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 98 results

3-Ethyl-5-methylisoxazole-4-carboxylic acid, 97%, Thermo Scientific Chemicals

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

Ethyl 3,5-dimethylisoxazole-4-carboxylate, 97%, Thermo Scientific Chemicals

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

Methyl isoxazole-5-carboxylate, 97%, Thermo Scientific Chemicals

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

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

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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

3,5-Dimethylisoxazole-4-carboxylic acid, 97%, Thermo Scientific™

CAS: 2510-36-3 Molecular Formula: C6H7NO3 Molecular Weight (g/mol): 141.126 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
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

(5-Phenylisoxazol-3-yl)methanol, 97%, Thermo Scientific™

CAS: 1619-37-0 Molecular Formula: C10H9NO2 Molecular Weight (g/mol): 175.187 MDL Number: MFCD01444104 InChI Key: BPAFLGGUEBMWRN-UHFFFAOYSA-N PubChem CID: 1481082 IUPAC Name: (5-phenyl-1,2-oxazol-3-yl)methanol SMILES: C1=CC=C(C=C1)C2=CC(=NO2)CO

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Specifications

PubChem CID	1481082
CAS	1619-37-0
Molecular Weight (g/mol)	175.187
MDL Number	MFCD01444104
SMILES	C1=CC=C(C=C1)C2=CC(=NO2)CO
IUPAC Name	(5-phenyl-1,2-oxazol-3-yl)methanol
InChI Key	BPAFLGGUEBMWRN-UHFFFAOYSA-N
Molecular Formula	C10H9NO2

7-Methylbenzo[d]isoxazol-3-ol, 97%, Thermo Scientific™

CAS: 36238-83-2 Molecular Formula: C8H7NO2 Molecular Weight (g/mol): 149.149 MDL Number: MFCD00104669 InChI Key: JUNCQBPTXAQOSA-UHFFFAOYSA-N Synonym: 7-methylbenzo d isoxazol-3-ol,7-methylbenzo d isoxazol-3 2h-one,7-methyl-1,2-benzoxazol-3-ol,3-hydroxy-7-methyl-1,2-benzisoxazole,7-methyl-2h-1,2-benzoxazol-3-one,7-methyl-benzo d isoxazol-3-ol,3-hydroxy-7-methyl-1,2-benzisoxazol,benzo d isoxazol-3-ol derivative, 3n,1,2-benzisoxazol-3 2h-one,7-methyl,7-methyl-1,2-benzoisoxazole-3 2h-one PubChem CID: 2782122 IUPAC Name: 7-methyl-1,2-benzoxazol-3-one SMILES: CC1=CC=CC2=C1ONC2=O

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Specifications

PubChem CID	2782122
CAS	36238-83-2
Molecular Weight (g/mol)	149.149
MDL Number	MFCD00104669
SMILES	CC1=CC=CC2=C1ONC2=O
Synonym	7-methylbenzo d isoxazol-3-ol,7-methylbenzo d isoxazol-3 2h-one,7-methyl-1,2-benzoxazol-3-ol,3-hydroxy-7-methyl-1,2-benzisoxazole,7-methyl-2h-1,2-benzoxazol-3-one,7-methyl-benzo d isoxazol-3-ol,3-hydroxy-7-methyl-1,2-benzisoxazol,benzo d isoxazol-3-ol derivative, 3n,1,2-benzisoxazol-3 2h-one,7-methyl,7-methyl-1,2-benzoisoxazole-3 2h-one
IUPAC Name	7-methyl-1,2-benzoxazol-3-one
InChI Key	JUNCQBPTXAQOSA-UHFFFAOYSA-N
Molecular Formula	C8H7NO2

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

CAS: 14442-12-7 Molecular Formula: C10H7NO3 Molecular Weight (g/mol): 189.17 MDL Number: MFCD01936010 InChI Key: YGTFDJRCCBKLDM-UHFFFAOYSA-N Synonym: 3-phenylisoxazole-5-carboxylic acid,3-phenyl-5-isoxazolecarboxylic acid,5-isoxazolecarboxylic acid, 3-phenyl,3-phenyl-isoxazole-5-carboxylic acid,phenylisoxazolecarboxylicacid,5-carboxy-3-phenylisoxazole,3-phenylisoxazole-5-carboxylic,3-phenyl-5-isoxazolecarboxylicacid,3-phenylisoxazole-5-carboxylicacid,3-phenyl-5-isoxazole carboxylic acid PubChem CID: 737474 IUPAC Name: 3-phenyl-1,2-oxazole-5-carboxylic acid SMILES: C1=CC=C(C=C1)C2=NOC(=C2)C(=O)O

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Specifications

PubChem CID	737474
CAS	14442-12-7
Molecular Weight (g/mol)	189.17
MDL Number	MFCD01936010
SMILES	C1=CC=C(C=C1)C2=NOC(=C2)C(=O)O
Synonym	3-phenylisoxazole-5-carboxylic acid,3-phenyl-5-isoxazolecarboxylic acid,5-isoxazolecarboxylic acid, 3-phenyl,3-phenyl-isoxazole-5-carboxylic acid,phenylisoxazolecarboxylicacid,5-carboxy-3-phenylisoxazole,3-phenylisoxazole-5-carboxylic,3-phenyl-5-isoxazolecarboxylicacid,3-phenylisoxazole-5-carboxylicacid,3-phenyl-5-isoxazole carboxylic acid
IUPAC Name	3-phenyl-1,2-oxazole-5-carboxylic acid
InChI Key	YGTFDJRCCBKLDM-UHFFFAOYSA-N
Molecular Formula	C10H7NO3

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

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[5-(2-Thienyl)-3-isoxazolyl]methanol, 97%, Thermo Scientific™

Pricing and Availability

3-Methyl-5-(5-methylisoxazol-3-yl)isoxazole-4-carboxylic acid, 97%, Thermo Scientific™

CAS: 849066-63-3 Molecular Formula: C9H8N2O4 Molecular Weight (g/mol): 208.173 MDL Number: MFCD01880302 InChI Key: ASBPDKJMOPNMLF-UHFFFAOYSA-N Synonym: 3-methyl-5-5-methylisoxazol-3-yl isoxazole-4-carboxylic acid,3-methyl-5-5-methyl-1,2-oxazol-3-yl-1,2-oxazole-4-carboxylic acid,3,5'-biisoxazole-4'-carboxylicacid, 3',5-dimethyl,maybridge3_007228,3',5-dimethyl-3,5'-biisoxazole-4'-carboxylic acid,3-methyl-5-5-methylisoxazol-3-yl-4-carboxylic acid PubChem CID: 2744621 IUPAC Name: 3-methyl-5-(5-methyl-1,2-oxazol-3-yl)-1,2-oxazole-4-carboxylic acid SMILES: CC1=CC(=NO1)C2=C(C(=NO2)C)C(=O)O

Pricing and Availability
Specifications

PubChem CID	2744621
CAS	849066-63-3
Molecular Weight (g/mol)	208.173
MDL Number	MFCD01880302
SMILES	CC1=CC(=NO1)C2=C(C(=NO2)C)C(=O)O
Synonym	3-methyl-5-5-methylisoxazol-3-yl isoxazole-4-carboxylic acid,3-methyl-5-5-methyl-1,2-oxazol-3-yl-1,2-oxazole-4-carboxylic acid,3,5'-biisoxazole-4'-carboxylicacid, 3',5-dimethyl,maybridge3_007228,3',5-dimethyl-3,5'-biisoxazole-4'-carboxylic acid,3-methyl-5-5-methylisoxazol-3-yl-4-carboxylic acid
IUPAC Name	3-methyl-5-(5-methyl-1,2-oxazol-3-yl)-1,2-oxazole-4-carboxylic acid
InChI Key	ASBPDKJMOPNMLF-UHFFFAOYSA-N
Molecular Formula	C9H8N2O4

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

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

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Isoxazole-3-carboxylic acid, 97%, Thermo Scientific Chemicals

CAS: 3209-71-0 Molecular Formula: C4H3NO3 Molecular Weight (g/mol): 113.07 MDL Number: MFCD06738796 InChI Key: UXYRXGFUANQKTA-UHFFFAOYSA-N Synonym: 3-isoxazolecarboxylic acid,isoxazole-3-carboxylic acid,isoxazole-3-carboxylicacid,3-isoxazolecarboxylicacid,3-carboxyisoxazole,isoxazole-3-carboxylic,pubchem12341,acmc-209hqw,ksc222a3r,aronis24546 PubChem CID: 11286453 IUPAC Name: 1,2-oxazole-3-carboxylic acid SMILES: OC(=O)C1=NOC=C1

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Specifications

PubChem CID	11286453
CAS	3209-71-0
Molecular Weight (g/mol)	113.07
MDL Number	MFCD06738796
SMILES	OC(=O)C1=NOC=C1
Synonym	3-isoxazolecarboxylic acid,isoxazole-3-carboxylic acid,isoxazole-3-carboxylicacid,3-isoxazolecarboxylicacid,3-carboxyisoxazole,isoxazole-3-carboxylic,pubchem12341,acmc-209hqw,ksc222a3r,aronis24546
IUPAC Name	1,2-oxazole-3-carboxylic acid
InChI Key	UXYRXGFUANQKTA-UHFFFAOYSA-N
Molecular Formula	C4H3NO3

3,5-Dimethylisoxazole-4-carbonyl chloride, Thermo Scientific™

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Isoxazoles

Isoxazoles

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