Riboflavin-5''-phosphate monosodium salt hydrate, USP grade CAS 130-40-5

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CAS: 130-40-5

MF: C₁₇H₂₀N₄NaO₉P · xH₂O

MW: 514.36

Physical Description	Yellow to orange crystalline powder
Identification (IR)	To conform to standard
Identification	A, B according to USP
Solubility (1% in water)	Clear, orange to yellow solution
pH (1% in water)	5.0 - 6.5
Specific Optical Rotation	+37.0 - +42.0 °
Residue on Ignition	≤ 25.0%
Free Phosphate	≤ 1.0%
Lumiflavin	Absorbance: ≤ 0.025
Free Riboflavin	≤ 6.0%
Riboflavin Diphosphosphates	≤ 6.0%
Loss on Drying	≤ 7.5%
Assay	73.0 - 79.0 % (C17H20N4O6, dried basis)
Pharmacopoeia Specification(s)	USP
Specification Version	1.1