Beta lactams

Sulbactam, Acros Organics™

CAS: 68373-14-8 Molecular Formula: C8H11NO5S Molecular Weight (g/mol): 233.238 InChI Key: FKENQMMABCRJMK-RITPCOANSA-N Synonym: 2s,5r-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo 3.2.0 heptane-2-carboxylic acid 4,4-dioxide PubChem CID: 130313 ChEBI: CHEBI:9321 IUPAC Name: (2S,5R)-3,3-dimethyl-4,4,7-trioxo-4$l^{6}-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid SMILES: CC1(C(N2C(S1(=O)=O)CC2=O)C(=O)O)C

Alfa Aesar™ 7-Aminodesacetoxycephalosporanic acid, 98%

CAS: 22252-43-3 Molecular Formula: C8H10N2O3S Molecular Weight (g/mol): 214.239 MDL Number: MFCD00151456 InChI Key: NVIAYEIXYQCDAN-CLZZGJSISA-N Synonym: 6r,7r-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo 4.2.0 oct-2-ene-2-carboxylic acid PubChem CID: 33498 ChEBI: CHEBI:64984 IUPAC Name: (6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid SMILES: CC1=C(N2C(C(C2=O)N)SC1)C(=O)O

4-Acetoxy-2-azetidinone, 97%, Acros Organics™

CAS: 28562-53-0 Molecular Formula: C5H7NO3 Molecular Weight (g/mol): 129.115 InChI Key: OEYMQQDJCUHKQS-UHFFFAOYSA-N Synonym: 2-azetidinone, 4-acetyloxy PubChem CID: 119981 IUPAC Name: (4-oxoazetidin-2-yl) acetate SMILES: CC(=O)OC1CC(=O)N1

7-Aminocephalosporanic Acid 97.0+%, TCI America™

CAS: 957-68-6 Molecular Formula: C10H12N2O5S Molecular Weight (g/mol): 272.275 MDL Number: MFCD00005177 InChI Key: HSHGZXNAXBPPDL-HZGVNTEJSA-N Synonym: 6r,7r-3-acetoxymethyl-7-amino-8-oxo-5-thia-1-azabicyclo 4.2.0 oct-2-ene-2-carboxylic acid PubChem CID: 441328 ChEBI: CHEBI:2255 IUPAC Name: (6R,7R)-3-(acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid SMILES: CC(=O)OCC1=C(N2C(C(C2=O)N)SC1)C(=O)O

Alfa Aesar™ Aztreonam

CAS: 78110-38-0 Molecular Formula: C13H17N5O8S2 Molecular Weight (g/mol): 435.426 MDL Number: MFCD00072145 InChI Key: WZPBZJONDBGPKJ-PSGLRMFWSA-N PubChem CID: 56842327 IUPAC Name: 2-[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R,3R)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid SMILES: CC1C(C(=O)N1S(=O)(=O)O)NC(=O)C(=NOC(C)(C)C(=O)O)C2=CSC(=N2)N

Aztreonam, Acros Organics™

CAS: 78110-38-0 Molecular Formula: C13H17N5O8S2 Molecular Weight (g/mol): 435.426 InChI Key: WZPBZJONDBGPKJ-PSGLRMFWSA-N PubChem CID: 56842327 IUPAC Name: 2-[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R,3R)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid SMILES: CC1C(C(=O)N1S(=O)(=O)O)NC(=O)C(=NOC(C)(C)C(=O)O)C2=CSC(=N2)N

Alfa Aesar™ 7-Aminocephalosporanic acid, 98% (dry wt.), may cont. up to 2% water

CAS: 957-68-6 Molecular Formula: C10H12N2O5S Molecular Weight (g/mol): 272.275 MDL Number: MFCD00005177 InChI Key: HSHGZXNAXBPPDL-HZGVNTEJSA-N Synonym: 6r,7r-3-acetoxymethyl-7-amino-8-oxo-5-thia-1-azabicyclo 4.2.0 oct-2-ene-2-carboxylic acid PubChem CID: 441328 ChEBI: CHEBI:2255 IUPAC Name: (6R,7R)-3-(acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid SMILES: CC(=O)OCC1=C(N2C(C(C2=O)N)SC1)C(=O)O

Tazobactam sodium, Alfa Aesar™

CAS: 89785-84-2 Molecular Formula: C10H12N4NaO5S Molecular Weight (g/mol): 323.279 MDL Number: MFCD00917472 InChI Key: ZUNWFYFXHGWFRA-QVUDESDKSA-N Synonym: tazobactam sodium salt PubChem CID: 66636300 IUPAC Name: (2S,3S,5R)-3-methyl-4,4,7-trioxo-3-(triazol-1-ylmethyl)-4$l^{6}-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid;sodium SMILES: CC1(C(N2C(S1(=O)=O)CC2=O)C(=O)O)CN3C=CN=N3.[Na]

(4R)-N-(tert-Butyldimethylsilyl)azetidin-2-one-4-carboxylic acid, 99%, ACROS Organics™

CAS: 162856-35-1 Molecular Formula: C10H19NO3Si Molecular Weight (g/mol): 229.35 InChI Key: LIEWITJXZYCDLE-SSDOTTSWSA-N Synonym: 1-tert-butyldimethylsilyl-4-oxoazetidine-2 r-carboxylic acid PubChem CID: 2733822 IUPAC Name: (2R)-1-[tert-butyl(dimethyl)silyl]-4-oxoazetidine-2-carboxylic acid SMILES: CC(C)(C)[Si](C)(C)N1C(CC1=O)C(=O)O

Sulbactam, 98%, Alfa Aesar™

CAS: 68373-14-8 Molecular Formula: C8H11NO5S Molecular Weight (g/mol): 233.238 MDL Number: MFCD00867005 InChI Key: FKENQMMABCRJMK-RITPCOANSA-N Synonym: 2s,5r-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo 3.2.0 heptane-2-carboxylic acid 4,4-dioxide PubChem CID: 130313 ChEBI: CHEBI:9321 IUPAC Name: (2S,5R)-3,3-dimethyl-4,4,7-trioxo-4$l^{6}-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid SMILES: CC1(C(N2C(S1(=O)=O)CC2=O)C(=O)O)C

7-Aminocephalosporanic acid, 95-102%, ACROS Organics™

CAS: 957-68-6 Molecular Formula: C10H12N2O5S Molecular Weight (g/mol): 272.27 MDL Number: MFCD00005177 InChI Key: HSHGZXNAXBPPDL-HZGVNTEJSA-N Synonym: 6r,7r-3-acetoxymethyl-7-amino-8-oxo-5-thia-1-azabicyclo 4.2.0 oct-2-ene-2-carboxylic acid PubChem CID: 441328 ChEBI: CHEBI:2255 IUPAC Name: (6R,7R)-3-(acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid SMILES: CC(=O)OCC1=C(N2C(C(C2=O)N)SC1)C(=O)O

Tazobactam, 94%, Alfa Aesar™

CAS: 89786-04-9 Molecular Formula: C10H12N4O5S Molecular Weight (g/mol): 300.289 MDL Number: MFCD00867002 InChI Key: LPQZKKCYTLCDGQ-WEDXCCLWSA-N Synonym: 2s,3s,5r-3-methyl-7-oxo-3-1h-1,2,3-triazol-1-ylmethyl-4-thia-1-azabicyclo 3.2.0 heptane-2-carboxylic acid 4,4-dioxide PubChem CID: 123630 ChEBI: CHEBI:9421 IUPAC Name: (2S,3S,5R)-3-methyl-4,4,7-trioxo-3-(triazol-1-ylmethyl)-4$l^{6}-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid SMILES: CC1(C(N2C(S1(=O)=O)CC2=O)C(=O)O)CN3C=CN=N3

(4S)-N-(tert-Butyldimethylsilyl)azetidin-2-one-4-carboxylic acid, 99%, ACROS Organics™

CAS: 82938-50-9 Molecular Formula: C10H19NO3Si Molecular Weight (g/mol): 229.351 MDL Number: MFCD01862126 InChI Key: LIEWITJXZYCDLE-ZETCQYMHSA-N Synonym: 2s-1-tert-butyl dimethyl silyl-4-oxo-azetidine-2-carboxylic acid PubChem CID: 10489602 IUPAC Name: (2S)-1-[tert-butyl(dimethyl)silyl]-4-oxoazetidine-2-carboxylic acid SMILES: CC(C)(C)[Si](C)(C)N1C(CC1=O)C(=O)O

Aztreonam, 95.7%, MP Biomedicals™

CAS: 78110-38-0 Molecular Formula: C13H17N5O8S2 Molecular Weight (g/mol): 435.426 InChI Key: WZPBZJONDBGPKJ-PSGLRMFWSA-N Synonym: Azactam PubChem CID: 56842327 IUPAC Name: 2-[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R,3R)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid SMILES: CC1C(C(=O)N1S(=O)(=O)O)NC(=O)C(=NOC(C)(C)C(=O)O)C2=CSC(=N2)N

(3S,4S)-3-[(R)-1-(tert-Butyldimethylsilyloxy)ethyl]-4-[(R)-1-carboxyethyl]-2-azetidinone 98.0+%, TCI America™

CAS: 90776-58-2 Molecular Formula: C14H27NO4Si Molecular Weight (g/mol): 301.458 MDL Number: MFCD00272297 InChI Key: NNANGMFTFSNDLW-GWOFURMSSA-N PubChem CID: 9882831 IUPAC Name: (2R)-2-[(2S,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl]propanoic acid SMILES: CC(C1C(NC1=O)C(C)C(=O)O)O[Si](C)(C)C(C)(C)C

7-Aminodesacetoxycephalosporanic Acid 98.0+%, TCI America™

CAS: 22252-43-3 Molecular Formula: C8H10N2O3S Molecular Weight (g/mol): 214.239 MDL Number: MFCD00151456 InChI Key: NVIAYEIXYQCDAN-CLZZGJSISA-N Synonym: 6r,7r-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo 4.2.0 oct-2-ene-2-carboxylic acid PubChem CID: 33498 ChEBI: CHEBI:64984 IUPAC Name: (6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid SMILES: CC1=C(N2C(C(C2=O)N)SC1)C(=O)O

Aztreonam MP Biomedicals

CAS: 78110-38-0 Molecular Formula: C13H17N5O8S2 Molecular Weight (g/mol): 435.426 InChI Key: WZPBZJONDBGPKJ-PSGLRMFWSA-N Synonym: 2-1-2-amino-4-thiazolyl-2-2r-2alpha-methyl-4-oxo-1-sulfo-3beta-azetidinyl amino-2-oxoethylidene amino oxy-2-methylpropanoic acid PubChem CID: 56842327 IUPAC Name: 2-[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R,3R)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid SMILES: CC1C(C(=O)N1S(=O)(=O)O)NC(=O)C(=NOC(C)(C)C(=O)O)C2=CSC(=N2)N

Aztreonam 98.0+%, TCI America™

CAS: 78110-38-0 Molecular Formula: C13H17N5O8S2 Molecular Weight (g/mol): 435.426 MDL Number: MFCD00072145 InChI Key: WZPBZJONDBGPKJ-PSGLRMFWSA-N Synonym: 2-1-2-amino-4-thiazolyl-2-2r-2alpha-methyl-4-oxo-1-sulfo-3beta-azetidinyl amino-2-oxoethylidene amino oxy-2-methylpropanoic acid PubChem CID: 56842327 IUPAC Name: 2-[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R,3R)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid SMILES: CC1C(C(=O)N1S(=O)(=O)O)NC(=O)C(=NOC(C)(C)C(=O)O)C2=CSC(=N2)N

Sulbactam 98.0+%, TCI America™

CAS: 68373-14-8 Molecular Formula: C8H11NO5S Molecular Weight (g/mol): 233.238 MDL Number: MFCD00867005 InChI Key: FKENQMMABCRJMK-RITPCOANSA-N Synonym: 2s,5r-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo 3.2.0 heptane-2-carboxylic acid 4,4-dioxide PubChem CID: 130313 ChEBI: CHEBI:9321 IUPAC Name: (2S,5R)-3,3-dimethyl-4,4,7-trioxo-4$l^{6}-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid SMILES: CC1(C(N2C(S1(=O)=O)CC2=O)C(=O)O)C

4-Benzoyloxy-2-azetidinone 98.0+%, TCI America™

CAS: 28562-58-5 Molecular Formula: C10H9NO3 Molecular Weight (g/mol): 191.186 MDL Number: MFCD00012317 InChI Key: HJJGOOONOIFDRH-UHFFFAOYSA-N PubChem CID: 2724624 IUPAC Name: (4-oxoazetidin-2-yl) benzoate SMILES: C1C(NC1=O)OC(=O)C2=CC=CC=C2

4-(Phenylsulfonyl)-2-azetidinone 98.0+%, TCI America™

CAS: 31899-01-1 Molecular Formula: C9H9NO3S Molecular Weight (g/mol): 211.235 MDL Number: MFCD00272351 InChI Key: HTSFUAPDRXCYDV-UHFFFAOYSA-N PubChem CID: 4589027 IUPAC Name: 4-(benzenesulfonyl)azetidin-2-one SMILES: C1C(NC1=O)S(=O)(=O)C2=CC=CC=C2

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