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Vitamin B12

Brand:Hebei Hengguan Chemical Co.,Ltd
Category:API's
Views: times
Introduction:CAS No.:68-19-9
Products Information

 

ITEM

SPECIFICATION

APPEARANCE: CRYSTALLINE OR CRYSTALLINE POWDER
COLOUR: RED-PURPLISH
IDENTIFICATION: COMPLY WITH BP2000
RATIO ABSORBANCES: A361/A278 1.70-1.88
A361/A550 3.15-3.40
RELATED SUBSTANCES: COMPLY WITH BP2000
PSEUDO CYANOCOBALAMIN: COMPLY WITH USP25
LOSS ON DRYING: 12% MAX
ASSAY(ON DRY SUBS.): 96.0-100.5%

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