7-ADCA
7-氨基-3-去乙酰氧基头孢烷酸(简称7-ADCA)
英文名称: 7-Aminodesacetoxycephalosporanic acid
分子式：C8H10O3N2S
分子量：214.24 CAS
CAS RN:22252-43-3
EINECS 登录号 244-870-1
含量(HPLC)≥98.0%
干燥失重 ≤1.0%
比旋度[α]2D0 +150°～170°
吸收系数E11c%m ( 263nm) 335～375
色泽(425nm吸收值） ≤0.3
性质: 白色或类白色结晶粉末
作用：是一种重要的半合成的中间体
English name : 7-Aminodesacetoxycephalosporanic acid
Molecular formula : C8H10O3N2S
Molecular Weight : 214.24 CAS
CAS RN: 22252-43-3
EINECS registry number 244-870-1
Content (HPLC) ≥98.0%
Loss on drying ≤1.0%
Specific rotation [α] 2D0 + 150 ° ~ 170 °
Absorption coefficient E11c% m (263nm) 335 ~ 375
Color (425nm absorbance ) ≤0.3
Properties: white or almost white crystalline powder
Role: is an important semi-synthetic cephalosporin antibiotic intermediates in the pharmaceutical industry for the synthesis of cephalexin, cephradine, cefaclor , cefetamet esters and cefadroxil and other drugs , these drugs are used in an amount representing the market large antibiotics.
