Qingdao Header International Trading Co., Ltd.

Vitamin B12, Cyanocobalamin, Pharmaceutical Chemical manufacturer / supplier in China, offering USP38/ 96%Min/Best Vb12 of China/Vitamin B12 (Cyanocobalamin), Benzocaine, GMP Factory, Ethyl P-Aminobenzoate, Abee,, Stevia P. E. - Rebaudioside a 97% & Erythritol and so on.

Supplier Homepage Product List Biochemical products USP38/ 96%Min/Best Vb12 of China/Vitamin B12 (Cyanocobalamin)

USP38/ 96%Min/Best Vb12 of China/Vitamin B12 (Cyanocobalamin)

FOB Price:US $3,000 / kg
Min. Order (kg) FOB Price
1+ US $3,000 / kg
Get Latest Price
Min. Order: 1 kg
Production Capacity: 2000kg/Year
Transport Package: 0.1kg/Tin
Payment Terms: L/C, T/T

Basic Info.

Product Name:Vitamin B12
Other Name:Cyanocobalamin
Assay:96%-102%
Grade:USP38
Trademark:Qingdao Header
Specification:CP, BP, USP, EP
Origin:China

Product Description

Product name:Vitamin B12(Cyanocobalamin)
Assay:96%-102%
Standard: USP 38
USP38/ 96%Min/Best Vb12 of China/Vitamin B12 (Cyanocobalamin)
Certificate of Analysis
Product NameVitamin B12(Cyanocobalamin)
GradeUSP 38
Test ItemSpecificationTest Result
AppearanceDark red,crystalline powder or dark red crystals.
Assay(on drying basis)97.0%~102.0%98.65%
IdentificationA:A361/A278nm 1.70-1.90
  A361/A550nm 3.15-3.40
 
1.84
3.23
B: Meets USP Requirements     Conform
C:HPLC:The retention time of major peak of the sample solution corresponds to that of the standard solution.Conform
Loss on drying≤10.0%2.66%
 
Related Substances
Total Impurities≤3.0%0.76%
,8β-Lactocyanocobalamin≤1.0%0.37%
34-Methylcyanocobalamin≤2.0<0.1%
8-Epi-cyancobalamin≤1.00.27%
Any other impurity(Include 50-Carboxycyanocobalamin;32-Carboxycyancobalamin)0.5%<0.5%
Residual SolventAcetone≤0.5%0.002%
Total Plate Count≤800cfu/g5cfu/g
Yeast&Mold≤80cfu/g<10cfu/g
E-ColiNegativePass
StorageCool and dry condition
Packing0.1kg/tin
ConclusionConform to USP38 requirements

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