VendorInvestigateIndependent Testing Bureau

Authentic report — verified

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

Product
L-Thyroxine (T4)
Specification
98.0% · 1g
Report Type
Purity / RP-HPLC
Catalogue
GL-SP-0020
Issued
2026-03-23
L-Thyroxine (T4) Purity / RP-HPLC report by VendorInvestigate
Verification reference: 68594-L-Thyroxine_(T4)_X3P9L3DUQ53X