Cyanocobalamin (VB12)

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1 Kilogram	Negotiable

1 Kilogram

Negotiable

Min.Order :1 Kilogram
Purity: 98%
Payment Terms : L/C|D/P|T/T|Westem Union||Other

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Quick Details

Appearance:Dark-red crystalline powder or crystals
Application:nutrition medicine,Treatment of anemia
PackAge:1kg/tin
ProductionCapacity:10|Metric Ton/Month
Storage:keep in cool,dry place
Transportation:by sea,air,road

Superiority:

CERTIFICATEOFANALYSIS Name:CYANOCOBALAMIN(B12)BatchNumber:C121109 BatchSize:65kgPackingSize:1kg/...

Details:

CERTIFICATE OF ANALYSIS

Name: CYANOCOBALAMIN(B12) Batch Number: C121109

Batch Size: 65kg Packing Size: 1kg/TIN,5kg/tin

Certificate No.:12151 Manu Date: November 18, 2012

Date of Release:November 19, 2012 Expiry Date: November 17, 2017

ANALYSIS AS PER USP 35

Items of analysis	Specification		Results
Appearance	Dark-red crystalline powder or crystals		Conforms
Identification Ratio of optical density A361/A550NM A361/A278NM TLC Chemical HPLC	3.15-3.40 1.70-1.9 Conforms Positive The retention time of major peak of the sample solution corresponds to that of the standard solution.		3.25 1.87 Conforms Positive Conrrespond
Related substances (HPLC)	7-β,8β-lactocyanocobalamin	≤1.0%	0.2%
	50-carboxycyanocobalamin	≤0.5%	Not detected
	34-methylcyanocobalamin	≤2.0%	0.6%
	32-carboxycyanocobalamin	≤1.0%	Not detected
	8-Epi-cyanocobalamin	≤1.0%	Not detected
	Any other unidentified inpurities	≤0.5%	0.2%
	Total impurities	≤3.0%	1.6%
Loss on drying	≤12.0		2.1%
Residual solvents	Ethanol≤5000ppm		72ppm
Residual solvents	Acetone≤5000ppm		32ppm
Assay（HPLC）	96.0%~102.0%(Anhydrous substance)		98.9%
Conclusion	Conform with the specifications.

Conclusion: It meets the standard USP 35

QC: ZHANG Rechecher: HAO Analyst: QIAO

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