Hot pharmaceutical raw material Oxytetracycline Base USP

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