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
Purity / RP-HPLC
Catalogue
GL-GA-0075
Issued
2026-03-13
DL-Tryptophan Purity / RP-HPLC report by VendorInvestigator
Verification reference: 53547-DL-Tryptophan_6S2RN2EWVLYD