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Chemical Name: Cefatrizine, ANTIBIOTIC BL-640
IUPAC NAME: (6R,7R)-7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-
2-ene-2-carboxylic acid
CAS No.: 51627-14-6
EINECS: 257-324-2
Molecular Formula: C18H18N6O5S2
Molecular Weight: 538.6 g/mol
Density: 1.73 g/cm3 
Flash Point: 527.2 °C
Boiling Point: 948.1 °C at 760 mmHg 
Structural Formula:

The chemical synonymous of ANTIBIOTIC BL-640 (51627-14-6) are CEFATRIZINE ; CEFATRIZINE PROPYLENE GLYCOL ; 7-[2-(4-hydroxyphenyl)-2-aminoacetamido]-3-(1,2,3-triazole-4-ylthio)methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ; antibioticbl-640 ; antibioticbl-s640 ; bls640 ; cephatriazine ; eta(r)))-


 ANTIBIOTIC BL-640 (51627-14-6) is primarily used to treat liver and gallbladder infections caused by susceptible strains, urinary tract infections, respiratory infections, septicemia, endocarditis and meningitis and other illnesses.