CARTAP CAS NO.15263-52-2

Cartap is usually made into hydrochloride salt, the appearance is white crystal, with a slightly strange smell. mp183 ～ 183.5 ℃ (decomposition) (the melting point of the original drug is 179 ～ 181 ℃); slightly soluble in methanol, insoluble in ethanol, insoluble in acetone, ether, chloroform, hexane, benzene and other organic solvents; The solubility is 200g / L. Stable in acidic media, unstable in alkaline media. No change in storage at 40 ° C and 60 ° C for 3 months, no change in airtight storage at room temperature, slightly hygroscopic, corrosive to metals such as iron. Its free alkali melting point is 130.5 ~ 131 ℃.