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
|