Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
CAS NO.71963-77-4
ITEMS |
SPECIFICATION |
RESULTS |
DESCRIPTION |
WHITE CRYSTALS OR CRYSTALLINE POWDER; ODORLESSL TASTE, SLIGHTLY BITTER. |
WHITE CRYSTALS; ODORLESS; TASTE, SLIGHTLY BITTER. |
SOLUBILITY |
VERY SOLUBLE IN ACETONE OR CHLOROFORM; SOLUBLE IN ETHANOL OR ETHYL ACETATE; PRACTICALLY INSOLUBLE IN WATER |
CONFORMS |
MELTING RANGE |
86~90°C |
89.5~90.0°C |
SPECIFIC OPTICAL ROTATION |
+168~+173° |
+169° |
IDENTIFICATION |
1) CHEMICAL REACTION, POSITIVE 2) CHEMICAL REACTION, POSITIVE 3) TLC, THE COLOR AND POSITION OF THE PRINCIPAL SPOT CORRESPONDS TO THOSE OF THE PRINCIPAL SPOT OBTAINED WITH THE REF.SOL. 4) IR, THE INFRARED ABSORPTION SPECTRUM IS CONCORDANT WITH THE REFERENCE SPECTRUM OF ARTEMETHER CRS |
POSITIVE POSITIVE CONFORMS CONFORMS |
RELATED SUBSTANCES |
TLC: MEETS THE REQUIREMENTS |
CONFORMS |
CHLORIDES |
NOT MORE PRONOUNCED THAN THAT OF STANDARD SOLUTION (0.0`%) |
<0.01% |
LOSS ON DRYING |
NMT 0.5% |
0.02% |
RESIDUE ON IGNIITON |
NMT 0.1% |
0.06% |
ASSAY |
HPLC METHOD: 98.0~102.0%, CALCULATED ON DRIED BASIS |
99.2% |
CONCLUSION:CONFORM WITH THE REQUIREMENT OF CP2010. |