Visit this regularly updated section to check out the latest additions to our portfolio, as well as the latest developments at Iris Biotech.

  1. Refill your Chemical Stocks

    Back in the lab after enjoying your holidays? Motivated to run new experiments but lacking certain building blocks or standards? Check out our huge portfolio or get in contact for our special offers!

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  2. Hydrazone Resins as Alternative to SEA Resins

    Discover the versatile applications of hydrazone resins e.g. for the preparation of peptide hydrazides, or the generation of peptide thio esters. Read on to find out more and see our available products.

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  3. Workshop Prevention of Aspartimide Formation

    You missed our workshop featuring Prof. Dr. Jeffrey W. Bode (ETH Zurich)? The recording will soon be available. Any further questions? Please get in contact via

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  4. PotM: Seleno Amino Acids

    Selenocysteine (Sec) plays a crucial role for various biological processes, and selenoproteins can be found in all lineages of life. Read on to discover the 21st amino acid, its derivatives and applications.

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  5. Maillard Reaction Products – General Advice for Usage, Reconstitution and Storage

    Read on for more information about the right handling of Maillard Reaction Products (MRPs), which are frequently used as analytical standards related to food quality and disease processes.

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  6. Protease Stable Ile/Leu Surrogates

    Herein we are presenting 2-(Fmoc-amino)-3,3-diMe-pent-4-enoic acid (FAA5040), a protease stable Ile/Leu surrogate suitable for further modification via its side chain double bond.

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  7. Measures to Prevent Aspartimide Formation

    Aspartimide formation remains one major hurdle during peptide synthesis. Read on to find out more about different strategies and available products at Iris Biotech in order to avoid this side product.

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  8. PotM: Functionalized Biotinylation Reagents

    Iris Biotech offers a variety of (functionalized) biotin and desthiobiotin reagents reactive towards certain functional groups. Discover our growing portfolio and latest additions.

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  9. N-Alkyl Substituted Carboxy Linkers for Peptide Synthesis

    Herein, we present Fmoc-protected N-alkyl-substituted carboxy linkers, which can be elongated by Fmoc-SPPS and can easily be linked to amino-functionalized solid supports. Read on to find out more about their advantages.

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  10. Avoiding Racemization: Fmoc-Aaa-MPPAs as Alternatives for Wang Linker during SPPS

    Compounds of the shown formula can simply be bound to solid supports via amide bond formation without racemization of the C-terminal amino acid and enable the synthesis of very pure peptides.

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