English name: Terramycin; Oxytetracycline
Other names: Oxytetracycline base; Dimycin; Oxytetracycline; 4-Dimethylamino-1,4,4a, 5,5a, 6,11,12a-octahydro-3,5,6,10,12, 12a-Hexahydroxy-6-methyl-1,11-dioxo-naphthalene-2-carboxamide
CAS number: 79-57-2
C22H24N2O9 = 460.44
Level: USP level
Content: 95.0 ～ 100.5%
Potency: ≥930u / mg
PH: 4.5 ～ 7.5
Specific optical rotation: -203 ～ -216º
Absorption coefficient 353nm: 290 ～ 310
Impurity absorption 430nm: ≤0.25
Impurity absorption 490nm: ≤0.20
Heavy metals: ≤0.005%
Properties: light yellow to yellow crystalline powder. Melting point 181-182 ° C (decomposition). Slightly soluble in ethanol, very slightly soluble in water. It is stable in air, darkens in daylight, and is easily destroyed in alkaline solutions.
Uses: Biochemical research is a broad-spectrum antibiotic extracted from the culture solution of Streptococcus fragilis. Its antibacterial spectrum, antibacterial effect and use are basically the same as tetracycline and chlortetracycline.
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