English name: Terramycin; Oxytetracycline
Other names: oxytetracycline base; oxytetracycline; oxytetracycline; 4-dimethylaminopyridine -144a, 55a, 61112a- octahydro -356101212a- six-hydroxy-6-methyl--111- dioxo - tetracene - 2- carboxamide; 4- (dimethylamino) -144A, 55A, 61112A- octahydro -356101212A- six-hydroxy-6-methyl-dicarbonyl -111- - [4S- (4α, 4Aα, 5α, 5Aα, 6β, 12Aα)] - 2- naphthalene-carboxamide
C22H24N2O9 = 460.44
Level: USP grade
Content: 95.0 to 100.5%
Titer: ≥930u / mg
PH: 4.5 ~ 7.5
Specific rotation: -203 ~ -216º
Absorption coefficient 353nm: 290 ~ 310
Impurity absorption 430nm: ≤0.25
Impurity absorption 490nm: ≤0.20
Heavy Metal: ≤0.005%
Properties: light yellow to yellow crystalline powder Melting point 181-182 ℃ (decomposition) slightly soluble in ethanol, very slightly soluble in water, stable in air, in the sun darkened, easily destroyed in an alkaline solution...
Use: Biochemical studies, is extracted from the crack-like medium chain wire bacteria broad-spectrum antibiotic, antibacterial spectrum, antibacterial effect and uses substantially tetracycline, chlortetracycline same.