CAS number: 13422-55-4
Molecular formula:
molecular weight:
Chemical structure:
Product name: Mecobalamin Shelf life Three years Inspection Standard: JP XVI and in house standard Items Specifications Results Test methods Characters Dark red crystals or crystalline powder Complies JP Monograph Visual method Identification (1) UV: Compare the spectrum with the reference spectrum, Both spectra exhibit similar intensities of absorption at the same wavelengths Complies JP Monograph (2) Chemical: meets JP requirements Complies JP MonographPurity
(1) Clarity and color of solution
solution is clear and red color
Complies
JP Monograph
(2) Related substances Each area of the peaks other than mecobalamin is not larger than 0.5% of the peak area of mecobalamin Complies JP Monograph/JP <2.01> The total area of the peaks other than mecobalamin is not larger than 2.0% 0.69% Water ≤11.5% 4.72% JP Monograph/ JP <2.48> Assay ≥98.5% 99.6% JP Monograph Residual solvent Acetone ≤0.5% 0.02% in house/ ( GC) Total plate count ≤800 cfu/g <10cfu/g Ch.P.Appendix XI J Yeasts and Molds ≤80 cfu/g <10cfu/g E.coli Negative Complies Conclusion : The product complies with the specification of JP XVI and in house standard