为白色或类白色结晶性粉末,无臭、味微苦,易溶于水,溶于甲醇,略溶于丙酮,不溶于乙醇、氯仿、乙醚。本品为美国礼莱公司创制的第二代注射用半合成头抱菌素,对革兰氏阳性细菌的抗菌活性类似于第一代头抱菌素,对革兰氏阴性细菌的抗菌活性较为突出,尤其对厌氧梭状芽胞杆菌、流感杆菌、大肠杆菌、肺炎杆菌、叫 White or almost white crystalline powder, odorless, slightly bitter taste, soluble in water, soluble in methanol, slightly soluble in acetone, insoluble in ethanol, chloroform, ether. This product is the second generation of the United States Lilly Company created semi-synthetic injection of synthetic cephalosporins, the antibacterial activity against Gram-positive bacteria is similar to the first generation of cephalosporins, Gram-negative bacteria antibacterial activity more Prominent, especially for Clostridium difficile, Influenza, Escherichia coli, Klebsiella pneumoniae, called