WC Code: 03-122

Cyanocobalamin (Vitamin B-12) USP Grade


Cyanocobalamin (Vitamin B-12) USP Grade

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

Cyanocobalamin (Vitamin B-12) Sales Specification

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

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


Q1: Can I have a sample for testing?
A: Yes! Test can intuitively show the application result. Actually the sample is free;
you just need to pay for the express cost.
Q2: Can I use our own packing?
Yes! OEM is available for us. You can send your packing material to our factory or we can purchase the designated packing for you.
Q3: Do you have inspection procedures for evaporation materials?
A: 100% self-inspection before packing
Q6: What are the benefits of being an HSC distributor?
A: Broad market sales; ample margins for your sales.
Q7: How can I become a distributor of HSC?
A: Contact us immediately for further details by sending us an inquiry.

Contact Us For Bulk Orders!


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