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
Heavy Metals / ICP-MS
Catalogue
GL-GA-0037
Issued
2026-03-02
D-Tryptophan Heavy Metals / ICP-MS report by VendorInvestigator
Verification reference: 98382-D-Tryptophan_MWQZBPA4LGDV