The Salt Form Quietly Changes Your Concentration Maths
Free base is not how a synthetic peptide normally reaches anybody. What arrives is a salt, and the identity of that salt feeds into your concentration arithmetic and…
support@exolabz.co
Free base is not how a synthetic peptide normally reaches anybody. What arrives is a salt, and the identity of that salt feeds into your concentration arithmetic and…
Same batch, two laboratories, two different purity figures. No analyst blundered. The spread opened up because a purity percentage is the output of a procedure…
Few modifications change a peptide as thoroughly as closing it into a ring. Stability shifts, selectivity shifts…
A bump riding on the side of the main peak, never quite resolving into anything of its own, is the most informative feature a chromatogram is likely to hand you.
Most of the water leaves a peptide preparation during freeze-drying. All of it does not. Whatever remains is simultaneously a mass appearing on your invoice and a variable acting…
Nothing is defined by the phrase "research grade." It is commercial description rather than a specification anyone can hold a supplier to…
Scroll any peptide supplier's homepage and "third-party tested" is almost certain to appear somewhere on it. As a phrase on its own it settles nothing.
Reconstitute a vial labeled 10 mg in 1 mL, write 10 mg/mL on the tube, and if the net peptide content of that material is 78 percent you have just overstated your concentration…
Every research peptide raises two separate analytical questions. Is this actually the molecule it is supposed to be?
A certificate of analysis is what stands between a characterized research compound and an unidentified powder in a vial. It is also the document most buyers scroll past.
Shop by research area
Most requested
Guides & help
5.0 from 25 customer reviewssupport@exolabz.coReplies in about an hour
Shop by research area All 44 compounds →
Most requested
Start here
Research libraryMethods, analytics and lab practice articlesResearch peptides in the USASourcing, testing and delivery explainedChoosing a supplierWhat to check before you orderPeptide glossaryTerms from HPLC to lyophilisationHelp centre
Your account
Programs
BPC-157 10mg
NAD+ 1000mg
MOTS-c 10mg
Selank 10mg