Riboflavin (Vitamin B2) Ph. Eur., USP, rein, Pharmaqualität
Lieferant: PanReac AppliChem
Synonyme:
Lactoflavin
, Vitamin B2
, 6,7-Dimethyl-9-D-ribitylisoalloxazin
, 7,8-Dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-benzo[g]pteridin-2,4(3H,10H)-dion
, Vitamin G
, (-)-Riboflavin
APPCA6279.0250EA
247
EUR
APPCA6279.0250
APPCA6279.0100
Riboflavin (Vitamin B2) Ph. Eur., USP, rein, Pharmaqualität
Riboflavin (Vitamin B2)
Formel:
C₁₇H₂₀N₄O₆ Molecular Weight: 376,37 g/mol Schmelzpunkt: 280 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00005022 CAS-Nummer: 83-88-5 EINECS: 201-507-1 Merck Index: 12,08367 |
Spezifikation Testergebnisse
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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