Riboflavine Ph. Eur., USP, pure, grade Pharma
Marques : PanReac AppliChemTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Formule:
C₁₇H₂₀N₄O₆ Point de fusion: 280 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00005022 Numéro CAS: 83-88-5 EINECS: 201-507-1 Indice Merck: 12,08367 |
Résultats des tests de spécification
Assay (UV, dried subst.) | 98.0 - 102.0 % |
α20°C/D; 0.5 %, 0.05 N NaOH, dried subst. | -115° - -135° |
Identity | passes test |
Loss on drying | max. 1.5 % |
Sulfated ash | max. 0.1 % |
A373 nm / A267 nm | 0.31 - 0.33 |
A444 nm / A267 nm | 0.36 - 0.39 |
Absorption maxima (223, 267, 373, 444 nm) | passes test |
Impurity A (HPLC) | max. 0.025 % |
Impurity B (HPLC) | max. 0.20 % |
Impurity C (HPLC) | max. 0.20 % |
Impurity D (HPLC) | max. 0.20 % |
Related substances impurities (total) (HPLC) | max. 0.5 % |
Largest unspecified impurity (HPLC) | max. 0.10 % |
Lumiflavin (UV) | passes test |
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