Lot-matched COA on file Glutathione
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A tripeptide composed of glutamate, cysteine and glycine. Its defining structural feature is the gamma linkage between the glutamate side-chain carboxyl group and the cysteine amine, in place of the standard alpha peptide bond found in ribosomally synthesised peptides. That linkage is what makes the molecule resistant to most peptidases.
COMPOSITION
Sequence gamma-L-glutamyl-L-cysteinylglycine · Formula C10H17N3O6S · MW 307.32 g/mol · CAS 70-18-8 · Supplied in the reduced form
ANALYTICAL SPECIFICATION
Identity confirmed by mass spectrometry against the theoretical molecular weight. Purity by reverse-phase HPLC, reported as area percent. Each lot ships with a certificate of analysis matched to its lot number.
FORM AND STORAGE
White to off-white lyophilized powder. The free thiol group oxidises readily on exposure to air, forming the disulfide dimer; keep the vial sealed and store lyophilized, protected from light and air.
Supplied for laboratory research use only. Not for human or veterinary use. No preparation, measurement, handling or application instructions are provided.
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Analytical specifications
| Chemical name | Glutathione |
|---|---|
| Class | Tripeptide; gamma-glutamyl linked, supplied in the reduced form |
| Sequence | gamma-L-glutamyl-L-cysteinylglycine |
| Molecular weight | 307.32 g/mol |
| Molecular formula | C₁₀H₁₇N₃O₆S |
| CAS number | 70-18-8 |
| Purity | ≥ 99.96% (HPLC) |
| Identity | Confirmed by mass spectrometry |
| Form | Lyophilized powder |
| Amount | 1500 mg per vial |
| Storage | Store lyophilized, protected from light |
| Current lot | KR260709A |
