Cefalotin (INN) or cephalothin (USAN) is a first-generation cephalosporin antibiotic. It was the first cephalosporin marketed (1964) and continues to be widely used. It is an intravenously administered agent with a similar antimicrobial spectrum to cefazolin and the oral agent cefalexin. Cefalotin sodium is marketed as Keflin (Lilly) and under other trade names.

CAS：153-61-7
中文别名：头孢噻吩酸;
英文别名：Cefalotina;Cefalothin;Coaxin;Cefalotine;Cefalotinum;(6R,7R)-3-(acetyloxymethyl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;Cephalothinum;Cephalothin;Cemastin;Cefalotin;Cephalotin;
分子式：C16H16N2O6S2
分子量：396.438
精确质量：396.045
Psa：166.55
Logp：0.9211

EINECS号：205-815-7

外观与性状：白色晶体粉末
密度：1.56 g/cm3
沸点：757.2ºC at 760 mmHg
熔点：160-161ºC
闪点：411.8ºC
折射率：1.675
水溶解性：158 MG/L
储存条件：库房低温通风干燥
蒸汽压：4.25E-24mmHg at 25°C

用途
抗菌素治疗各种感染。