联系人 Mr. Shawn
No.21 Ruijin Road, Nanjing, Jiangsu
Test items Standard
1. Description White to off white crystalline powder
a. Melting point **5~**9c
b. Specific rotation **7~ **2°
2. Identification
a. Chemical reaction Meet the requirement
b. (HPLC) Meet the requirement
c. IR Meet the requirement
3. Related substances
Single impurity 0.5%Max
Total impurity 1.5%Max
Isomer *0%Max
4. Water 2.5~3.5%
5. Residue in ignition 0.1%Max
6. Heavy metals *0ppm Max
7. Volatile impurities
Ethanol 0.5%Max
Ethyl acetate 0.5%Max
Petroleum ether 0.1%Max
8. Assay *8.5% min
