SPECIMEN — ILLUSTRATIVE FORMAT. This certificate shows the COA layout for this compound. Lot number, dates, and measured results (shown as “____”) are completed on the certificate issued with each shipped lot.
Product Identification
| Product | Glutathione (HXR-GLUTATHIONE) |
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| Full name | Glutathione, reduced (GSH; gamma-glutamyl-cysteinyl-glycine tripeptide) |
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| CAS No. | 70-18-8 |
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| Molecular formula | C₁₀H₁₇N₃O₆S |
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| Molecular weight | 307.32 g/mol |
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| Appearance | White lyophilized powder |
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| Lot No. | ____ |
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| Manufacture date | ____ |
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| Re-test date | ____ |
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| Quantity | 1000 mg |
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Analytical Results
| Test | Method | Specification | Result |
|---|
| Purity | RP-HPLC | ≥98% (HPLC) | ____ |
| Identity | ESI-MS | Consistent with MW | ____ |
| Appearance | Visual | White powder | ____ |
| Solubility | Visual | Soluble in water / AcOH | ____ |
| Water content | Karl Fischer | ≤ spec | ____ |
| Counterion (acetate / TFA) | HPLC | Report | ____ |
Sequenceγ-Glu-Cys-Gly (gamma-glutamyl-cysteinyl-glycine; non-standard γ-glutamyl N-terminal linkage — distinct from the oxidized dimer GSSG, CAS 27025-41-8)
Storage & Handling
Store at −20°C, desiccated, protect from light. Minimize freeze–thaw cycles. Reconstitute under aseptic laboratory conditions.
Reviewed / Approved by ____________________ (QC)
Date ____________________
RESEARCH USE ONLY
Not for human or veterinary use, food, drug, or therapeutic application.
Helix Reagents LLC · helixbiosci.com ·
HXR-GLUTATHIONE
This certificate is valid only for the lot identified above.