Certificate of Analysis

Product Name

Glutathione (Reduced form, GSH)

Lot No.

3132018

Report Date

15 July 2026

Storage

-20°C (routine 2-8°C)

Sequence

γ-Glu-Cys-Gly

Modifications

None (reduced form, free thiol)

Test Results

Test Item	Specification	Result
Appearance	White to off-white lyophilized powder	Conforms
Molecular Weight (MS)	307.32 ±1.0 Da	306.3 Da
Purity (HPLC)	≥99.0%	99.6%
Retention Time (HPLC)	+0.1-0.2 min of standard	Conforms
Related Substances	≤0.5% each / ≤2.0% total	Conforms
Solubility	Freely soluble in water	Conforms
Acetic Acid Content	≤5000 ppm	650 ppm
TFA Content	≤50 ppm	N.D.
DCM Content	≤50 ppm	N.D.
DMF Content	≤100 ppm	N.D.
Total Aerobic Count	≤100 CFU/g	<10 CFU/g
Yeast & Molds Count	≤10 CFU/g	<10 CFU/g
Endotoxins	≤0.5 EU/mg	<0.05 EU/mg
Heavy Metals	≤10 ppm	<1 ppm

For Research Use Only - Not for Human Consumption