Cat. Name CAS. Structure Purity
M006260 (1α)-4-(Chloromethyl)-7-oxo-8β-amino-2-thia-6-az 106773-36-8 (1α)-4-(Chloromethyl)-7-oxo-8β-amino-2-thia-6-azabicyclo[4.2.0]octa-4-ene-5-carboxylic acid 4-methox ≥ 95%