VendorInvestigatorIndependent Testing Bureau
✓

Authentic report — verified

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

Product
DL-Tryptophan
Specification
99.0% · 5kg
Report Type
Sterility / USP <71>
Catalogue
GL-GA-0075
Issued
2026-03-09
DL-Tryptophan Sterility / USP <71> report by VendorInvestigator
Verification reference: 58673-DL-Tryptophan_QGBPL59BR9G7