CDS024521

Ceftazidime impurity B

• Synonym(s): (6R,7R)-7-({(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(1-carboxy-1-methylethoxy)imino]ethanoyl}amino)-8-oxo-3-(1-pyridiniumylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
• Empirical Formula (Hill Notation): C₂₂H₂₂N₆O₇S₂
• Molecular Weight: 546.58
• MDL number: MFCD21363483
• UNSPSC Code: 12352200
• PubChem Substance ID: 329797805

Properties

• description: Aldrich^CPR
• form: solid
• SMILES string: [H][C@]12SCC(C[N+]3=CC=CC=C3)=C(C([O-])=O)N1C([C@H]2NC(/C(C4=CSC(N)=N4)=N/OC(C)(C(O)=O)C)=O)=O
• InChI: 1S/C22H22N6O7S2/c1-22(2,20(33)34)35-26-13(12-10-37-21(23)24-12)16(29)25-14-17(30)28-15(19(31)32)11(9-36-18(14)28)8-27-6-4-3-5-7-27/h3-7,10,14,18H,8-9H2,1-2H3,(H4-,23,24,25,29,31,32,33,34)/b26-13+/t14-,18-/m1/s1
• InChI key: ORFOPKXBNMVMKC-KZBLUZIOSA-N

Description

Other Notes

Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of unique chemicals. Sigma-Aldrich does not collect analytical data for this product. Buyer assumes responsibility to confirm product identity and/or purity. All sales are final.

NOTWITHSTANDING ANY CONTRARY PROVISION CONTAINED IN SIGMA-ALDRICH′S STANDARD TERMS AND CONDITIONS OF SALE OR AN AGREEMENT BETWEEN SIGMA-ALDRICH AND BUYER, SIGMA-ALDRICH SELLS THIS PRODUCT "AS-IS" AND MAKES NO REPRESENTATION OR WARRANTY WHATSOEVER WITH RESPECT TO THIS PRODUCT, INCLUDING ANY (A) WARRANTY OF MERCHANTABILITY, (B) WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, OR (C) WARRANTY AGAINST INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OF A THIRD PARTY, WHETHER ARISING BY LAW, COURSE OF DEALING, COURSE OF PERFORMANCE, USAGE OF TRADE OR OTHERWISE.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable