Oxacyclic compounds

Organic heterocyclic compounds that contain one or more oxygen atoms either within the ring's structure or linked to the ring.

91 – 105 of 350 results

9-Hydroxyxanthene, 97+%

CAS: 90-46-0 Molecular Formula: C₁₃H₁₀O₂ Molecular Weight (g/mol): 198.22 MDL Number: MFCD00005057 InChI Key: JFRMYMMIJXLMBB-UHFFFAOYSA-N Synonym: 9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol PubChem CID: 72861 IUPAC Name: 9H-xanthen-9-ol SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O

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Specifications

PubChem CID	72861
CAS	90-46-0
Molecular Weight (g/mol)	198.22
MDL Number	MFCD00005057
SMILES	C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O
Synonym	9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol
IUPAC Name	9H-xanthen-9-ol
InChI Key	JFRMYMMIJXLMBB-UHFFFAOYSA-N
Molecular Formula	C₁₃H₁₀O₂

4-(5-Methyl-1,2,4-oxadiazol-3-yl)benzoic acid, 97%, Thermo Scientific™

CAS: 95124-68-8 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.185 MDL Number: MFCD06797475 InChI Key: DTKAUYQBZSOHRJ-UHFFFAOYSA-N Synonym: 4-5-methyl-1,2,4-oxadiazol-3-yl benzoic acid,3-4-carboxyphenyl-5-methyl-1,2,4-oxadiazole,4-5-methyl-1,2,4 oxadiazol-3-yl-benzoic acid,benzoic acid, 4-5-methyl-1,2,4-oxadiazol-3-yl,acmc-209xiw,4-5-methyl-1,2,4-oxadiazol-3-yl benzoicacid PubChem CID: 7127808 IUPAC Name: 4-(5-methyl-1,2,4-oxadiazol-3-yl)benzoic acid SMILES: CC1=NC(=NO1)C2=CC=C(C=C2)C(=O)O

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Specifications

PubChem CID	7127808
CAS	95124-68-8
Molecular Weight (g/mol)	204.185
MDL Number	MFCD06797475
SMILES	CC1=NC(=NO1)C2=CC=C(C=C2)C(=O)O
Synonym	4-5-methyl-1,2,4-oxadiazol-3-yl benzoic acid,3-4-carboxyphenyl-5-methyl-1,2,4-oxadiazole,4-5-methyl-1,2,4 oxadiazol-3-yl-benzoic acid,benzoic acid, 4-5-methyl-1,2,4-oxadiazol-3-yl,acmc-209xiw,4-5-methyl-1,2,4-oxadiazol-3-yl benzoicacid
IUPAC Name	4-(5-methyl-1,2,4-oxadiazol-3-yl)benzoic acid
InChI Key	DTKAUYQBZSOHRJ-UHFFFAOYSA-N
Molecular Formula	C10H8N2O3

5-(2-Furyl)-1H-pyrazole-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 116153-81-2 Molecular Formula: C8H6N2O3 Molecular Weight (g/mol): 178.147 MDL Number: MFCD05170057 InChI Key: GKPSFQIKCROJOB-UHFFFAOYSA-N Synonym: 5-2-furyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-2h-pyrazole-3-carboxylic acid,3-furan-2-yl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl,5-2-furyl pyrazole-3-carboxylic acid,acmc-20f1sn,3-2-furyl pyrazole-5-carboxylic acid PubChem CID: 654018 IUPAC Name: 5-(furan-2-yl)-1H-pyrazole-3-carboxylic acid SMILES: C1=COC(=C1)C2=CC(=NN2)C(=O)O

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Specifications

PubChem CID	654018
CAS	116153-81-2
Molecular Weight (g/mol)	178.147
MDL Number	MFCD05170057
SMILES	C1=COC(=C1)C2=CC(=NN2)C(=O)O
Synonym	5-2-furyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-2h-pyrazole-3-carboxylic acid,3-furan-2-yl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl,5-2-furyl pyrazole-3-carboxylic acid,acmc-20f1sn,3-2-furyl pyrazole-5-carboxylic acid
IUPAC Name	5-(furan-2-yl)-1H-pyrazole-3-carboxylic acid
InChI Key	GKPSFQIKCROJOB-UHFFFAOYSA-N
Molecular Formula	C8H6N2O3

3-(2-Oxo-2,3-dihydro-1,3-benzoxazol-3-yl)propanoic acid, 97%, Thermo Scientific™

CAS: 13610-59-8 Molecular Formula: C10H9NO4 Molecular Weight (g/mol): 207.185 MDL Number: MFCD00052166 InChI Key: BMLRDVCKJXMASM-UHFFFAOYSA-N Synonym: 3-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl propanoic acid,3-2-oxo-1,3-benzoxazol-3 2h-yl propanoic acid,3-2-oxobenzo d oxazol-3 2h-yl propanoic acid,3-2-oxo-benzooxazol-3-yl propionic acid,3-2-oxo-1,3-benzoxazol-3-yl propanoic acid,3 2h-benzoxazolepropanoic acid, 2-oxo,3-2-oxo-benzooxazol-3-yl-propionic acid,3 2h-benzoxazolepropanoicacid, 2-oxo,3-2-oxo-3-hydrobenzoxazol-3-yl propanoic acid,maybridge1_008314 PubChem CID: 720147 IUPAC Name: 3-(2-oxo-1,3-benzoxazol-3-yl)propanoic acid SMILES: C1=CC=C2C(=C1)N(C(=O)O2)CCC(=O)O

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Specifications

PubChem CID	720147
CAS	13610-59-8
Molecular Weight (g/mol)	207.185
MDL Number	MFCD00052166
SMILES	C1=CC=C2C(=C1)N(C(=O)O2)CCC(=O)O
Synonym	3-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl propanoic acid,3-2-oxo-1,3-benzoxazol-3 2h-yl propanoic acid,3-2-oxobenzo d oxazol-3 2h-yl propanoic acid,3-2-oxo-benzooxazol-3-yl propionic acid,3-2-oxo-1,3-benzoxazol-3-yl propanoic acid,3 2h-benzoxazolepropanoic acid, 2-oxo,3-2-oxo-benzooxazol-3-yl-propionic acid,3 2h-benzoxazolepropanoicacid, 2-oxo,3-2-oxo-3-hydrobenzoxazol-3-yl propanoic acid,maybridge1_008314
IUPAC Name	3-(2-oxo-1,3-benzoxazol-3-yl)propanoic acid
InChI Key	BMLRDVCKJXMASM-UHFFFAOYSA-N
Molecular Formula	C10H9NO4

3-Methylflavone-8-Carboxylic Acid, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

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1-Benzofuran-5-carboxylic acid, Thermo Scientific™

CAS: 90721-27-0 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.14 MDL Number: MFCD01006742 InChI Key: GTWXSZIQNTUNKR-UHFFFAOYSA-N Synonym: benzofuran-5-carboxylic acid,5-benzofurancarboxylic acid,benzo b furan-5-carboxylic acid,1-benzofunan-5-carboxylic acid,benzofurane-5-carboxylic acid,4ctj,pubchem7018,5-benzofuran carboxylic,rarechem al be 1369,5-benzofurancarboxylicacid PubChem CID: 595656 IUPAC Name: 1-benzofuran-5-carboxylic acid SMILES: OC(=O)C1=CC=C2OC=CC2=C1

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Specifications

PubChem CID	595656
CAS	90721-27-0
Molecular Weight (g/mol)	162.14
MDL Number	MFCD01006742
SMILES	OC(=O)C1=CC=C2OC=CC2=C1
Synonym	benzofuran-5-carboxylic acid,5-benzofurancarboxylic acid,benzo b furan-5-carboxylic acid,1-benzofunan-5-carboxylic acid,benzofurane-5-carboxylic acid,4ctj,pubchem7018,5-benzofuran carboxylic,rarechem al be 1369,5-benzofurancarboxylicacid
IUPAC Name	1-benzofuran-5-carboxylic acid
InChI Key	GTWXSZIQNTUNKR-UHFFFAOYSA-N
Molecular Formula	C9H6O3

1-benzofuran-5-amine, 97%, Thermo Scientific™

CAS: 58546-89-7 Molecular Formula: C8H7NO Molecular Weight (g/mol): 133.15 InChI Key: GMOLCSICTCPZCU-UHFFFAOYSA-N Synonym: benzofuran-5-amine,5-benzofuranamine,5-aminobenzo b furan,5-aminobenzofuran,benzo b furan-5-amine,benzo b furan-5-ylamine,benzofuran-5-ylamine PubChem CID: 1477152 IUPAC Name: 1-benzofuran-5-amine SMILES: C1=CC2=C(C=CO2)C=C1N

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Specifications

PubChem CID	1477152
CAS	58546-89-7
Molecular Weight (g/mol)	133.15
SMILES	C1=CC2=C(C=CO2)C=C1N
Synonym	benzofuran-5-amine,5-benzofuranamine,5-aminobenzo b furan,5-aminobenzofuran,benzo b furan-5-amine,benzo b furan-5-ylamine,benzofuran-5-ylamine
IUPAC Name	1-benzofuran-5-amine
InChI Key	GMOLCSICTCPZCU-UHFFFAOYSA-N
Molecular Formula	C8H7NO

2-Aminooxazole, 97%

CAS: 4570-45-0 Molecular Formula: C3H4N2O Molecular Weight (g/mol): 84.08 MDL Number: MFCD07364485 InChI Key: ACTKAGSPIFDCMF-UHFFFAOYSA-N Synonym: oxazol-2-amine,2-aminooxazole,oxazole-2-amine,2-amino-oxazole,2-oxazolamine,2-amino-1,3-oxazole,oxazol-2-ylamine,2-aminoxazole,1,3-oxazol-2-ylamine,1,3-oxazole-2-ylamine PubChem CID: 558521 IUPAC Name: 1,3-oxazol-2-amine SMILES: NC1=NC=CO1

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Specifications

PubChem CID	558521
CAS	4570-45-0
Molecular Weight (g/mol)	84.08
MDL Number	MFCD07364485
SMILES	NC1=NC=CO1
Synonym	oxazol-2-amine,2-aminooxazole,oxazole-2-amine,2-amino-oxazole,2-oxazolamine,2-amino-1,3-oxazole,oxazol-2-ylamine,2-aminoxazole,1,3-oxazol-2-ylamine,1,3-oxazole-2-ylamine
IUPAC Name	1,3-oxazol-2-amine
InChI Key	ACTKAGSPIFDCMF-UHFFFAOYSA-N
Molecular Formula	C3H4N2O

Ethyl oxazole-5-carboxylate, 98%

CAS: 118994-89-1 Molecular Formula: C6H7NO3 Molecular Weight (g/mol): 141.126 MDL Number: MFCD04114930 InChI Key: KRMORCCAHXFIHF-UHFFFAOYSA-N Synonym: ethyl oxazole-5-carboxylate,5-oxazolecarboxylic acid, ethyl ester,5-oxazolecarboxylicacid, ethyl ester,oxazole-5-carboxylic acid ethyl ester,ethyloxazole-5-carboxylate,5-ethoxycarbonyloxazole,acmc-1c1iz,ksc510s9l,ethyl 5-oxazolecarboxylate,5-ethoxycarbonyl-1,3-oxazole PubChem CID: 10964603 IUPAC Name: ethyl 1,3-oxazole-5-carboxylate SMILES: CCOC(=O)C1=CN=CO1

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Specifications

PubChem CID	10964603
CAS	118994-89-1
Molecular Weight (g/mol)	141.126
MDL Number	MFCD04114930
SMILES	CCOC(=O)C1=CN=CO1
Synonym	ethyl oxazole-5-carboxylate,5-oxazolecarboxylic acid, ethyl ester,5-oxazolecarboxylicacid, ethyl ester,oxazole-5-carboxylic acid ethyl ester,ethyloxazole-5-carboxylate,5-ethoxycarbonyloxazole,acmc-1c1iz,ksc510s9l,ethyl 5-oxazolecarboxylate,5-ethoxycarbonyl-1,3-oxazole
IUPAC Name	ethyl 1,3-oxazole-5-carboxylate
InChI Key	KRMORCCAHXFIHF-UHFFFAOYSA-N
Molecular Formula	C6H7NO3

100

2-Benzoxazolinone, 98%

CAS: 59-49-4 Molecular Formula: C7H5NO2 Molecular Weight (g/mol): 135.12 MDL Number: MFCD00005716 InChI Key: ASSKVPFEZFQQNQ-UHFFFAOYSA-N Synonym: 2-benzoxazolinone,benzoxazolinone,benzoxazolone,2-hydroxybenzoxazole,2-benzoxazolol,2 3h-benzoxazolone,1,3-benzoxazol-2 3h-one,2-benzoxazolone,benzo d oxazol-2 3h-one,benzoxazolin-2-one PubChem CID: 6043 IUPAC Name: 3H-1,3-benzoxazol-2-one SMILES: O=C1NC2=CC=CC=C2O1

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Specifications

PubChem CID	6043
CAS	59-49-4
Molecular Weight (g/mol)	135.12
MDL Number	MFCD00005716
SMILES	O=C1NC2=CC=CC=C2O1
Synonym	2-benzoxazolinone,benzoxazolinone,benzoxazolone,2-hydroxybenzoxazole,2-benzoxazolol,2 3h-benzoxazolone,1,3-benzoxazol-2 3h-one,2-benzoxazolone,benzo d oxazol-2 3h-one,benzoxazolin-2-one
IUPAC Name	3H-1,3-benzoxazol-2-one
InChI Key	ASSKVPFEZFQQNQ-UHFFFAOYSA-N
Molecular Formula	C7H5NO2

101

5-Chloro-2-pentanone ethylene ketal, 97%

CAS: 5978-08-5 Molecular Formula: C₇H₁₃ClO₂ Molecular Weight (g/mol): 164.63 MDL Number: MFCD00003217 InChI Key: OFERIRWCHSOJJT-UHFFFAOYSA-N

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Specifications

CAS	5978-08-5
Molecular Weight (g/mol)	164.63
MDL Number	MFCD00003217
InChI Key	OFERIRWCHSOJJT-UHFFFAOYSA-N
Molecular Formula	C₇H₁₃ClO₂

102

Ethyl 3-(2-furyl)-1-methyl-1H-pyrazole-5-carboxylate, 97%, Thermo Scientific™

CAS: 104295-62-7 Molecular Formula: C11H12N2O3 Molecular Weight (g/mol): 220.228 MDL Number: MFCD08271951 InChI Key: RMIOHJSPVQALON-UHFFFAOYSA-N Synonym: ethyl 3-2-furyl-1-methyl-1h-pyrazole-5-carboxylate,ethyl 5-furan-2-yl-2-methylpyrazole-3-carboxylate,5-ethoxycarbonyl-3-2-furyl-1-methylpyrazole,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl-, ethyl ester,acmc-1bsv1,ethyl 3-2-furyl-1-methylpyrazole-5-carboxylate,ethyl 3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylate,1-methyl-3-2-furyl-1h-pyrazole-5-carboxylic acid ethyl ester,1h-pyrazole-5-carboxylicacid,3-2-furanyl-1-methyl-,ethyl ester PubChem CID: 7537645 IUPAC Name: ethyl 5-(furan-2-yl)-2-methylpyrazole-3-carboxylate SMILES: CCOC(=O)C1=CC(=NN1C)C2=CC=CO2

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Specifications

PubChem CID	7537645
CAS	104295-62-7
Molecular Weight (g/mol)	220.228
MDL Number	MFCD08271951
SMILES	CCOC(=O)C1=CC(=NN1C)C2=CC=CO2
Synonym	ethyl 3-2-furyl-1-methyl-1h-pyrazole-5-carboxylate,ethyl 5-furan-2-yl-2-methylpyrazole-3-carboxylate,5-ethoxycarbonyl-3-2-furyl-1-methylpyrazole,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl-, ethyl ester,acmc-1bsv1,ethyl 3-2-furyl-1-methylpyrazole-5-carboxylate,ethyl 3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylate,1-methyl-3-2-furyl-1h-pyrazole-5-carboxylic acid ethyl ester,1h-pyrazole-5-carboxylicacid,3-2-furanyl-1-methyl-,ethyl ester
IUPAC Name	ethyl 5-(furan-2-yl)-2-methylpyrazole-3-carboxylate
InChI Key	RMIOHJSPVQALON-UHFFFAOYSA-N
Molecular Formula	C11H12N2O3

103

4-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid, 95%, Thermo Scientific™

CAS: 851048-56-1 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.19 MDL Number: MFCD08741427 InChI Key: KXXLPIJOPGBFTA-UHFFFAOYSA-N Synonym: 4-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoicacid, 4-3-methyl-1,2,4-oxadiazol-5-yl,benzoic acid, 4-3-methyl-1,2,4-oxadiazol-5-yl,methyloxadiazolylbenzoicacid,4-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,4-3-methyl-1,2,4-oxadiazol-5-yl-benzoic acid PubChem CID: 22110111 IUPAC Name: 4-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid SMILES: CC1=NOC(=N1)C1=CC=C(C=C1)C(O)=O

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Specifications

PubChem CID	22110111
CAS	851048-56-1
Molecular Weight (g/mol)	204.19
MDL Number	MFCD08741427
SMILES	CC1=NOC(=N1)C1=CC=C(C=C1)C(O)=O
Synonym	4-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoicacid, 4-3-methyl-1,2,4-oxadiazol-5-yl,benzoic acid, 4-3-methyl-1,2,4-oxadiazol-5-yl,methyloxadiazolylbenzoicacid,4-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,4-3-methyl-1,2,4-oxadiazol-5-yl-benzoic acid
IUPAC Name	4-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid
InChI Key	KXXLPIJOPGBFTA-UHFFFAOYSA-N
Molecular Formula	C10H8N2O3

104

Benzo[b]furan-3-ylacetic acid, 97%, Thermo Scientific™

CAS: 64175-51-5 Molecular Formula: C10H8O3 Molecular Weight (g/mol): 176.171 InChI Key: QWMVFCMIUUHJDH-UHFFFAOYSA-N Synonym: 2-benzofuran-3-yl acetic acid,3-benzofuranacetic acid,benzo b furan-3-ylacetic acid,2-1-benzofuran-3-yl acetic acid,benzofuran-3-yl-acetic acid,benzofuran-3-acetic acid,1-benzofuran-3-ylacetic acid,2-3-benzofuranyl acetic acid,pubchem7012,benzofuran-3-ylacetic acid PubChem CID: 2762940 IUPAC Name: 2-(1-benzofuran-3-yl)acetic acid SMILES: C1=CC=C2C(=C1)C(=CO2)CC(=O)O

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Specifications

PubChem CID	2762940
CAS	64175-51-5
Molecular Weight (g/mol)	176.171
SMILES	C1=CC=C2C(=C1)C(=CO2)CC(=O)O
Synonym	2-benzofuran-3-yl acetic acid,3-benzofuranacetic acid,benzo b furan-3-ylacetic acid,2-1-benzofuran-3-yl acetic acid,benzofuran-3-yl-acetic acid,benzofuran-3-acetic acid,1-benzofuran-3-ylacetic acid,2-3-benzofuranyl acetic acid,pubchem7012,benzofuran-3-ylacetic acid
IUPAC Name	2-(1-benzofuran-3-yl)acetic acid
InChI Key	QWMVFCMIUUHJDH-UHFFFAOYSA-N
Molecular Formula	C10H8O3

105

2,3-Diphenylmaleic anhydride, 98%

CAS: 4808-48-4 Molecular Formula: C₁₆H₁₀O₃ Molecular Weight (g/mol): 250.26 InChI Key: OUJCFCNZIUTYBH-UHFFFAOYSA-N Synonym: 2,3-diphenylmaleic anhydride,diphenylmaleic anhydride,3,4-diphenyl-2,5-furandione,diphenylfuran-2,5-dione,2,3-diphenylmaleicanhydride,2,5-furandione, 3,4-diphenyl,acmc-1asck,2, 3,4-diphenyl,diphenyl-maleic anhydride,2,5-furandione,3,4-diphenyl PubChem CID: 78530 IUPAC Name: 3,4-diphenylfuran-2,5-dione SMILES: C1=CC=C(C=C1)C2=C(C(=O)OC2=O)C3=CC=CC=C3

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Specifications

PubChem CID	78530
CAS	4808-48-4
Molecular Weight (g/mol)	250.26
SMILES	C1=CC=C(C=C1)C2=C(C(=O)OC2=O)C3=CC=CC=C3
Synonym	2,3-diphenylmaleic anhydride,diphenylmaleic anhydride,3,4-diphenyl-2,5-furandione,diphenylfuran-2,5-dione,2,3-diphenylmaleicanhydride,2,5-furandione, 3,4-diphenyl,acmc-1asck,2, 3,4-diphenyl,diphenyl-maleic anhydride,2,5-furandione,3,4-diphenyl
IUPAC Name	3,4-diphenylfuran-2,5-dione
InChI Key	OUJCFCNZIUTYBH-UHFFFAOYSA-N
Molecular Formula	C₁₆H₁₀O₃

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