گلوتاتیون دارویی کد 104090 مرک آلمان





Glutathione (reduced)
suitable for biopharmaceutical production EMPROVE® bio Ph Eur

Pharma Manufacturing
Synonym(s): Glutathione (reduced), γ-L-Glutamyl-L-cysteinglycine, GSH


Analysis Note
Assay (iodometric, calc. on dried substance): 98.0 - 101.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, slightly agglomerated, crystalline powder
Appearance of solution (100 g/l, water): clear and colorless.
Spec. rotation (α 20/D, 40 g/l, water, calc. on dried substance): -15.5° to -17.5°
Chloride (Cl): ≤ 200 ppm
Sulfate (SO₄): ≤ 300 ppm
As (Arsenic): ≤ 1.5 ppm
Fe (Iron): ≤ 10 ppm
Fe (Iron) (ICP): ≤ 10 ppm
NH₄ (Ammonium): ≤ 200 ppm
Cu (Copper)*: ≤ 25 ppm
Related substances (CE) (Impurity A (Cysteinylglycine)): ≤ 0.5 %
Related substances (CE) (Impurity B (Cysteine)): ≤ 0.5 %
Related substances (CE) (Impurity C (Glutathione oxidized)): ≤ 1.5 %
Related substances (CE) (Impurity D (Glutamylcysteine)): ≤ 1.0 %
Related substances (CE) (Impurity E): ≤ 0.5 %
Related substances (CE) (Largest unspecified impurity): ≤ 0.2 %
Related substances (CE) (Sum of all impurities): ≤ 2.5 %
Acetic acid (HS-GC): ≤ 5000 ppm
Ethanol (HS-GC): ≤ 5000 ppm
Ethyl acetate (HS-GC): ≤ 5000 ppm
Other residual solvents (ICH Q3C): passes test
Sulfated ash (600 °C): ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.5 %
Elemental impurity specifications have been set considering
ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph. Eur.