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Vitamin B12 Cyanocobalamin  CAS NO.68-19-9

Vitamin B12 Cyanocobalamin CAS NO.68-19-9

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最小订单价格:

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最小订单:

5 Kilogram

包装细节:

25kg/carton

交货时间:

7-10 days

供应能力:

500 Kilogram per Year

付款方式:

L/C, T/T

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联系人 Ms. Lily

No.988, Zhongchun Road, Minhang District, Shanghai, Shanghai

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详情

Vitamin B12  

Product name: Cyanocobalamin (Vitamin B12)

CAS NO. 68-19-9

Molecular formula: C63H88CoN14O14P

Quality Standard: Food grade/Feed grade/pharma grade

Reference: USP

Specification
 

Appearance Dark red crystals or amorphous or crystalline  red powder.
Identification A A361nm /A278nm: 1.70~1.90

A361nm/A550nm: 3.15~3.40
Identification B Cobalt: Meets USP requirements
Identification C  The retention time of the major peak of the sample solution corresponds to that of the standard solution.
Loss on Drying 10.0%
Assay 97.0%-102.0%
Related substance Meets USP requirements
Acetone 5000ppm
Total aerobic microbial count 1000cfu/g
Yeasts & Molds 100cfu/g

Storage: Store in a tightly closed container, protected from light.

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