Methyl Cobalamin
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Product Description
Product
Methyl Cobalamin
CAS
13422-55-4
Synonym
Cobinamide, cobalt-methyl derivative
Typical 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%
Aceton Assay
0.5%
Spectrophotometric Assay
(On dried basis) 96.0 % - 101.0%
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
Chemical Structure
Class
Methyl Cobalamin
Product Description
Product
Methyl Cobalamin
CAS
13422-55-4
Synonym
Cobinamide, cobalt-methyl derivative
Typical 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%
Aceton Assay
0.5%
Spectrophotometric Assay
(On dried basis) 96.0 % - 101.0%
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
Chemical Structure
Class
