CHANGZHOU HIGHASSAY® CHEMICAL CO., LTD

Spiramycin 8025-81-8

Item Code:8025-81-8 Features:EP
  • Description
Product name
Spiramycin EP
CAS NO.
8025-81-8
Appearance
white or slightly yellowish powder
Solubility
Slightly soluble in water, freely soluble in acetone, in ethanol(96%) and in methanol
PH
8.5-10.5
Specific optical rotation
-80°to -85°
Composition (HPLC)
Spiramycin I: 80.0% min
Spiramycin II: 5.0% max
Spiramycin III: 10.0% max
Total spiramycins:90.0% min
Related substance (HPLC)
2.0% max
Heavy metals
20ppm max
Loss on drying
3.5% max
Sulfated ash
0.1% max
Assay (dried substance)
4100 IU/mg min
Package
25kg/drum

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