English name: Tetracycline
Other names: Tetracycline base; 4- (dimethylamino) -144A, 55A, 61112A- -36101212A- five octahydro-hydroxy-6-methyl-2-naphthalene dicarbonyl -111- carboxamide
C22H24N2O8 • xH2O = 444.43
Melting point: 172 ~ 174 ℃
Moisture: 11% 4
Traits: yellow crystalline powder, slightly soluble in water, soluble in ethanol and acetone, stable in air, but easy to absorb moisture, exposed to strong sunlight discoloration
Use: Biochemical studies by the Streptomyces Strepto-myces aureofaciens extracted broad-spectrum antibiotics against Gram-positive bacteria and negative bacteria, protozoa, mycoplasma, spirochetes have antibacterial activity...
Save: 2 ~ 8 ℃, dark