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Methyl Cobalamin

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Product Description

PRODUCT

Methyl Cobalamin

CAS #

13422-55-4

SYNONYM

Cobinamide, cobalt-methyl derivative

Product Specifications

SENSORIC

Dark red crystals or crystaline powder

ODOR

Odorless

SOLUBILITY (GRAMS/100 GRAMG WATER) AT 0°C

(5% Water) Soluble

LOSS ON DRYING

< 6.0%

RESIDUAL SOLVENTS

-

ACETON ASSAY

0.5%

SPECTROPHOTOMETRIC ASSAY

(On dried basis) 96.0 % - 101.0%

IMPURITY

-

ACIDIC IMPURITIES

(On dried basis) 3.0%

RELATED COMPONENTS

(HPLC): 2.0%

HYDROXOXOBALAMIN

2.0%

ANY OTHER IMPURITIES

1.0%

IDENTIFICATION

Method ------------------------- Result

PH=2

A460/A353 ------------------ 0.80

PH=7

A522/A343 ------------------ 0.55 - 0.75 ºC

PH=7

A267/A343 ------------------ 1.30 -1.50 ºC

PH=2

---------- ------------------------ Positive

PH=7

---------- ------------------------ Positive

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