PeptideStack
5.2kquestions
20kanswers
220users

Is 99.4% a realistic purity ceiling for oral semaglutide given its chain length?

Asked 24 Oct 2024Modified 21 months agoViewed 13k times
31

Conditions: 99.4% · oral semaglutide.

Please show the division. I want to check my own against yours.

I would like the general form as well as the specific number, so I can apply it again.

Where is my error, and what is the correct working?

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…

833 questions
hplc
hplc

Reverse-phase high-performance liquid chromatography, the workhorse purity method. Column chemistry, mobile-phase choice, gradient slope,…

503 questions
peptide-mapping
peptide-mapping

Enzymatic digestion followed by LC-MS/MS to confirm sequence rather than just mass. The method that catches a scrambled sequence or a D-amino-acid…

103 questions
oral-glp1
oral-glp1

Oral routes for GLP-1 receptor agonism: peptide formulations rescued by absorption enhancers such as SNAC, and true small molecules that need no…

219 questions
shareeditfollowflag
NT
askednominal_ten12k1524 Oct 2024
8Is the comparison against a supplier certificate or against a second independent result? – pieter_maas 9 months ago
7Voting to keep this open — it is more specific than it first looks. – Dr_Colm_Fitzhenry 8 months ago
add a comment

No answers yet

This question has not been answered. It has been viewed 13k 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

PeptideMeter - Independent Peptide Analytics

Aggregated, published test results and vendor ratings built from submitted batches. Methodology stated, dataset browsable, no listing fees.

Browse results

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.