Pharmaceutical grade Vitamin B2 / Riboflavin CAS: 83-88-5

Product Name: Riboflavin
Synonyms: vitasanb2;xypentyl)-;E 101;Riboflavin (1.07609);Riboflavin Vitamin B2;Vitamin B2 (Riboflavine);RIBOFLAVIN DC GRADE;Riboflavin Bp
CAS: 83-88-5
MF: C17H20N4O6
MW: 376.36
EINECS: 201-507-1
Mol File: 83-88-5.mol

CERTIFICATE OF ANALYSIS

Product name Vitamin B2
CAS No. 83-88-5 Outer Packing 25KG
Production date 2017.04.15 Shelf life 2019.04.14
Standard adopted USP37
Items of analysis Specification Results

Appearance

yellow or orange yellow crystalline powder

Conform

Identification

Conform

Conform

Specific rotation

-115°~-135°

-126°

Loss on drying

≤1.5%

0.6%

Residue on ignition

≤0.3%

0.08%

Lumiflavine

440nm Absorbance≤0.025

Conform

Assay(on dried basis)

98.0%~102.0%

99.7%

Conclusion Qualified

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