Positions 126–130 of 130.
the same signature image on COAs from three vendors. Multiple orders, one buyer, which makes this a series and not a survey. Ask what the stability statement was…
area percent is not what most of this community thinks it is. If you already knew this, the post is not for you and you can scroll on. Net peptide content is the…
the COA advice in here is 2 years out of date, and I am aware this is a minority view on this board. 2 years — those are the numbers, and they are the ones I am willing…
Short version of the title, which is already short: is 98.3% actually fine or am I being sold a rounding error. Longer version underneath. Since the title puts numbers…
Send the vial, get the number. Third-party purity and identity testing, results published to you regardless of what they say.
Test a vialSponsoredEst. 1998. ISO 9001 and cGMP, 1,500+ staff, 200+ patents. There is a fair chance the vial you are about to send for testing started here. Batch-specific COA as standard.
glbiochem.netPosting this because the title is the whole finding — QSC BPC — Janoshik came back 98.7% against a claimed 98.5% — and a number without its method is a rumour. 98.7%…
How to read a certificate of analysis and what it does and does not tell you. Area% versus mass%, identity versus quantity, water content, related substances, acetate counterions, and the difference between a vendor-supplied COA and an independent test on the vial you actually received.
Certified reference materials for peptide identity and purity work.
sigmaaldrich.comSeveral compounds discussed on GLP Research Hub are sold for research use only and are not approved for human use anywhere. Nothing here is medical advice and none of it is written by your clinician. If a post reads like an instruction, treat it as a description of what one stranger did.
Reference