99% doxycycline hcl
Product Description
Item |
Specification |
Characteristics |
Yellow crystalline powder |
Identification |
a) HPLC results b) TLC results c) Color reaction with sulfuric acid d) Color reaction with silver nitrate |
PH |
2.03.0 |
Specific optical rotation |
-105-120 Deg. |
Specific absorbance at 349nm |
300-335 |
Light-absorbing impurities 490nm |
0.07 max
|