Riboflavine (vitamin B2) Ph. Eur., USP, pure, Pharma Grade
Supplier: PanReac AppliChem
Certificates
About this item
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
CAS Number:83-88-5
:
Formula:C₁₇H₂₀N₄O₆
MDL Number:MFCD00005022
Molecular Weight:376.37 g/mol
Melting Pt:280
Merck Index:12,08367
Storage Temperature:Ambient
EINECS:201-507-1
Specifications
- Environmentally Preferable:
Specifications
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
Specification Test Results
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