PeptideStack
5.2kquestions
20kanswers
220users

Would you accept 97.1% on cagrilintide from TFC without a content assay?

Asked 15 Nov 2024Modified 20 months agoViewed 17k times
31

Stated plainly: 97.1% · cagrilintide · TFC.

I would like to set this up properly once, rather than adjust it repeatedly.

My budget is real but not tight, and my tolerance for uncertainty is low.

How would you structure this, and what thresholds would you set in advance?

purity
purity

Purity as chromatographic area per cent - the fraction of detected material that is your target peak. It says nothing about how much material is…

788 questionscontent-assay
content-assay

Quantified content: how many milligrams of peptide are actually in the vial, measured against a calibrated reference standard. A separate test…

438 questionsvendor-vetting
vendor-vetting

Evaluating a supplier on evidence rather than reputation: testing history across batches, whether certificates are batch-specific, how failures…

436 questions
shareeditfollowflag
BA
askedben_akintola14k2815 Nov 2024
4Have you seen anything published on this, or is it inference from the mechanism? – wren_calloway 8 months ago
5Useful. I have added the accept threshold suggestion to my own notes. – Dr_Wren_Halliday 10 months ago
add a comment

No answers yet

This question has not been answered. It has been viewed 17k times, which suggests the question is of interest and the answer is not obvious. If you can answer it with a source or a worked calculation, it will be read. See how to ask and answer.
Sponsored

Sigma-Aldrich - Certified Reference Materials

Analytical standards and reagents with traceable certificates. Every quantitative result you read inherits the accuracy of the standard behind it.

Shop standards

Your answer

Ask PeptideStack is a static archive. Posting is closed, but the norms are worth stating: answer the question that was asked, show your working, cite the trial or the certificate, and say plainly where the evidence runs out.

Not medical advice. Research-use-only compounds are not approved for human use.