorpion Leiurus quinquestriatus hebraeus: [Cys3-Cys21, Cys8-Cys26, Cys12-Cys28] H-Ala-Phe-Cys-Asn-Leu-Arg-Met-Cys-Gln-Leu-Ser-Cys-Arg-Ser-Leu-Gly-Leu-Leu-Gly-Lys-Cys-Ile-Gly-Asp-Lys-Cys-Glu-Cys-Val-Lys-His-NH2/ M.W. 3423,14 g/mol / [116235-63-3] 

Scyllatoxin is a component of the venom of the Israeli scorpion Leiurus quinquestriatus hebraeus and has been reported to inhibit apamin binding to its receptor. Like apamin, it acts as a blocker of Ca2+ activated K+ channels in different cell types.
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LS-1086  Leptomycin B
CI-940, Elactocin, PD 114720, ATS 1287B, Mantuamycin, 19-(3,6-dihydro-3-methyl-6-oxo-2H-pyran-2-yl)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-8-oxo-2,10,12,16,18-Nonadecapentaenoic acid/ M.W. 540,75 g/mol / [87081-35-4] 
Please inquire!     
LS-1147  LL-49F233a
LL-49F233a/ M.W. 413,55 g/mol 
Please inquire!     
LS-1207  L-Luciferin*K
(L)-4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid, Firefly, potassium salt/ M.W. 318,42 g/mol 
Add
LS-1205  D-Luciferin
(D)-4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid, Firefly (synthetic), 99%/ M.W. 280,33 g/mol / [2591-17-5] 
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LS-1206  D-Luciferin*K
(D)-4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid, Firefly, potassium salt/ M.W. 318,42 g/mol / [115144-35-9] 
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LS-1148  LL-Z-1640-2
LL-Z-1640-2/ M.W. 362,37 g/mol / [66018-38-0] 
Please inquire!     
LS-1038  Lovastatin
Lovastatin, Mevinolin/ M.W. 404,55 g/mol / [75330-75-5] 
Please inquire!     
LS-1149  Malformins
cyclic(D-cysteinyl-d-cysteinyl-L-valyl- D-leucyl-L-isoleucyl)cyclic(1-2)-disulfide, cyclic(Cys-Cys-Val-Leu-Ile)cyclic(1-2)-disulfide, Malformin A, Malformins, (5-L-Leu)-isomer/ M.W. 529,73 g/mol / [3022-92-2] 
Please inquire!     
LS-1340  Maurocalcine
From Scorpion Scorpio Maurus palmatus: [Cys3-Cys17, Cys10-Cys21, Cys16-Cys32] H-Gly-Asp-Cys-Leu-Pro-His-Leu-Lys-Leu-Cys-Lys-Glu-Asn-Lys-Asp-Cys-Cys-Ser-Lys-Lys-Cys-Lys-Arg-ArgGly-Thr-Asn-Ile-Glu-Lys-Arg-Cys-Arg-OH/ M.W. 3858,5 g/mol 

Maurocalcine is a component of the venom of Scorpio maurus palmatus. It folds according to an inhibitor cysteine knot. It is a new member of the family of toxins acting on ryanodine receptors with an affinity in the 10 nM range. It induces an increase in channel opening probability accompanied with sudden transitions to long lasting subconductance states. It has also been characterized as a cell penetrating peptide and its pharmacological activity can be observed upon extracellular perfusion.
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LS-1300  Maurotoxin
From Scorpion Scorpio Maurus palmatus: H-Val-Ser-Cys-Thr-Gly-Ser-Lys-Asp-Cys-Tyr-Ala-Pro-Cys-Arg-Lys-Gln-Thr-Gly-Cys-Pro-Asn-Ala-Lys-Cys-Ile-Asn-Lys-Ser-Cys-Lys-Cys-Tyr-Gly-Cys-OH/ M.W. 3613 g/mol 

A member of the a-KTx6.2 scorpion toxin family. It blocks voltage-gated potassium channels (KV1.1/KCNA1, KV1.2/KCNA2, and KV1.3/KCNA3) and inhibits apamin-sensitive small conductance calcium-activated channels (SK channels), particularly KCa3.1(IKca1, SK4).
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LS-1087  Methoxatin
PQQ Cofactor, Pyrroloquinoline quinone, 4,5-Dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid/ M.W. 330,21 g/mol / [72909-34-3] 
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LS-1040  Mithramycin
Mithramycin, Aureolic acid, Plicamycin/ M.W. 1085,17 g/mol / [18378-89-7] 
Please inquire!     
LS-1041  Mitomycin C
Mitomycin C, Mutamycin, Ametycin, Mitocin-C/ M.W. 334,33 g/mol / [50-07-7] 
Please inquire!     
LS-1041a  Mitomycin C/NaCl
Mitomycin C (4% in NaCl)/ M.W. 334,33 g/mol / [50-07-7/NaCl] 
Please inquire!     
LS-1151  Mollicellin D
Mollicellin D/ M.W. 404,84 g/mol / [68455-11-8] 
Please inquire!     
LS-1153  Monocerin
Monocerin/ M.W. 308,33 g/mol / [30270-60-1] 
Please inquire!     
LS-1154  Mucidin
(E,E,E)-2-(methoxymethylene)-3-methyl-6-phenyl-3,5-Hexadienoic acid methyl ester, Mucidermin, Strobilurin A/ M.W. 258,32 g/mol / [52110-55-1] 
Please inquire!     
LS-1042  Mycophenolic acid
Mycophenolic acid/ M.W. 320,35 g/mol / [24280-93-1] 
Please inquire!     
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LS-1155  Neoechinulin
Neoechinulin/ M.W. 391,47 g/mol / [25644-25-1] 
Please inquire!     
LS-1156  Neosartorin
Neosartorin/ M.W. 680,61 g/mol / [212709-11-0] 
Please inquire!     
LS-1043  Netilmycin Sulphate
O-3-Deoxy-4-C-methyl-3-methylamino-ss-L-arabinopyranosyl-(1->6)-O-[2, 6-diamino-4,5-dehydro-2,3,4,6-tetradeoxy-a-D-glycero-hexopyranosyl-(1->4)]-2-deoxy-1-N-ethyl-D-streptamine hemiheptasulfate/ M.W. 720,78 g/mol / [56391-57-2] 
Please inquire!     
LS-1044  Nigericin
Polyetherin A, Azalomycin M, Helixin C, Antibiotic K178, Antibiotic X-464/ M.W. 746,97 g/mol / [28643-80-3] 
Please inquire!     
LS-1078  Nonactin
Nonactin, Amonium Ionophore, Werramycin A, Polynactin/ M.W. 736,93 g/mol / [6833-84-7] 
Please inquire!     
LS-1045  Ochratoxin A
Ochratoxin A/ M.W. 403,8 g/mol / [303-47-9] 
Please inquire!     
LS-1046  Oligomycin
Oligomycin/ M.W. 791,08 g/mol / [1404-19-9] 
Please inquire!     
LS-1158  Ophiobolin H
Ophiobolin H/ M.W. 386,57 g/mol / [90108-64-8] 
Please inquire!     
LS-1047  Paclitaxel
Paclitaxel, Taxol/ M.W. 853,93 g/mol / [33069-62-4] 
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LS-1048  Parthenolide
Parthenolide/ M.W. 248,32 g/mol / [20554-84-1] 
Please inquire!     
LS-1049  Patulin
Patulin/ M.W. 154,12 g/mol / [149-29-1] 
Please inquire!     
LS-1050  Paxilline
Paxilline/ M.W. 435,57 g/mol / [57186-25-1] 
Please inquire!     
LS-1051  Penicillic acid
Penicillic acid/ M.W. 170,17 g/mol / [90-65-3] 
Please inquire!     
LS-1052  Penitrem A
Penitrem A/ M.W. 633,22 g/mol / [12627-35-9] 
Please inquire!     
LS-1161  Periconicin B
Periconicin B/ M.W. 332,43 g/mol 
Please inquire!     
LS-1162  Pericosine A
Pericosine A/ M.W. 222,62 g/mol / [200335-68-8] 
Please inquire!     
LS-1163  Phomalactone
Phomalactone/ M.W. 154,16 g/mol / [28921-94-0] 
Please inquire!     
LS-1164  Phomenone
Phomenone/ M.W. 264,32 g/mol / [55785-58-5] 
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LS-1165  Preussomerin I
3‘-O-demethylpreussomerin I/ M.W. 394,34 g/mol / [158204-29-6] 
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LS-1053  Puromycin 2HCl
Puromycin, 3‘-[[2-Amino-3-(4-methoxyphenyl)-1-oxopropyl]amino]-3‘-deoxy-N,N-dimethyladenosine dihydrochloride/ M.W. 471,52 * 72,92 g/mol / [58-58-2] 
Please inquire!     
LS-1054  Puromycin Aminonucleoside
Puromycin Aminonucleoside, 6-Dimethylamin-9-[3‘-amino-3‘deoxyribosyl]-purine/ M.W. 294,32 g/mol / [58-60-6] 
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LS-1103  Pyridoxatin
BX-86/ M.W. 263,33 g/mol / [149196-98-5] 
Please inquire!     
LS-1055  Radicicol
5-chloro-6-(7,8-epoxy-10-hydroxy-2-oxo-3,5-undecadienyl)-beta-resorcylic acid mu-lactone, KF58332, KF9-A, Monorden, Radisicol, Monorodene, RHI-12648, FO-4910/ M.W. 364,78 g/mol / [12772-57-5] 
Please inquire!     
LS-1056  Rapamycin
Rapamycin, RAPA, Rapamune, Sirolimus, RPM/ M.W. 914,2 g/mol / [53123-88-9] 
Please inquire!     
LS-1199  Rebeccamycin
Rebeccamycin/ M.W. 570,38 g/mol / [93908-02-2] 
Please inquire!     
LS-1167  Roquefortine
10b-(1,1-dimethyl-2-propenyl)-6,10b,11,11a-tetrahydro-3-(1H-imidazol-4-ylmethylene)-2H-pyrazino(1‘,2‘:1,5)pyrrolo(2,3-b)indole-1,4(3H,5aH)-dione, Isoroquefortine C, Roquefortin, Roquefortine C/ M.W. 389,46 g/mol / [58735-64 -1] 
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LS-1168  Roridin A
Roridin A, Roridin C/ M.W. 532,64 g/mol / [14729-29-4] 
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LS-1169  Roridin E
Roridin E / M.W. 514,62 g/mol / [16891-85-3] 
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LS-1170  Roseotoxin
Cyclo[2-Hydroxy-4-methyl-pentanoic acid-3-methyl-prolin-Isoleucine-N-methyl-Valine-N-methyl-Alanine-beta-Alanine]/ M.W. 608,4 g/mol / [55466-29-0] 
Please inquire!     
LS-1071  Rottlerin
Mallotoxin/ M.W. 516,54 g/mol / [82-08-6] 
Please inquire!     
LS-1171  Rugulosin
(+)-Rugulosin, (1S,1‘S,2R,2‘R,3S,3‘S,9aR,9‘aR)-Rugulosin, (2R,2‘R)-Rugulosin/ M.W. 542,5 g/mol / [23537-16-8] 
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LS-1172  Rumbrin
(Z,E,E,E)-6-(8-(3-chloro-1H-pyrrol-2-yl)-1-methyl-1,3,5,7-octatetraenyl)-4-methoxy-3-methyl-2H-pyran-2-one/ M.W. 359,86 g/mol / [150206-14-7] 
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LS-1360  Sarafotoxin 6C
From Israeli snake Atractaspis engaddensis: [Cys1-Cys15, Cys3-Cys11] H-Cys-Thr-Cys-Asn-Asp-Met-Thr-Asp-Glu-Glu-Cys-Leu-Asn-Phe-Cys-His-Gln-Asp-Val-Ile-Trp-OH/ M.W. 2515,79 g/mol 

Sarafotoxins have been purified and sequenced from the venom of the Israeli snake Atractaspis engaddensis. The sarafotoxins, which cause severe coronary vasospasm in snakebite victims, exhibit a remarkable structural and functional homology to the endothelin family. They bind with high affinity to rat arterial and brain membranes and induce the hydrolysis of phosphoinositides in these tissues.
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LS-1173  Sclerotiorin
(S-(R*,R*-(E,E)))-Sclerotiorin/ M.W. 390,87 g/mol / [549-23-5] 
Please inquire!     
LS-1174  Sesquicillin
Sesquicillin/ M.W. 470,64 g/mol / [51103-58-3] 
Please inquire!     
LS-1150  Shikimic acid methyl ester
(3R-(3alpha,4alpha,5beta))-3,4,5-trihydroxy-1-Cyclohexene-1-carboxylic acid methyl ester/ M.W. 188,18 g/mol 
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LS-1057  Simvastatin
2,2-Dimethlbutanoic acid 1,2,3,7,8,8a-hexahydro-3,7-dimethl-8-[2-tetrahyddro-4-hydroxy-2-oxo-2H-pydran-yl]-1-naphthalenyl ester/ M.W. 418,57 g/mol / [79902-63-9] 
Please inquire!     
LS-1059  Sisomicin Sulfate
O-3-Deoxy-4-C-methyl-3-methylamino-ss-L-arabinopyranosyl-(1->6)-O-[2, 6-diamino-4, 5-dehydro-2,3,4,6-tetradeoxy-a-D-glycero-hexopyranosyl-(1->4)]-2-deoxy-D-streptamine hemiheptasulfate/ M.W. 692,73 g/mol / [53179-09-2] 
Please inquire!     
LS-1175  Soyasaponin III
Soyasaponin III/ M.W. 795,03 g/mol / [55304-02-4] 
Please inquire!     
LS-1208  Spermidine
1,8-Diamino-4-azaoctane, N-(3-Aminopropyl)-1,4-diaminobutane, 99%/ M.W. 145,25 g/mol / [124-20-9] 
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LS-1214  Spermidine phosphate hexahydrate
Bis-[N-(3-Aminopropyl)-1,4-diamino-butane]-tris-phosphate hexahydrate, 98%/ M.W. 692,58 g/mol / [23273-82-7] 
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LS-1216  Spermine
N,N‘-Bis(3-aminopropyl)-1,4-diaminobutane, Gerontine, Musculamine, Neuridine, 99%/ M.W. 202,34 g/mol / [71-44-3] 
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LS-1177  SS-19508B
SS-19508B/ M.W. 364,73 g/mol / [102580-39-2] 
Please inquire!     
LS-1061  Staurosporine
Staurosporine, Antibiotic AM-2282/ M.W. 466,54 g/mol / [62996-74-1] 
Please inquire!     
LS-1062  Sterigmatocystine
Sterigmatocystine/ M.W. 324,29 g/mol / [10048-13-2] 
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LS-1178  Strobilurin G
6-(3,4-dihydro-4,4-dimethyl-3-((3-methyl-2-butenyl)oxy)-2H-1,5-benzodioxepin-7-yl)-2-(methoxymethylene)-3-methyl-, 3,5-Hexadienoic acid methyl ester/ M.W. 442,56 g/mol / [129145-64-8] 
Please inquire!     
LS-1063  T2 Toxin
(3-alpha, 4-beta, 8-alpha)-Trichothec-9-ene-3,4,8,15-tetrol,12,13-epoxy-, 4,15-diacetate 8-(3-methylbutanoate), Mycotoxin Trichothecene 2, Fusariotoxin/ M.W. 466,53 g/mol / [21259-20-1] 
Please inquire!     
LS-1179  Tan 1142
Tan 1142/ M.W. 530,66 g/mol / [147527-33-1] 
Please inquire!     
LS-1182  Terpendole C
FO-2546-B/ M.W. 519,67 g/mol / [164323-42-6] 
Please inquire!     
LS-1183  Terphenyllin
Terphenyllin/ M.W. 338,36 g/mol / [52452-60-5] 
Please inquire!     
LS-1064  Thapsigargin
Thapsigargin/ M.W. 650,77 g/mol / [67526-95-8] 
Please inquire!     
LS-1184  Trichodimerol
BMS-182123/ M.W. 496,55 g/mol / [145174-90-9] 
Please inquire!     
LS-1065  Trichostatin A
Trichostatin A/ M.W. 302,38 g/mol / [58880-19-6] 
Please inquire!     
LS-1066  Tunicamycin
Tunicamycin (n= 8,9,10,11)/ M.W. 840 g/mol / [11089-65-9] 
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LS-1079  Valinomycin
Valinomycin/ M.W. 1111,32 g/mol / [2001-95-8] 
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LS-1186  Verrucarin A
Muconomycin A, NSC 126728/ M.W. 502,57 g/mol / [3148-09-2] 
Please inquire!     
LS-1067  Verruculogen
Verruculogen/ M.W. 511,58 g/mol / [12771-72-1] 
Please inquire!     
LS-1187  Verticillin A
Verticillin A/ M.W. 696,84 g/mol / [12795-76-5] 
Please inquire!     
LS-1188  Verticillin C
Verticillin C/ M.W. 744,9 g/mol 
Please inquire!     
LS-1190  Viomellein
8-(3,4-dihydro-9,10-dihydroxy-7-methoxy-3-methyl- 1-oxo-1H-naphtho(2,3-c)pyran-8-yl)-3,4-dihydro-6- hydroxy-9-methoxy-3-methyl-1H-naphtho(1,2-c)pyran- 1,7,10-trione/ M.W. 560,52 g/mol / [55625-78-0] 
Please inquire!     
LS-1068  Wortmannin
Wortmannin/ M.W. 428,44 g/mol / [19545-26-7] 
Please inquire!     
LS-1200  Zatabradine
Zatabradine/ M.W. 442,55 g/mol 
Please inquire!     
LS-1069  Zearalenone
3,4,5,6,9,10-Hexahydro-14,16-dihydroxy-3-methyl-1H-2- benzoxacyclotetradecin-1,7(8H)-dione, FES, Compound F-2, Toxin F2/ M.W. 318,4 g/mol / [17924-92-4] 
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LS-1210  trans-Zeatin Riboside
6-[(E)-4-Hydroxy-3-methylbut-2-enylamino]-9-beta-D-ribofuranosylpurine, 97%/ M.W. 351,37 g/mol / [6025-53-2] 
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