Riboflavine (vitamin B2) Ph. Eur., USP, pure, Pharma Grade

Supplier: PanReac AppliChem

Synonyms: Vitamin B2, Lactoflavin, 7,8-Dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)benzo[g]pteridine-2,4(3H,10H)-dione, (-)-Riboflavin, Vitamine G

A6279.0100 A6279.0250
APPCA6279.0100EA 79 GBP
APPCA6279.0100 APPCA6279.0250
Riboflavine (vitamin B2) Ph. Eur., USP, pure, Pharma Grade
Riboflavine (Vitamin B2)
Formula: C₁₇H₂₀N₄O₆
MW: 376,37 g/mol
Melting Pt: 280 °C
Storage Temperature: Ambient
MDL Number: MFCD00005022
CAS Number: 83-88-5
EINECS: 201-507-1
Merck Index: 12,08367

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Specification Test Results

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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