強(qiáng)力***
Doxycycline Hyclate
C22H24N2O8·HCl·1/2C2H6O·1/2H2O 512.9 [24390-14-5]
質(zhì)量標(biāo)準(zhǔn):
英國藥典2000版
性狀:***結(jié)晶粉末
PH值:2.0~3.0
比旋度:-105°~ -120°
吸光率:349nm下300~335
雜質(zhì)光吸收:490nm下≤0.07
相關(guān)雜質(zhì):
乙醇:4.3~6.0
***:≤50ppm
水分:1.4%~2.8%
***鹽灰燼:≤0.4%
***內(nèi)***:≤1.14 I.U./mg
Quality standard:
BP2000
Characters: A yellow crystalline powder
PH: 2.0~3.0
Specific optical rotation : -105°~ -120°
Absorbance: 300~335@349nm
Light-absorbing impurities: ≤0.07@490nm
Related substances
Ethanol: 4.3~6.0
He***y metals: ≤50ppm
Water: 1.4%~2.8%
Sulphated ash: ≤0.4%
Bacterial endotoxins: ≤1.14 I.U./mg