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        Vitamin B2 (Riboflavin)? 98%

        CAS number: 83-88-5

        Molecular formula:

        molecular weight:

        Chemical structure:

        Details

        Product Name
        Vitamin B2 (Riboflavin)
        Shelf Life
        3 years
        Test
        Specification
        Results
        Appearance
        A yellow or orange yellow crystalline powder
        Yellow crystalline powder
        Identification
        A solution of 1 mg in 100ml of water is pale greenish yellow by transmitted light, and has an intense yellowish-green fluorescence that disappears upon the addition of mineral acids or alkalies
        Conform
        Specific rotation, ° -115~-135
        -122
        Loss on drying, %
        ≤1.5
        0.10
        Residue on ignition, %
        ≤0.3 0.1
        Lumiflavin
        440nm Absorbance≤0.025 0.008
        Assay (on dried basis)%
        98.0~102.0
        99.1
        Conclusion: The above analytical results conform to USP37.