ChemMatrix® Discontinued

ChemMatrix® Discontinued

Published on 18/10/2022

The ChemMatrix® resin production and distribution was discontinued by its manufacturer SEQENS. Products are only available at Iris till current stock is sold out. Read on for more information!

In contrast to the most common resins, which are based on polystyrene, the ChemMatrix® resin is 100% polyethylene glycol based. Thus, the high polarity of the ChemMatrix® resin allowed the use of various polar solvents, e.g. MeOH, MeCN, water, THF, DMF, in which the resin displays excellent swelling properties. As ChemMatrix® resins are discontinued by their manufacturer, in the following, we are highlighting possible alternatives.

TentaGel® resins consist of low cross-linked polystyrene on which polyethylene glycol with a molecular weight of 3000 Da is grafted. The PEG spacer is attached to the polymer matrix via an ether bond, which shows high stability towards acid treatment and minimizes PEG leaching. Besides, TentaGel® resins are pressure stable and can be used in batch processes as well as under continuous flow.

Swelling characteristics of differently functionalized resins.

Through the attachment of polyethylene glycol (PEG) chains to the polystyrene core, the swelling behavior, especially in hydrophilic solvents such as water and methanol, is considerably increased which allows for a broader range of chemistry. Apart from the swelling behavior, the more hydrophilic environment decreases the repulsion of charged organic intermediates formed during reactions. For the base resin, a range of functional groups is available ranging from electrophilic bromine leaving groups to nucleophilic groups like hydroxy, amino, and carboxy functions.

For even higher swelling volumes, we offer TentaGel® XV (XV = extended volume) resins. The high swelling creates an extended reaction space providing ideal conditions for the synthesis of difficult sequences, aggregating peptides, mini proteins and PNAs in high purities and excellent yields.

However, a high resin swelling results in a high consumption of solvents. In case increased solubilizing properties are not required, resins with PEG chains shorter than 3000 Da exhibit sufficient solubilizing property with reduced solvent volume consumption. For such purposes, HypoGel 200 and HypoGel 400 have been developed, containing glycol spacers with only n = 5 or n = 10 units between the reactive sites and the polystyrene matrix.

TentaGel® S and TentaGel® XV are bearing PEG spacers of 3000 Da, with TentaGel® XV being less cross-linked for higher swelling. HypoGel 200 and HypoGel 400 with PEG spacers of 200 (n = 5) and 400 (n = 10) Dalton, respecitively.

Swelling volume of polystyrene and different PEG-grafted polystyrene resins in different solvents.

With these data in hand, we suggest TentaGel® S/XV as well as HypoGel® resins as alternative products for the replacement of the ChemMatrix® resin. Besides, we are currently working on further alternatives. Curious? Stay tuned!

You need more details on TentaGel® and HypoGel® resins? Download our Resin booklet!

Further questions? Contact us!

References:

ChemMatrix® for complex peptides and combinatorial chemistry; Y. García-Ramos, M. Paradís-Bas, J. Tulla-Puche, F. Albericio; J. Pept. Sci. 2010; 16(12): 675-678. https://doi.org/10.1002/psc.1282

W. Karnbrock, M. Deeg, J. Gerhardt, W. Rapp; Molecular Diversity 1998; 4: 165. 

E. Bayer, WM. Dengler, B. Hemmasi; Int. J. Pept. Protein Res. 1985 ; 25: 178. 

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      Fmoc-L-Ile-Trt TG

      Product code: SAL1215

      Particle size : 90 µm

      Starting at $84.00

    115. Structure image for Fmoc-L-Leu-Trt TG
      Fmoc-L-Leu-Trt TG

      Product code: SAL1216

      Particle size : 90 µm

      Starting at $84.00

    116. Structure image for Fmoc-L-Lys(Boc)-Trt TG
      Fmoc-L-Lys(Boc)-Trt TG

      Product code: SAL1217

      Particle size : 90 µm

      Starting at $96.00

    117. Structure image for Fmoc-L-Met-Trt TG
      Fmoc-L-Met-Trt TG

      Product code: SAL1218

      Particle size : 90 µm

      Starting at $84.00

    118. Structure image for Fmoc-L-Nle-Trt TG
      Fmoc-L-Nle-Trt TG

      Product code: SAL1219

      Particle size : 90 µm

      Starting at $96.00

    119. Structure image for Fmoc-L-Orn(Boc)-Trt TG
      Fmoc-L-Orn(Boc)-Trt TG

      Product code: SAL1220

      Particle size : 90 µm

      Starting at $132.00

    120. Structure image for Fmoc-L-Phe-Trt TG
      Fmoc-L-Phe-Trt TG

      Product code: SAL1221

      Particle size : 90 µm

      Starting at $84.00

    121. Structure image for Fmoc-L-Pro-Trt TG
      Fmoc-L-Pro-Trt TG

      Product code: SAL1222

      Particle size : 90 µm

      Starting at $84.00

    122. Structure image for Fmoc-L-Ser(tBu)-Trt TG
      Fmoc-L-Ser(tBu)-Trt TG

      Product code: SAL1223

      Particle size : 90 µm

      Starting at $96.00

    123. Structure image for Fmoc-L-Thr(tBu)-Trt TG
      Fmoc-L-Thr(tBu)-Trt TG

      Product code: SAL1224

      Particle size : 90 µm

      Starting at $96.00

    124. Structure image for Fmoc-L-Tyr(tBu)-Trt TG
      Fmoc-L-Tyr(tBu)-Trt TG

      Product code: SAL1226

      Particle size : 90 µm

      Starting at $96.00

    125. Structure image for Fmoc-L-Val-Trt TG
      Fmoc-L-Val-Trt TG

      Product code: SAL1227

      Particle size : 90 µm

      Starting at $84.00

    126. Structure image for Fmoc-L-Trp(Boc)-Trt TG
      Fmoc-L-Trp(Boc)-Trt TG

      Product code: SAL1228

      Particle size : 90 µm

      Starting at $120.00

    127. Structure image for Fmoc-L-Ala-Wang TG
      Fmoc-L-Ala-Wang TG

      Product code: SAL1301

      Particle size : 90 µm

      Starting at $72.00

    128. Structure image for Fmoc-L-Arg(Pbf)-Wang TG
      Fmoc-L-Arg(Pbf)-Wang TG

      Product code: SAL1302

      Particle size : 90 µm

      Starting at $120.00

    129. Structure image for Fmoc-L-Arg(Pmc)-Wang TG
      Fmoc-L-Arg(Pmc)-Wang TG

      Product code: SAL1303

      Particle size : 90 µm

      Starting at $120.00

    130. Structure image for Fmoc-L-Asn(Trt)-Wang TG
      Fmoc-L-Asn(Trt)-Wang TG

      Product code: SAL1304

      Particle size : 90 µm

      Starting at $84.00

    131. Structure image for Fmoc-L-Asp(OtBu)-Wang TG
      Fmoc-L-Asp(OtBu)-Wang TG

      Product code: SAL1305

      Particle size : 90 µm

      Starting at $84.00

    132. Structure image for Fmoc-L-Cys(Trt)-Wang TG
      Fmoc-L-Cys(Trt)-Wang TG

      Product code: SAL1306

      Particle size : 90 µm

      Starting at $84.00

    133. Structure image for Fmoc-L-Cys(Acm)-Wang TG
      Fmoc-L-Cys(Acm)-Wang TG

      Product code: SAL1307

      Particle size : 90 µm

      Starting at $120.00

    134. Structure image for Fmoc-L-Cys(S-tBu)-Wang TG
      Fmoc-L-Cys(S-tBu)-Wang TG

      Product code: SAL1308

      Particle size : 90 µm

      Starting at $84.00

    135. Structure image for Fmoc-L-Cys(SS-tBu)-Wang TG
      Fmoc-L-Cys(SS-tBu)-Wang TG

      Product code: SAL1309

      Particle size : 90 µm

      Starting at $120.00

    136. Structure image for Fmoc-L-Gln(Trt)-Wang TG
      Fmoc-L-Gln(Trt)-Wang TG

      Product code: SAL1310

      Particle size : 90 µm

      Starting at $84.00

    137. Structure image for Fmoc-L-Glu(OtBu)-Wang TG
      Fmoc-L-Glu(OtBu)-Wang TG

      Product code: SAL1312

      Particle size : 90 µm

      Starting at $84.00

    138. Structure image for Fmoc-Gly-Wang TG
      Fmoc-Gly-Wang TG

      Product code: SAL1313

      Particle size : 90 µm

      Starting at $72.00

    139. Structure image for Fmoc-L-His(Trt)-Wang TG
      Fmoc-L-His(Trt)-Wang TG

      Product code: SAL1314

      Particle size : 90 µm

      Starting at $84.00

    140. Structure image for Fmoc-L-Ile-Wang TG
      Fmoc-L-Ile-Wang TG

      Product code: SAL1315

      Particle size : 90 µm

      Starting at $72.00

    141. Structure image for Fmoc-L-Leu-Wang TG
      Fmoc-L-Leu-Wang TG

      Product code: SAL1316

      Particle size : 90 µm

      Starting at $72.00

    142. Structure image for Fmoc-L-Lys(Boc)-Wang TG
      Fmoc-L-Lys(Boc)-Wang TG

      Product code: SAL1317

      Particle size : 90 µm

      Starting at $84.00

    143. Structure image for Fmoc-L-Met-Wang TG
      Fmoc-L-Met-Wang TG

      Product code: SAL1318

      Particle size : 90 µm

      Starting at $72.00

    144. Structure image for Fmoc-L-Nle-Wang TG
      Fmoc-L-Nle-Wang TG

      Product code: SAL1319

      Particle size : 90 µm

      Starting at $84.00

    145. Structure image for Fmoc-L-Orn(Boc)-Wang TG
      Fmoc-L-Orn(Boc)-Wang TG

      Product code: SAL1320

      Particle size : 90 µm

      Starting at $120.00

    146. Structure image for Fmoc-L-Phe-Wang TG
      Fmoc-L-Phe-Wang TG

      Product code: SAL1321

      Particle size : 90 µm

      Starting at $72.00

    147. Structure image for Fmoc-L-Pro-Wang TG
      Fmoc-L-Pro-Wang TG

      Product code: SAL1322

      Particle size : 90 µm

      Starting at $72.00

    148. Structure image for Fmoc-L-Ser(tBu)-Wang TG
      Fmoc-L-Ser(tBu)-Wang TG

      Product code: SAL1323

      Particle size : 90 µm

      Starting at $84.00

    149. Structure image for Fmoc-L-Thr(tBu)-Wang TG
      Fmoc-L-Thr(tBu)-Wang TG

      Product code: SAL1324

      Particle size : 90 µm

      Starting at $84.00

    150. Structure image for Fmoc-L-Tyr(tBu)-Wang TG
      Fmoc-L-Tyr(tBu)-Wang TG

      Product code: SAL1326

      Particle size : 90 µm

      Starting at $84.00

    151. Structure image for Fmoc-L-Val-Wang TG
      Fmoc-L-Val-Wang TG

      Product code: SAL1327

      Particle size : 90 µm

      Starting at $72.00

    152. Structure image for Fmoc-L-Trp(Boc)-Wang TG
      Fmoc-L-Trp(Boc)-Wang TG

      Product code: SAL1328

      Particle size : 90 µm

      Starting at $120.00

    153. Structure image for TG XV RAM (100µm)
      TG XV RAM (100µm)

      Product code: XV30023

      Particle size : 100-200 µm

      Starting at $96.00

    154. Structure image for (Fmoc)4-Lys2-Lys-beta-Ala-Wang TG
      (Fmoc)4-Lys2-Lys-beta-Ala-Wang TG

      Product code: SAL2013

      Starting at $288.00

    155. Structure image for Fmoc-L-Lys(Fmoc)-Wang TG
      Fmoc-L-Lys(Fmoc)-Wang TG

      Product code: SAL2000

      Particle size : 90 µm

      Starting at Please inquire

    156. Structure image for TG R RAM (90µm)
      TG R RAM (90µm)

      Product code: R28023

      Starting at $96.00

    157. Structure image for TG HL RAM (75µm)
      TG HL RAM (75µm)

      Product code: HL12023

      Starting at $96.00

    158. Structure image for (Fmoc)4-Lys2-Lys-Rink TG
      (Fmoc)4-Lys2-Lys-Rink TG

      Product code: SAL2023

      Starting at $288.00