u/inquilinekea

Do finnrick/other peptide testing test for stereoisomer impurities?

What about out-of-order amino acids (eg amino acids at positions 13 and 16 reverted around).

Even if you do both HPLC and mass-spect, you're not going to capture *every* optical isomer of the peptide. Does it matter that much?

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u/inquilinekea — 2 months ago