Tazobactam 89786-04-9 Synonyms: 3-methyl-2,2,6-trioxo-3-(triazol-1-ylmethyl)-2{6}-thia-5-azabicyclo [3.2.0]heptane-***rboxylic acid CAS NO: 89786-04-9 Packing: 10 Kg/Tin (Offer alternative packing on request) Specification: National Standard Usage: APIs For Pharmaceutical use. Technical information pages (TIP)