VendorInvestigatorIndependent Testing Bureau
✓

Authentic report — verified

This certificate was issued by VendorInvestigator and matches our records. Reference ID confirmed.

Product
L-Cystine Standard
Specification
99.0% · 1g
Report Type
Sterility / USP <71>
Catalogue
GL-AS-0027
Issued
2026-03-24
L-Cystine Standard Sterility / USP <71> report by VendorInvestigator
Verification reference: 31138-L-Cystine_Standard_GULM3R3XSVQK