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Lactams

Organic heterocyclic compounds that contain a cyclic amide; amide groups consist of a carbonyl carbon atom linked by a single bond to a nitrogen atom and either a hydrogen or a carbon atom. These compounds are the nitrogen analogs of lactones.

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1

E-Ceftazidime, TRC

CAS: 97148-38-4 Molecular Formula: C22H22N6O7S2 Molecular Weight (g/mol): 546.58 Synonym: (6R,7R)-7-((E)-2-(2-Aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate,Ceftazidime Impurity B IUPAC Name: (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate SMILES: CC(C)(O\N=C(\C(=O)N[C@H]1[C@H]2SCC(=C(N2C1=O)C(=O)[O-])C[n+]3ccccc3)/c4csc(N)n4)C(=O)O

CAS 97148-38-4
Molecular Weight (g/mol) 546.58
SMILES CC(C)(O\N=C(\C(=O)N[C@H]1[C@H]2SCC(=C(N2C1=O)C(=O)[O-])C[n+]3ccccc3)/c4csc(N)n4)C(=O)O
Synonym (6R,7R)-7-((E)-2-(2-Aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate,Ceftazidime Impurity B
IUPAC Name (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Molecular Formula C22H22N6O7S2
2

Desacetyloxyethyl (E)-Cefuroxime Axetil, TRC

CAS: 97232-97-8 Molecular Formula: C16 H16 N4 O8 S Molecular Weight (g/mol): 424.39 Synonym: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-[[(2E)-2-(2-furanyl)-2-(methoxyimino)acetyl]amino]-8-oxo-, (6R,7R)-,5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-[[2-furanyl(methoxyimino)acetyl]amino]-8-oxo-, [6R-[6α,7β(E)]]- (9CI),(6R,7R)-3-[[(Aminocarbonyl)oxy]methyl]-7-[[(2E)-2-(2-furanyl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,Cefuroxime Imp. E (EP),trans-Cefuroxime,(E)-Cefuroxime,Desacetyloxyethyl (E)-Cefuroxime axetil,(6R,7R)-3-[(Carbamoyloxy)methyl]-7-[[(E)-(furan-2-yl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid IUPAC Name: (6R,7R)-3-(carbamoyloxymethyl)-7-[[(2E)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid SMILES: CO\N=C(\C(=O)N[C@H]1[C@H]2SCC(=C(N2C1=O)C(=O)O)COC(=O)N)/c3occc3

CAS 97232-97-8
Molecular Weight (g/mol) 424.39
SMILES CO\N=C(\C(=O)N[C@H]1[C@H]2SCC(=C(N2C1=O)C(=O)O)COC(=O)N)/c3occc3
Synonym 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-[[(2E)-2-(2-furanyl)-2-(methoxyimino)acetyl]amino]-8-oxo-, (6R,7R)-,5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-[[2-furanyl(methoxyimino)acetyl]amino]-8-oxo-, [6R-[6α,7β(E)]]- (9CI),(6R,7R)-3-[[(Aminocarbonyl)oxy]methyl]-7-[[(2E)-2-(2-furanyl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,Cefuroxime Imp. E (EP),trans-Cefuroxime,(E)-Cefuroxime,Desacetyloxyethyl (E)-Cefuroxime axetil,(6R,7R)-3-[(Carbamoyloxy)methyl]-7-[[(E)-(furan-2-yl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
IUPAC Name (6R,7R)-3-(carbamoyloxymethyl)-7-[[(2E)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular Formula C16 H16 N4 O8 S
3

N-Methylcaprolactam, 96%

CAS: 2556-73-2 Molecular Formula: C7H13NO Molecular Weight (g/mol): 127.187 MDL Number: MFCD00003263 InChI Key: ZWXPDGCFMMFNRW-UHFFFAOYSA-N Synonym: n-methylcaprolactam,1-methylcaprolactam,n-methyl-.epsilon.-caprolactam,2h-azepin-2-one, hexahydro-1-methyl,n-methyl-e-caprolactam,epsilon-caprolactam, n-methyl,2h-azepin-2-one, hexahydro-n-methyl,hexahydro-n-methyl-2h-azepin-2-one,n-methyl-epsilon-caprolactam,n-methyl caprolactam PubChem CID: 17369 IUPAC Name: 1-methylazepan-2-one SMILES: CN1CCCCCC1=O

PubChem CID 17369
CAS 2556-73-2
Molecular Weight (g/mol) 127.187
MDL Number MFCD00003263
SMILES CN1CCCCCC1=O
Synonym n-methylcaprolactam,1-methylcaprolactam,n-methyl-.epsilon.-caprolactam,2h-azepin-2-one, hexahydro-1-methyl,n-methyl-e-caprolactam,epsilon-caprolactam, n-methyl,2h-azepin-2-one, hexahydro-n-methyl,hexahydro-n-methyl-2h-azepin-2-one,n-methyl-epsilon-caprolactam,n-methyl caprolactam
IUPAC Name 1-methylazepan-2-one
InChI Key ZWXPDGCFMMFNRW-UHFFFAOYSA-N
Molecular Formula C7H13NO