WC Code: 03-122

Cyanocobalamin (Vitamin B-12) USP Grade

Wintersun code: 03-122
CAS Number: 68-19-9
Molecular Formula: C63H88CoN14O14P

Sales Specification

Appearance: Dark-Red Crystalline or dark red crystals
Assay (on dry basis): 97.0%-100.5%

Identification
A: A361NM/A278NM: 1.70~1.90
B: Meets USP requirements
C: Meets USP requirements

Ratio of Optical Density (UV)
A361/A278 nm: 1.70 to 1.90
A361/A550 nm: 3.15 to 3.40

Coloration Test B: Complies
Coloration Test C: Complies
Pseudo Cyanocobalamin: Meets USP requirements
Loss on Drying: ≤ 10.0%
Residual Solvent: Acetone: ≤0.5%
Total Plate Count: ≤800 cfu/g
Yeast & Mold: ≤80cfu/g
E.Coli: Negative

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