Library
Peptide Intelligence
Compound notes, lab method, and testing protocol. Bylines and a named reviewer on every card. Research context only.
Testing protocol · 7 min
How we verify a batch
The chain from lyophilized fill to a published certificate — and why a lookup box sits above the catalog.
CrewChems Science Desk · reviewed C. Jepson · 2026-08-04
Lab method · 6 min
Reconstituting lyophilized peptides for in-vitro work
Mass, volume, and concentration — a laboratory arithmetic note, not a protocol for use in humans or animals.
CrewChems Science Desk · reviewed C. Jepson · 2026-08-06
Documentation · 8 min
Reading an HPLC + MS certificate
What the six numbers on a CrewChems batch record actually mean, and which ones are identity versus purity versus contamination.
CrewChems Science Desk · reviewed C. Jepson · 2026-08-08
Spec notes · 4 min
MOTS-C: the formula we publish, and the one we retired
C101H152N28O22S2 / 2174.5 g/mol. Older marketing art showing C78 is wrong and is not a certificate.
CrewChems Science Desk · reviewed C. Jepson · 2026-07-15
Lab method · 5 min
Storage: lyophilized versus reconstituted
Two different materials, two different shelves. A short note for lab managers, not a stability claim.
CrewChems Science Desk · reviewed C. Jepson · 2026-08-10