1.Oxytetracycline Base 2.Quality Standard: CP/USP/ BP/EP 3.best price. 4. GMP certified CAS NO: 79-57-2
Hot pharmaceutical raw material Oxytetracycline Base USP
Pale yellow to yellow crystal powder.
Melting point of 181-182 °C (breakdown).
Slightly soluble in ethanol, and very slightly soluble in water.
In the air in the stable, in the sun, darker color, alkali solution in easy be destroyed.
Oxytetracycline base
formula :C22H24N2O9formula weight:460.44
CAS NO :79-57-2
Item | Standard |
Description | Yellow crystalline powder |
Identification | According to BP2007 |
PH | 2.3~2.9 |
Absorbance(353nm, PH2.0) | 270~290 |
Specific optical Rotation | -188°~ -200° |
Heavy metals | ≤50ppm |
Light absorbing impurities | 1) Absorbance at 430nm shall not be more than 0.50 2) Absorbance at 490nm shall not be more than 0.20 |
Related substances | Content of impurity peak meets the requirements |
Sulfated ash | ≤0.5% |
Water | ≤2.0% |
HPLC assay | 95.0%~102.0% |
Hot pharmaceutical raw material Oxytetracycline Base USP
