PeptideMeterIndependent Test Result
✓

Authentic report — verified

This certificate was issued by PeptideMeter 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
2026-03-24
D-Tryptophan Heavy Metals / ICP-MS report by PeptideMeter
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Verification reference: 68080-D-Tryptophan_PRD4LU8XTTD5