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CENTA is a colorimetric cephalosporin substrate for beta-lactamases. Upon hydrolysis by beta-lacatamases, CENTA turns from light yellow to chrome yellow, which can be quantified by colorimetric detection at 405 nm as a measure of beta-lactamase activity.Formal Name: (6R,7R)-3-[[(3-carboxy-4-nitrophenyl)thio]methyl]-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS Number: 80072-86-2. Molecular Formula: C21H17N3O8S3. Formula Weight: 535.6. Purity: >95%. Formulation: (Request formulation change), A solid. Solubility: Methanol: soluble. SMILES: O=C(C(N12)=C(CSC3=CC=C([N+]([O-])=O)C(C(O)=O)=C3)CS[C@]2([H])[C@H](NC(CC4=CC=CS4)=O)C1=O)O. InChi Code: InChI=1S/C21H17N3O8S3/c25-15(7-11-2-1-5-33-11)22-16-18(26)23-17(21(29)30)10(9-35-19(16)23)8-34-12-3-4-14(24(31)32)13(6-12)20(27)28/h1-6,16,19H,7-9H2,(H,22,25)(H,27,28)(H,29,30)/t16-,19-/m1/s1. InChi Key: PFVWVVUSAORMBB-VQIMIIECSA-N.
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