D-Calcium pantothenate(Vitamin B5) CAS#137-08-6  Descriptions White powder Identification positive reaction Specific Rotation '+25.0~+27.5 Alkalinity Meets to Standard Nitrogen Content 5.7%~6.0% Calcium Content 8.2%~8.6% Loss on drying below 5.0% Assay 98%~101% Heavy Metals below 0.002% Ordinary Impurities Meets to Standard Organic Volatile Impurities Meets to Standard CONFORM TO THE SPECIFICATION OF USP26