Description
L-Glutathione (GSH) COA — 98–99% Specification
| Test Parameter | Specification |
|---|---|
| Product Name | Reduced L-Glutathione |
| Abbreviation | GSH |
| Chemical Type | Tripeptide (γ-L-glutamyl-L-cysteinylglycine) |
| CAS No. | 70-18-8 |
| Molecular Formula | C₁₀H₁₇N₃O₆S |
| Molecular Weight | 307.32 g/mol |
| Appearance | White to almost-white crystalline powder |
| Identification | Conforms |
| Assay (HPLC) | 98.0–101.0% |
| Reduced Glutathione | ≥98.0% |
| Oxidized Glutathione (GSSG) | ≤1.5% |
| Specific Rotation [α]D²⁰ | −15.5° to −17.5° |
| Loss on Drying | ≤0.50% |
| Residue on Ignition | ≤0.10% |
| Heavy Metals | ≤10 ppm |
| Lead (Pb) | ≤3 ppm |
| Arsenic (As) | ≤1 ppm |
| Cadmium (Cd) | ≤1 ppm |
| Mercury (Hg) | ≤0.1 ppm |
| Total Plate Count | ≤1,000 CFU/g |
| Yeast & Mold | ≤100 CFU/g |
| E. coli | Absent |
| Salmonella | Absent |
| Storage | Cool, dry place in a tightly sealed container; protect from moisture, heat and oxidation |
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