Methylcobalamin IP

Specification Methylcobalamin

Sr. No. Test Specification
1 Description A dark Red Crystal or crystalline powder.
2 Solubility Sparingly soluble in Water, Slightly soluble in Ethanol and practically insoluble in Acetonitrile.
3 Identification

By Chemical Reaction
UV Spectrum of sample preparation and standard preparation should have similar intensities of absorption at same wavelength
A red to orange-red color should be immediately produced.
4 Appearance of Solution A solution is clear and red in color
5 Water Content NMT 12.0 %
6 Related Substance by HPLC Single Impurity : NMT 0.5 %
Total Impurity : NMT 2.0 %
7 Assay By HPLC NLT 98.0 % and NMT 101.0% of C63 H91CoN13O14P(On Anhydrous Basis)