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perfect D-CALCIUM PANTOTHENATE quality guaranteed 137-08-6 first-class 137-08-6
perfect D-CALCIUM PANTOTHENATE quality guaranteed first-class 137-08-6
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English Name:D-Calcium Pantothenate
Common Name:Dextro-calcium pantothenate
Other Name:Vitamin B5
CAS:137-08-6
M.F.:C18H32CaN2O10
M.W.:476.53
Properties:D-calcium pantothenate is a white powder, no smelly odor, tastes a little bitter, has hydroscopic property. Its aqueous solution shows neutrality or slightly alkaline, easy to dissolve in water, slightly solvable in ethanol, almost can not dissolve in chloroform or aether.
Items | Standards | ||
Appearance | White powder | ||
Specific optical rotation | +25℃~+27.5℃ | ||
Loss on drying | Not more than 5.0% | ||
Heavy metals | Not more than 20ppm | ||
Ordinary impurities | Not more than 1.0% | ||
Organic volatile impurities | Meet the requirements | ||
Nitrogen content | 5.7%~6.0% | ||
Assay | 98%-101% | ||
Content of calcium | 8.2~8.6% | ||
Total Plate count | <1000CFU/g | ||
Mold and Yeast | <100 CFU/g |
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