VendorInvestigatorIndependent Testing Bureau
✓

Authentic report — verified

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

Product
D-Tryptophan
Specification
99.0% · 1kg
Report Type
Purity / RP-HPLC
Catalogue
GL-GA-0037
Issued
2026-03-01
D-Tryptophan Purity / RP-HPLC report by VendorInvestigator
Verification reference: 74977-D-Tryptophan_A5A5QKNZYDES