Isoxazoles

Aromatic organic heterocyclic compounds that consist of an azole with a nitrogen atom and an oxygen atom with the formula: C3H3NO.

1 – 15 of 148 results

Sulfamethoxazole, 98%

CAS: 723-46-6 Molecular Formula: C10H11N3O3S Molecular Weight (g/mol): 253.276 MDL Number: MFCD00010546 InChI Key: JLKIGFTWXXRPMT-UHFFFAOYSA-N Synonym: sulfamethoxazole,sulphamethoxazole,sulfisomezole,gantanol,sulfamethoxazol,metoxal,sulfamethylisoxazole,simsinomin,radonil,sinomin PubChem CID: 5329 ChEBI: CHEBI:9332 IUPAC Name: 4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide SMILES: CC1=CC(=NO1)NS(=O)(=O)C2=CC=C(C=C2)N

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Specifications

PubChem CID	5329
CAS	723-46-6
Molecular Weight (g/mol)	253.276
ChEBI	CHEBI:9332
MDL Number	MFCD00010546
SMILES	CC1=CC(=NO1)NS(=O)(=O)C2=CC=C(C=C2)N
Synonym	sulfamethoxazole,sulphamethoxazole,sulfisomezole,gantanol,sulfamethoxazol,metoxal,sulfamethylisoxazole,simsinomin,radonil,sinomin
IUPAC Name	4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide
InChI Key	JLKIGFTWXXRPMT-UHFFFAOYSA-N
Molecular Formula	C10H11N3O3S

Sulfisoxazole, 99%, Thermo Scientific Chemicals

CAS: 127-69-5 Molecular Formula: C₁₁H₁₃N₃O₃S Molecular Weight (g/mol): 267.3 InChI Key: NHUHCSRWZMLRLA-UHFFFAOYSA-N Synonym: sulfisoxazole,sulfafurazole,sulphafurazole,sulfisoxazol,sulfafurazol,sulfaisoxazole,sulfofurazole,sulfisoxasole,sulphaisoxazole,sulfadimethylisoxazole PubChem CID: 5344 ChEBI: CHEBI:102484 IUPAC Name: 4-amino-N-(3,4-dimethyl-1,2-oxazol-5-yl)benzenesulfonamide SMILES: CC1=C(ON=C1C)NS(=O)(=O)C2=CC=C(C=C2)N

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Specifications

PubChem CID	5344
CAS	127-69-5
Molecular Weight (g/mol)	267.3
ChEBI	CHEBI:102484
SMILES	CC1=C(ON=C1C)NS(=O)(=O)C2=CC=C(C=C2)N
Synonym	sulfisoxazole,sulfafurazole,sulphafurazole,sulfisoxazol,sulfafurazol,sulfaisoxazole,sulfofurazole,sulfisoxasole,sulphaisoxazole,sulfadimethylisoxazole
IUPAC Name	4-amino-N-(3,4-dimethyl-1,2-oxazol-5-yl)benzenesulfonamide
InChI Key	NHUHCSRWZMLRLA-UHFFFAOYSA-N
Molecular Formula	C₁₁H₁₃N₃O₃S

PubChem CID	5329
CAS	723-46-6
Molecular Weight (g/mol)	253.276
ChEBI	CHEBI:9332
MDL Number	MFCD00010546
SMILES	CC1=CC(=NO1)NS(=O)(=O)C2=CC=C(C=C2)N
Synonym	sulfamethoxazole,sulphamethoxazole,sulfisomezole,gantanol,sulfamethoxazol,metoxal,sulfamethylisoxazole,simsinomin,radonil,sinomin
IUPAC Name	4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide
InChI Key	JLKIGFTWXXRPMT-UHFFFAOYSA-N
Molecular Formula	C10H11N3O3S

3,5-Dimethylisoxazole, 99%

CAS: 300-87-8 Molecular Formula: C5H7NO Molecular Weight (g/mol): 97.117 MDL Number: MFCD00003156 InChI Key: FICAQKBMCKEFDI-UHFFFAOYSA-N Synonym: 3,5-dimethylisoxazole,isoxazole, 3,5-dimethyl,3,5-dimethylisooxazole,3,5-dwumetyloizoksazolu,3,5-dwumetyloizoksazolu polish,3,5-dimethylisoxazol,pubchem8641,isoxazole,5-dimethyl,3,5-dimethyl-isoxazole PubChem CID: 9312 IUPAC Name: 3,5-dimethyl-1,2-oxazole SMILES: CC1=CC(=NO1)C

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Specifications

PubChem CID	9312
CAS	300-87-8
Molecular Weight (g/mol)	97.117
MDL Number	MFCD00003156
SMILES	CC1=CC(=NO1)C
Synonym	3,5-dimethylisoxazole,isoxazole, 3,5-dimethyl,3,5-dimethylisooxazole,3,5-dwumetyloizoksazolu,3,5-dwumetyloizoksazolu polish,3,5-dimethylisoxazol,pubchem8641,isoxazole,5-dimethyl,3,5-dimethyl-isoxazole
IUPAC Name	3,5-dimethyl-1,2-oxazole
InChI Key	FICAQKBMCKEFDI-UHFFFAOYSA-N
Molecular Formula	C5H7NO

3-Methylisoxazole-4-carboxylic acid, 98+%, Thermo Scientific Chemicals

CAS: 17153-20-7 Molecular Formula: C5H5NO3 Molecular Weight (g/mol): 127.099 MDL Number: MFCD01318161 InChI Key: YBLSBWHFPXDRHC-UHFFFAOYSA-N Synonym: 3-methylisoxazole-4-carboxylic acid,3-methyl-4-isoxazolecarboxylic acid,3-methyl-4-isoxazolecarboxylicacid,3-methyl-isoxazole-4-carboxylic acid,4-isoxazolecarboxylic acid, 3-methyl,3-methylisoxazole-4-carboxylicacid,pubchem10465,acmc-1c78i,3-methylisoxazole-s-carboxylic acid,4-isoxazolecarboxylicacid,3-methyl PubChem CID: 4589692 IUPAC Name: 3-methyl-1,2-oxazole-4-carboxylic acid SMILES: CC1=NOC=C1C(=O)O

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Specifications

PubChem CID	4589692
CAS	17153-20-7
Molecular Weight (g/mol)	127.099
MDL Number	MFCD01318161
SMILES	CC1=NOC=C1C(=O)O
Synonym	3-methylisoxazole-4-carboxylic acid,3-methyl-4-isoxazolecarboxylic acid,3-methyl-4-isoxazolecarboxylicacid,3-methyl-isoxazole-4-carboxylic acid,4-isoxazolecarboxylic acid, 3-methyl,3-methylisoxazole-4-carboxylicacid,pubchem10465,acmc-1c78i,3-methylisoxazole-s-carboxylic acid,4-isoxazolecarboxylicacid,3-methyl
IUPAC Name	3-methyl-1,2-oxazole-4-carboxylic acid
InChI Key	YBLSBWHFPXDRHC-UHFFFAOYSA-N
Molecular Formula	C5H5NO3

5-Amino-3,4-dimethylisoxazole, 99%

CAS: 19947-75-2 Molecular Formula: C5H8N2O Molecular Weight (g/mol): 112.132 MDL Number: MFCD00046081 InChI Key: PYNDWPFZDQONDV-UHFFFAOYSA-N Synonym: 5-amino-3,4-dimethylisoxazole,3,4-dimethylisoxazol-5-amine,5-amino-3,4-dimethyl-isoxazole,5-isoxazolamine, 3,4-dimethyl,dimethyl-1,2-oxazol-5-amine,3,4-dimethyl-5-isoxazolamine,5-amino-3,4-dimethyl isoxazole,3,4-dimethylisoxazole-5-ylamine,3,4-dimethylisoxazol-5-ylamine,pubchem8660 PubChem CID: 88317 IUPAC Name: 3,4-dimethyl-1,2-oxazol-5-amine SMILES: CC1=C(ON=C1C)N

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Specifications

PubChem CID	88317
CAS	19947-75-2
Molecular Weight (g/mol)	112.132
MDL Number	MFCD00046081
SMILES	CC1=C(ON=C1C)N
Synonym	5-amino-3,4-dimethylisoxazole,3,4-dimethylisoxazol-5-amine,5-amino-3,4-dimethyl-isoxazole,5-isoxazolamine, 3,4-dimethyl,dimethyl-1,2-oxazol-5-amine,3,4-dimethyl-5-isoxazolamine,5-amino-3,4-dimethyl isoxazole,3,4-dimethylisoxazole-5-ylamine,3,4-dimethylisoxazol-5-ylamine,pubchem8660
IUPAC Name	3,4-dimethyl-1,2-oxazol-5-amine
InChI Key	PYNDWPFZDQONDV-UHFFFAOYSA-N
Molecular Formula	C5H8N2O

3-Ethyl-5-methylisoxazole-4-carboxylic acid, 97%

CAS: 17147-85-2 Molecular Formula: C7H9NO3 Molecular Weight (g/mol): 155.153 MDL Number: MFCD03422293 InChI Key: RSWFHHWVFZWIMV-UHFFFAOYSA-N Synonym: 3-ethyl-5-methylisoxazole-4-carboxylic acid,3-ethyl-5-methyl-isoxazole-4-carboxylic acid,3-ethyl-5-methyl-4-isoxazolecarboxylic acid,4-isoxazolecarboxylic acid, 3-ethyl-5-methyl,acmc-1c8pz,4-isoxazolecarboxylicacid,3-ethyl-5-methyl,4-isoxazolecarboxylicacid, 3-ethyl-5-methyl,4-isoxazolecarboxylic acid, 3-ethyl-5-methyl-8ci,9ci PubChem CID: 2063310 IUPAC Name: 3-ethyl-5-methyl-1,2-oxazole-4-carboxylic acid SMILES: CCC1=NOC(=C1C(=O)O)C

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Specifications

PubChem CID	2063310
CAS	17147-85-2
Molecular Weight (g/mol)	155.153
MDL Number	MFCD03422293
SMILES	CCC1=NOC(=C1C(=O)O)C
Synonym	3-ethyl-5-methylisoxazole-4-carboxylic acid,3-ethyl-5-methyl-isoxazole-4-carboxylic acid,3-ethyl-5-methyl-4-isoxazolecarboxylic acid,4-isoxazolecarboxylic acid, 3-ethyl-5-methyl,acmc-1c8pz,4-isoxazolecarboxylicacid,3-ethyl-5-methyl,4-isoxazolecarboxylicacid, 3-ethyl-5-methyl,4-isoxazolecarboxylic acid, 3-ethyl-5-methyl-8ci,9ci
IUPAC Name	3-ethyl-5-methyl-1,2-oxazole-4-carboxylic acid
InChI Key	RSWFHHWVFZWIMV-UHFFFAOYSA-N
Molecular Formula	C7H9NO3

3-(Chloromethyl)-5-thien-2-ylisoxazole, ≥97%, Thermo Scientific™

CAS: 863669-57-2 Molecular Formula: C8H6ClNOS Molecular Weight (g/mol): 199.65 MDL Number: MFCD07339176 InChI Key: RKWOCISPZAHSCF-UHFFFAOYSA-N Synonym: 3-chloromethyl-5-thien-2-ylisoxazole,3-chloromethyl-5-thiophen-2-yl-1,2-oxazole,isoxazole,3-chloromethyl-5-2-thienyl,2-3-chloromethyl isoxazol-5-yl thiophene,3-chloromethyl-5-thiophen-2-yl isoxazole PubChem CID: 7130599 IUPAC Name: 3-(chloromethyl)-5-thiophen-2-yl-1,2-oxazole SMILES: ClCC1=NOC(=C1)C1=CC=CS1

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Specifications

PubChem CID	7130599
CAS	863669-57-2
Molecular Weight (g/mol)	199.65
MDL Number	MFCD07339176
SMILES	ClCC1=NOC(=C1)C1=CC=CS1
Synonym	3-chloromethyl-5-thien-2-ylisoxazole,3-chloromethyl-5-thiophen-2-yl-1,2-oxazole,isoxazole,3-chloromethyl-5-2-thienyl,2-3-chloromethyl isoxazol-5-yl thiophene,3-chloromethyl-5-thiophen-2-yl isoxazole
IUPAC Name	3-(chloromethyl)-5-thiophen-2-yl-1,2-oxazole
InChI Key	RKWOCISPZAHSCF-UHFFFAOYSA-N
Molecular Formula	C8H6ClNOS

3-(Chloromethyl)-5-phenylisoxazole, ≥97%, Thermo Scientific™

CAS: 14731-10-3 Molecular Formula: C10H8ClNO Molecular Weight (g/mol): 193.63 MDL Number: MFCD01444154 InChI Key: MLJJRVMANUGETQ-UHFFFAOYSA-N PubChem CID: 1484769 IUPAC Name: 3-(chloromethyl)-5-phenyl-1,2-oxazole SMILES: ClCC1=NOC(=C1)C1=CC=CC=C1

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Specifications

PubChem CID	1484769
CAS	14731-10-3
Molecular Weight (g/mol)	193.63
MDL Number	MFCD01444154
SMILES	ClCC1=NOC(=C1)C1=CC=CC=C1
IUPAC Name	3-(chloromethyl)-5-phenyl-1,2-oxazole
InChI Key	MLJJRVMANUGETQ-UHFFFAOYSA-N
Molecular Formula	C10H8ClNO

Ethyl 3-methylisoxazole-4-carboxylate, 97%

CAS: 20328-15-8 Molecular Formula: C7H9NO3 Molecular Weight (g/mol): 155.153 MDL Number: MFCD01075736 InChI Key: AEWHICNMVQOWJE-UHFFFAOYSA-N Synonym: ethyl 3-methylisoxazole-4-carboxylate,ethyl 3-methyl-isoxazole-4-carboxylate,4-isoxazolecarboxylic acid, 3-methyl-, ethyl ester,acmc-20akze,ethyl 3-methyl-4-isoxazolecarboxylate,3-methyl-4-isoxazolecarboxylic acid ethyl ester,3-methyl-isoxazole-4-carboxylic acid ethyl ester,4-isoxazolecarboxylicacid, 3-methyl-, ethyl ester,3-methyl-4-isoxazolecarboxylic acid, ethyl ester,3-methylisoxazole-4-carboxylic acid ethyl ester PubChem CID: 317668 IUPAC Name: ethyl 3-methyl-1,2-oxazole-4-carboxylate SMILES: CCOC(=O)C1=CON=C1C

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Specifications

PubChem CID	317668
CAS	20328-15-8
Molecular Weight (g/mol)	155.153
MDL Number	MFCD01075736
SMILES	CCOC(=O)C1=CON=C1C
Synonym	ethyl 3-methylisoxazole-4-carboxylate,ethyl 3-methyl-isoxazole-4-carboxylate,4-isoxazolecarboxylic acid, 3-methyl-, ethyl ester,acmc-20akze,ethyl 3-methyl-4-isoxazolecarboxylate,3-methyl-4-isoxazolecarboxylic acid ethyl ester,3-methyl-isoxazole-4-carboxylic acid ethyl ester,4-isoxazolecarboxylicacid, 3-methyl-, ethyl ester,3-methyl-4-isoxazolecarboxylic acid, ethyl ester,3-methylisoxazole-4-carboxylic acid ethyl ester
IUPAC Name	ethyl 3-methyl-1,2-oxazole-4-carboxylate
InChI Key	AEWHICNMVQOWJE-UHFFFAOYSA-N
Molecular Formula	C7H9NO3

5-Methylisoxazole-3-carbonyl chloride, 98%, Thermo Scientific Chemicals

CAS: 39499-34-8 Molecular Formula: C5H4ClNO2 Molecular Weight (g/mol): 145.54 MDL Number: MFCD00085127 InChI Key: XMVNMWDLOGSUSM-UHFFFAOYSA-N Synonym: 5-methylisoxazole-3-carbonyl chloride,3-isoxazolecarbonyl chloride, 5-methyl,5-methyl-3-isoxazolecarbonyl chloride,5-methyl-isoxazole-3-carbonyl chloride,acmc-209j5v,5-methyl-3-isoxazoyl chloride,5-methylisoxazole carbonyl chloride,5-methylisoxazol-3-ylcarbonyl chloride,3-isoxazolecarbonylchloride, 5-methyl,5-methyl isoxazole-3-carbonyl chloride PubChem CID: 2736894 IUPAC Name: 5-methyl-1,2-oxazole-3-carbonyl chloride SMILES: CC1=CC(=NO1)C(Cl)=O

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Specifications

PubChem CID	2736894
CAS	39499-34-8
Molecular Weight (g/mol)	145.54
MDL Number	MFCD00085127
SMILES	CC1=CC(=NO1)C(Cl)=O
Synonym	5-methylisoxazole-3-carbonyl chloride,3-isoxazolecarbonyl chloride, 5-methyl,5-methyl-3-isoxazolecarbonyl chloride,5-methyl-isoxazole-3-carbonyl chloride,acmc-209j5v,5-methyl-3-isoxazoyl chloride,5-methylisoxazole carbonyl chloride,5-methylisoxazol-3-ylcarbonyl chloride,3-isoxazolecarbonylchloride, 5-methyl,5-methyl isoxazole-3-carbonyl chloride
IUPAC Name	5-methyl-1,2-oxazole-3-carbonyl chloride
InChI Key	XMVNMWDLOGSUSM-UHFFFAOYSA-N
Molecular Formula	C5H4ClNO2

Benzo[d]isoxazol-3-ol, ≥95%, Thermo Scientific™

CAS: 21725-69-9 Molecular Formula: C7H5NO2 Molecular Weight (g/mol): 135.122 MDL Number: MFCD00125030 InChI Key: QLDQYRDCPNBPII-UHFFFAOYSA-N Synonym: benzo d isoxazol-3-ol,1,2-benzisoxazol-3 2h-one,1,2-benzoxazol-3-ol,1,2-benzisoxazol-3-ol,3-hydroxybenzisoxazole,3-hydroxy-1,2-benzisoxazole,1,2-benzisoxazolin-3-one,1,2-benzisoxazol-3-ol 8ci,2h-1,2-benzoxazol-3-one,benzisoxazolone PubChem CID: 210830 IUPAC Name: 1,2-benzoxazol-3-one SMILES: C1=CC=C2C(=C1)C(=O)NO2

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Specifications

PubChem CID	210830
CAS	21725-69-9
Molecular Weight (g/mol)	135.122
MDL Number	MFCD00125030
SMILES	C1=CC=C2C(=C1)C(=O)NO2
Synonym	benzo d isoxazol-3-ol,1,2-benzisoxazol-3 2h-one,1,2-benzoxazol-3-ol,1,2-benzisoxazol-3-ol,3-hydroxybenzisoxazole,3-hydroxy-1,2-benzisoxazole,1,2-benzisoxazolin-3-one,1,2-benzisoxazol-3-ol 8ci,2h-1,2-benzoxazol-3-one,benzisoxazolone
IUPAC Name	1,2-benzoxazol-3-one
InChI Key	QLDQYRDCPNBPII-UHFFFAOYSA-N
Molecular Formula	C7H5NO2

3,5-Dimethylisoxazole-4-carboxylic acid, 99%

CAS: 2510-36-3 Molecular Formula: C6H7NO3 Molecular Weight (g/mol): 141.126 MDL Number: MFCD00051657 InChI Key: IJEUISLJVBUNRE-UHFFFAOYSA-N Synonym: 3,5-dimethylisoxazole-4-carboxylic acid,3,5-dimethylisoxasole-4-carboxylic acid,4-isoxazolecarboxylic acid, 3,5-dimethyl,dimethyl-1,2-oxazole-4-carboxylic acid,3,5-dimethyl-4-isoxazolecarboxylic acid,3,5-dimethyl-isoxazole-4-carboxylic acid,3,5-dimethylisoxazole-4-carboxylicacid,pubchem8774,akos pao-1555 PubChem CID: 75636 IUPAC Name: 3,5-dimethyl-1,2-oxazole-4-carboxylic acid SMILES: CC1=C(C(=NO1)C)C(=O)O

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Specifications

PubChem CID	75636
CAS	2510-36-3
Molecular Weight (g/mol)	141.126
MDL Number	MFCD00051657
SMILES	CC1=C(C(=NO1)C)C(=O)O
Synonym	3,5-dimethylisoxazole-4-carboxylic acid,3,5-dimethylisoxasole-4-carboxylic acid,4-isoxazolecarboxylic acid, 3,5-dimethyl,dimethyl-1,2-oxazole-4-carboxylic acid,3,5-dimethyl-4-isoxazolecarboxylic acid,3,5-dimethyl-isoxazole-4-carboxylic acid,3,5-dimethylisoxazole-4-carboxylicacid,pubchem8774,akos pao-1555
IUPAC Name	3,5-dimethyl-1,2-oxazole-4-carboxylic acid
InChI Key	IJEUISLJVBUNRE-UHFFFAOYSA-N
Molecular Formula	C6H7NO3

Isoxazole, 99%

CAS: 288-14-2 Molecular Formula: C3H3NO Molecular Weight (g/mol): 69.063 MDL Number: MFCD00003149 InChI Key: CTAPFRYPJLPFDF-UHFFFAOYSA-N Synonym: isoxazole,1-oxa-2-azacyclopentadiene,isooxazole,unii-00srw0m6pw,00srw0m6pw,isoxazoles,pubchem8623,acmc-209h4x,ksc204o6n PubChem CID: 9254 ChEBI: CHEBI:35595 IUPAC Name: 1,2-oxazole SMILES: C1=CON=C1

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Specifications

PubChem CID	9254
CAS	288-14-2
Molecular Weight (g/mol)	69.063
ChEBI	CHEBI:35595
MDL Number	MFCD00003149
SMILES	C1=CON=C1
Synonym	isoxazole,1-oxa-2-azacyclopentadiene,isooxazole,unii-00srw0m6pw,00srw0m6pw,isoxazoles,pubchem8623,acmc-209h4x,ksc204o6n
IUPAC Name	1,2-oxazole
InChI Key	CTAPFRYPJLPFDF-UHFFFAOYSA-N
Molecular Formula	C3H3NO

5-Methylisoxazole-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 3405-77-4 Molecular Formula: C5H5NO3 Molecular Weight (g/mol): 127.099 MDL Number: MFCD01318162 InChI Key: BNMPIJWVMVNSRD-UHFFFAOYSA-N Synonym: 5-methylisoxazole-3-carboxylic acid,5-methylisoxazole-3-carboxylicacid,3-isoxazolecarboxylic acid, 5-methyl,5-methyl-3-isoxazolecarboxylic acid,5-methyl-isoxazole-3-carboxylic acid,3-carboxy-5-methylisoxazole,3-isoxazolecarboxylicacid, 5-methyl,isoxazole acid,pubchem15552,ksc224c5p PubChem CID: 76947 IUPAC Name: 5-methyl-1,2-oxazole-3-carboxylic acid SMILES: CC1=CC(=NO1)C(=O)O

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Specifications

PubChem CID	76947
CAS	3405-77-4
Molecular Weight (g/mol)	127.099
MDL Number	MFCD01318162
SMILES	CC1=CC(=NO1)C(=O)O
Synonym	5-methylisoxazole-3-carboxylic acid,5-methylisoxazole-3-carboxylicacid,3-isoxazolecarboxylic acid, 5-methyl,5-methyl-3-isoxazolecarboxylic acid,5-methyl-isoxazole-3-carboxylic acid,3-carboxy-5-methylisoxazole,3-isoxazolecarboxylicacid, 5-methyl,isoxazole acid,pubchem15552,ksc224c5p
IUPAC Name	5-methyl-1,2-oxazole-3-carboxylic acid
InChI Key	BNMPIJWVMVNSRD-UHFFFAOYSA-N
Molecular Formula	C5H5NO3

Isoxazoles

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Sulfamethoxazole 98.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Sulfamethoxazole 98.0+%, TCI America™