Isoxazoles

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

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1 – 15 of 102 results

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

Methyl isoxazole-5-carboxylate, 97%

CAS: 15055-81-9 Molecular Formula: C5H5NO3 Molecular Weight (g/mol): 127.099 MDL Number: MFCD01570794 InChI Key: ILPCPKZAAQXHKL-UHFFFAOYSA-N Synonym: methyl isoxazole-5-carboxylate,5-isoxazolecarboxylic acid, methyl ester,isoxazole-5-carboxylic acid methyl ester,acmc-209wih,methyl 5-isoxazolcarboxylate,methyl 5-isoxazolcarboxylate;,methylisoxazole-5-carboxylate,5-methoxycarbonyl-1,2-oxazol,5-isoxazol-carbonsaeure-methylester;,isoxazol-5-carbonsaeure-methylester; PubChem CID: 2736892 IUPAC Name: methyl 1,2-oxazole-5-carboxylate SMILES: COC(=O)C1=CC=NO1

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Specifications

PubChem CID	2736892
CAS	15055-81-9
Molecular Weight (g/mol)	127.099
MDL Number	MFCD01570794
SMILES	COC(=O)C1=CC=NO1
Synonym	methyl isoxazole-5-carboxylate,5-isoxazolecarboxylic acid, methyl ester,isoxazole-5-carboxylic acid methyl ester,acmc-209wih,methyl 5-isoxazolcarboxylate,methyl 5-isoxazolcarboxylate;,methylisoxazole-5-carboxylate,5-methoxycarbonyl-1,2-oxazol,5-isoxazol-carbonsaeure-methylester;,isoxazol-5-carbonsaeure-methylester;
IUPAC Name	methyl 1,2-oxazole-5-carboxylate
InChI Key	ILPCPKZAAQXHKL-UHFFFAOYSA-N
Molecular Formula	C5H5NO3

Isoxazole-5-carboxylic acid, 95%, Thermo Scientific™

CAS: 21169-71-1 Molecular Formula: C4H3NO3 Molecular Weight (g/mol): 113.072 MDL Number: MFCD00156151 InChI Key: MIIQJAUWHSUTIT-UHFFFAOYSA-N Synonym: isoxazole-5-carboxylic acid,5-isoxazolecarboxylic acid,isoxazole-5-carboxylicacid,5-carboxyisoxazole,pubchem8643,isoxazole-5-carboxylic,5-carboxy-1,2-oxazole,isoxazole 5-carboxylic acid,ksc207s2h PubChem CID: 2060599 IUPAC Name: 1,2-oxazole-5-carboxylic acid SMILES: C1=C(ON=C1)C(=O)O

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Specifications

PubChem CID	2060599
CAS	21169-71-1
Molecular Weight (g/mol)	113.072
MDL Number	MFCD00156151
SMILES	C1=C(ON=C1)C(=O)O
Synonym	isoxazole-5-carboxylic acid,5-isoxazolecarboxylic acid,isoxazole-5-carboxylicacid,5-carboxyisoxazole,pubchem8643,isoxazole-5-carboxylic,5-carboxy-1,2-oxazole,isoxazole 5-carboxylic acid,ksc207s2h
IUPAC Name	1,2-oxazole-5-carboxylic acid
InChI Key	MIIQJAUWHSUTIT-UHFFFAOYSA-N
Molecular Formula	C4H3NO3

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

5-Methyl-4-isoxazolesulfonyl chloride, 95%, Thermo Scientific™

CAS: 321309-26-6 Molecular Formula: C4H4ClNO3S Molecular Weight (g/mol): 181.59 MDL Number: MFCD02681975 InChI Key: STYUNYVEEFPQMF-UHFFFAOYSA-N Synonym: 5-methyl-4-isoxazolesulfonyl chloride,5-methylisoxazole-4-sulfonyl chloride,4-isoxazolesulfonyl chloride, 5-methyl,4-chlorosulfonyl-5-methylisoxazole,chloro 5-methylisoxazol-4-yl sulfone,4-chlorosulphonyl-5-methylisoxazole,4-isoxazolesulfonylchloride, 5-methyl,5-methyl-4-isoxazole sulfonyl chloride,5-methyl-isoxazole-4-sulfonyl chloride,5-methylisoxazole-4-sulphonyl chloride PubChem CID: 2776141 IUPAC Name: 5-methyl-1,2-oxazole-4-sulfonyl chloride SMILES: CC1=C(C=NO1)S(=O)(=O)Cl

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Specifications

PubChem CID	2776141
CAS	321309-26-6
Molecular Weight (g/mol)	181.59
MDL Number	MFCD02681975
SMILES	CC1=C(C=NO1)S(=O)(=O)Cl
Synonym	5-methyl-4-isoxazolesulfonyl chloride,5-methylisoxazole-4-sulfonyl chloride,4-isoxazolesulfonyl chloride, 5-methyl,4-chlorosulfonyl-5-methylisoxazole,chloro 5-methylisoxazol-4-yl sulfone,4-chlorosulphonyl-5-methylisoxazole,4-isoxazolesulfonylchloride, 5-methyl,5-methyl-4-isoxazole sulfonyl chloride,5-methyl-isoxazole-4-sulfonyl chloride,5-methylisoxazole-4-sulphonyl chloride
IUPAC Name	5-methyl-1,2-oxazole-4-sulfonyl chloride
InChI Key	STYUNYVEEFPQMF-UHFFFAOYSA-N
Molecular Formula	C4H4ClNO3S

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

[5-(2-Furyl)isoxazol-3-yl]methanol, ≥97%, Thermo Scientific™

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5-Methyl-3-phenylisoxazole-4-carbonyl chloride, 90%, Thermo Scientific™

CAS: 16883-16-2 Molecular Formula: C11H8ClNO2 Molecular Weight (g/mol): 221.64 MDL Number: MFCD00052205 InChI Key: HXEVQMXCHCDPSO-UHFFFAOYSA-N Synonym: 5-methyl-3-phenylisoxazole-4-carbonyl chloride,pmic chloride,unii-97ot2t1w6v,3-phenyl-5-methylisoxazole-4-carbonyl chloride,4-isoxazolecarbonyl chloride, 5-methyl-3-phenyl,5-methyl-3-phenyl-4-isoxazolecarbonyl chloride,3-phenyl-5-methyl-isoxazole-4-carbonyl,pubchem8723,acmc-20am25,dsstox_cid_31452 PubChem CID: 85624 IUPAC Name: 5-methyl-3-phenyl-1,2-oxazole-4-carbonyl chloride SMILES: CC1=C(C(=NO1)C2=CC=CC=C2)C(=O)Cl

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Specifications

PubChem CID	85624
CAS	16883-16-2
Molecular Weight (g/mol)	221.64
MDL Number	MFCD00052205
SMILES	CC1=C(C(=NO1)C2=CC=CC=C2)C(=O)Cl
Synonym	5-methyl-3-phenylisoxazole-4-carbonyl chloride,pmic chloride,unii-97ot2t1w6v,3-phenyl-5-methylisoxazole-4-carbonyl chloride,4-isoxazolecarbonyl chloride, 5-methyl-3-phenyl,5-methyl-3-phenyl-4-isoxazolecarbonyl chloride,3-phenyl-5-methyl-isoxazole-4-carbonyl,pubchem8723,acmc-20am25,dsstox_cid_31452
IUPAC Name	5-methyl-3-phenyl-1,2-oxazole-4-carbonyl chloride
InChI Key	HXEVQMXCHCDPSO-UHFFFAOYSA-N
Molecular Formula	C11H8ClNO2

4-(Chloromethyl)-3-(2,6-dichlorophenyl)-5-methylisoxazole, 97%, Thermo Scientific™

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5-chlorobenzo[d]isoxazol-3-ol, Thermo Scientific™

CAS: 24603-63-2 Molecular Formula: C7H4ClNO2 Molecular Weight (g/mol): 169.564 InChI Key: WIZWHBRFTCYPDN-UHFFFAOYSA-N Synonym: 5-chlorobenzo d isoxazol-3-ol,5-chloro-3-hydroxybenzisoxazole,5-chloro-1,2-benzoxazol-3-ol,5-chloro-1,2-benzisoxazol-3 2h-one,1,2-benzisoxazol-3 2h-one, 5-chloro,5-chloro-2h-1,2-benzoxazol-3-one,pubchem24257,5-chloro-benzo d isoxazol-3-ol,5-chloro-benzo d isoxazol-3-one,5-chlorobenzo d isoxazol-3 2h-one PubChem CID: 3714169 IUPAC Name: 5-chloro-1,2-benzoxazol-3-one SMILES: C1=CC2=C(C=C1Cl)C(=O)NO2

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Specifications

PubChem CID	3714169
CAS	24603-63-2
Molecular Weight (g/mol)	169.564
SMILES	C1=CC2=C(C=C1Cl)C(=O)NO2
Synonym	5-chlorobenzo d isoxazol-3-ol,5-chloro-3-hydroxybenzisoxazole,5-chloro-1,2-benzoxazol-3-ol,5-chloro-1,2-benzisoxazol-3 2h-one,1,2-benzisoxazol-3 2h-one, 5-chloro,5-chloro-2h-1,2-benzoxazol-3-one,pubchem24257,5-chloro-benzo d isoxazol-3-ol,5-chloro-benzo d isoxazol-3-one,5-chlorobenzo d isoxazol-3 2h-one
IUPAC Name	5-chloro-1,2-benzoxazol-3-one
InChI Key	WIZWHBRFTCYPDN-UHFFFAOYSA-N
Molecular Formula	C7H4ClNO2

Ethyl 3,5-dimethylisoxazole-4-carboxylate, 97%

CAS: 17147-42-1 Molecular Formula: C8H11NO3 Molecular Weight (g/mol): 169.18 MDL Number: MFCD00052557 InChI Key: OQRHVDXUJAQVNT-UHFFFAOYSA-N Synonym: ethyl 3,5-dimethylisoxazole-4-carboxylate,ethyl 3,5-dimethyl-4-isoxazolecarboxylate,3,5-dimethylisoxazole-4-carboxylic acid ethyl ester,4-isoxazolecarboxylic acid, 3,5-dimethyl-, ethyl ester,3,5-dimethyl-4-ethoxycarbonyl isoxazole,ethyl 3,5-dimethyl-isoxazole-4-carboxylate,acmc-1c48c,ethyldimethylisoxazolecarboxylate,4-carbethoxy-3,5-dimethylisoxazole,4-carboethoxy-3,5-dimethylisoxazole PubChem CID: 736348 IUPAC Name: ethyl 3,5-dimethyl-1,2-oxazole-4-carboxylate SMILES: CCOC(=O)C1=C(ON=C1C)C

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Specifications

PubChem CID	736348
CAS	17147-42-1
Molecular Weight (g/mol)	169.18
MDL Number	MFCD00052557
SMILES	CCOC(=O)C1=C(ON=C1C)C
Synonym	ethyl 3,5-dimethylisoxazole-4-carboxylate,ethyl 3,5-dimethyl-4-isoxazolecarboxylate,3,5-dimethylisoxazole-4-carboxylic acid ethyl ester,4-isoxazolecarboxylic acid, 3,5-dimethyl-, ethyl ester,3,5-dimethyl-4-ethoxycarbonyl isoxazole,ethyl 3,5-dimethyl-isoxazole-4-carboxylate,acmc-1c48c,ethyldimethylisoxazolecarboxylate,4-carbethoxy-3,5-dimethylisoxazole,4-carboethoxy-3,5-dimethylisoxazole
IUPAC Name	ethyl 3,5-dimethyl-1,2-oxazole-4-carboxylate
InChI Key	OQRHVDXUJAQVNT-UHFFFAOYSA-N
Molecular Formula	C8H11NO3

Isoxazole-5-carbonyl chloride, 97%

CAS: 62348-13-4 Molecular Formula: C4H2ClNO2 Molecular Weight (g/mol): 131.52 MDL Number: MFCD00067868 InChI Key: NASLINFISOTVJJ-UHFFFAOYSA-N Synonym: isoxazole-5-carbonyl chloride,5-isoxazolecarbonyl chloride,isoxazole-5-carbonylchloride,isoxazole-5-carboxylic acid chloride,acmc-1bhwq,5-isoxazolecarbonylchloride,isoxazol-5-carbonyl chloride,isoxazole-5-carbonyl-chloride,5-isoxazolecarbonyl chloride 9ci PubChem CID: 2736707 IUPAC Name: 1,2-oxazole-5-carbonyl chloride SMILES: ClC(=O)C1=CC=NO1

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Specifications

PubChem CID	2736707
CAS	62348-13-4
Molecular Weight (g/mol)	131.52
MDL Number	MFCD00067868
SMILES	ClC(=O)C1=CC=NO1
Synonym	isoxazole-5-carbonyl chloride,5-isoxazolecarbonyl chloride,isoxazole-5-carbonylchloride,isoxazole-5-carboxylic acid chloride,acmc-1bhwq,5-isoxazolecarbonylchloride,isoxazol-5-carbonyl chloride,isoxazole-5-carbonyl-chloride,5-isoxazolecarbonyl chloride 9ci
IUPAC Name	1,2-oxazole-5-carbonyl chloride
InChI Key	NASLINFISOTVJJ-UHFFFAOYSA-N
Molecular Formula	C4H2ClNO2

3-Hydroxy-5-methylisoxazole, 97%

CAS: 10004-44-1 Molecular Formula: C4H5NO2 Molecular Weight (g/mol): 99.089 MDL Number: MFCD00144468 InChI Key: KGVPNLBXJKTABS-UHFFFAOYSA-N Synonym: hymexazol,3-hydroxy-5-methylisoxazole,hymexazole,5-methylisoxazol-3-ol,5-methylisoxazol-3 2h-one,hydroxyisoxazole,tachigaren,itachigarden,5-methyl-3-hydroxyisoxazole,5-methyl-3 2h-isoxazolone PubChem CID: 24781 ChEBI: CHEBI:5827 IUPAC Name: 5-methyl-1,2-oxazol-3-one SMILES: CC1=CC(=O)NO1

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Specifications

PubChem CID	24781
CAS	10004-44-1
Molecular Weight (g/mol)	99.089
ChEBI	CHEBI:5827
MDL Number	MFCD00144468
SMILES	CC1=CC(=O)NO1
Synonym	hymexazol,3-hydroxy-5-methylisoxazole,hymexazole,5-methylisoxazol-3-ol,5-methylisoxazol-3 2h-one,hydroxyisoxazole,tachigaren,itachigarden,5-methyl-3-hydroxyisoxazole,5-methyl-3 2h-isoxazolone
IUPAC Name	5-methyl-1,2-oxazol-3-one
InChI Key	KGVPNLBXJKTABS-UHFFFAOYSA-N
Molecular Formula	C4H5NO2

3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonyl chloride, Thermo Scientific™

CAS: 4462-55-9 Molecular Formula: C11H6Cl3NO2 Molecular Weight (g/mol): 290.524 InChI Key: IZQGELJKDARDMZ-UHFFFAOYSA-N Synonym: 3-2,6-dichlorophenyl-5-methylisoxazole-4-carbonyl chloride,dcimc chloride,3-2,6-dichlorophenyl-5-methyl-1,2-oxazole-4-carbonyl chloride,3-2,6-dichlorophenyl-5-methylisoxazole-4-carbonylchloride,4-isoxazolecarbonyl chloride, 3-2,6-dichlorophenyl-5-methyl,3-2,6-dichlorophenyl-5-methylisoxazole-4-carboxylic acid chloride,3-2,6-dichlorophenyl-5-methyl isoxazole-4-carbonyl chloride,pubchem8683,dsstox_cid_31536,dsstox_rid_97421 PubChem CID: 78212 IUPAC Name: 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl chloride SMILES: CC1=C(C(=NO1)C2=C(C=CC=C2Cl)Cl)C(=O)Cl

Pricing and Availability
Specifications

PubChem CID	78212
CAS	4462-55-9
Molecular Weight (g/mol)	290.524
SMILES	CC1=C(C(=NO1)C2=C(C=CC=C2Cl)Cl)C(=O)Cl
Synonym	3-2,6-dichlorophenyl-5-methylisoxazole-4-carbonyl chloride,dcimc chloride,3-2,6-dichlorophenyl-5-methyl-1,2-oxazole-4-carbonyl chloride,3-2,6-dichlorophenyl-5-methylisoxazole-4-carbonylchloride,4-isoxazolecarbonyl chloride, 3-2,6-dichlorophenyl-5-methyl,3-2,6-dichlorophenyl-5-methylisoxazole-4-carboxylic acid chloride,3-2,6-dichlorophenyl-5-methyl isoxazole-4-carbonyl chloride,pubchem8683,dsstox_cid_31536,dsstox_rid_97421
IUPAC Name	3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl chloride
InChI Key	IZQGELJKDARDMZ-UHFFFAOYSA-N
Molecular Formula	C11H6Cl3NO2

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

Pricing and Availability
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

Isoxazoles

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