Product Name Vitamin B2Alias RiboflavinMolecular Formula C17H20N4O6Molecular Weight 376.3639CAS No. 83-88-5;69680-01-9Shelf Life 2 years Quality Standard ......
Analytical Items | Standard |
Appearance | A yellow or orange-yellow crystalline powder |
Identification | Positive |
Assay | ≥80.0% |
PH | 5.0~6.5 |
Specific Optical Rotation | +37°~+42° |
Loss on drying | ≤7.5% |
Lumiflavine | ≤0.025% |
Free Riboflavin | ≤6.0% |
Riboflavin Diphosphate | ≤6.0% |
Free Phosphate | ≤1.0% |