VendorInvestigatorIndependent Testing Bureau
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Authentic report — verified

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

Product
D-Tryptophan
Specification
99.0% · 100g
Report Type
Purity / RP-HPLC
Catalogue
GL-UA-0020
Issued
2026-03-04
D-Tryptophan Purity / RP-HPLC report by VendorInvestigator
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Verification reference: 54874-D-Tryptophan_8QHVSY272ZZB