For B2B partners requiring detailed technical documentation. A comprehensive, batch-specific Certificate of Analysis (COA) will be provided promptly upon request.

Parameter	Specification	Test Method
Identity
Product Name	Vitamin B12 Cyanocobalamin Powder	-
CAS No.	68-19-9	-
Molecular Formula	C₆₃H₈₈CoN₁₄O₁₄P	-
Key Specifications
Purity	≥ 98%	HPLC
Appearance	Dark Red Crystalline Powder	Visual Inspection
Loss on Drying	≤ 12.0%	Karl Fischer
Specific Rotation	-59° ~ -66°	Polarimetry
Safety & Quality
Heavy Metals
- Lead (Pb)	≤ 3.0 mg/kg	ICP-MS
- Arsenic (As)	≤ 3.0 mg/kg	ICP-MS
- Cadmium (Cd)	≤ 1.0 mg/kg	ICP-MS
- Mercury (Hg)	≤ 0.1 mg/kg	ICP-MS
Total Plate Count	< 1000 CFU/g	USP <61>
Yeast & Mold	< 100 CFU/g	USP <61>
E. Coli	Negative	USP <62>
Salmonella	Negative	USP <62>
Certifications	ISO 9001, GMP (Certificates available upon request)	Audit Certification

Note: The specifications above define our standard Vitamin B12 Cyanocobalamin product profile. We also provide customization options—such as adjustments to particle size distribution and packaging—to meet specific formulation requirements. Contact us to request the full Certificate of Analysis (COA) for detailed, batch-specific data and supporting compliance documentation.

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Vitamin B12 Cyanocobalamin

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