Oxacyclic compounds

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

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91 – 105 of 336 results

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Phthalide, 98+%

CAS: 87-41-2 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 MDL Number: MFCD00005906 InChI Key: WNZQDUSMALZDQF-UHFFFAOYSA-N Synonym: phthalide,isobenzofuran-1 3h-one,1 3h-isobenzofuranone,1-phthalanone,phthalolactone,2-benzofuran-1 3h-one,isobenzofuranone,phthalanone,3h-isobenzofuran-1-one,2-hydroxymethylbenzoic acid, gamma-lactone PubChem CID: 6885 ChEBI: CHEBI:38085 IUPAC Name: 3H-2-benzofuran-1-one SMILES: C1C2=CC=CC=C2C(=O)O1

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PubChem CID	6885
CAS	87-41-2
Molecular Weight (g/mol)	134.134
ChEBI	CHEBI:38085
MDL Number	MFCD00005906
SMILES	C1C2=CC=CC=C2C(=O)O1
Synonym	phthalide,isobenzofuran-1 3h-one,1 3h-isobenzofuranone,1-phthalanone,phthalolactone,2-benzofuran-1 3h-one,isobenzofuranone,phthalanone,3h-isobenzofuran-1-one,2-hydroxymethylbenzoic acid, gamma-lactone
IUPAC Name	3H-2-benzofuran-1-one
InChI Key	WNZQDUSMALZDQF-UHFFFAOYSA-N
Molecular Formula	C8H6O2

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Xanthydrol, 98+%

CAS: 90-46-0 Molecular Formula: C13H10O2 Molecular Weight (g/mol): 198.221 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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PubChem CID	72861
CAS	90-46-0
Molecular Weight (g/mol)	198.221
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

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Ethyl isodehydroacetate, 95%, Thermo Scientific™

CAS: 3385-34-0 Molecular Formula: C10H12O4 Molecular Weight (g/mol): 196.20 MDL Number: MFCD00006643 InChI Key: FBPWNVQUVXSXKS-UHFFFAOYSA-N Synonym: ethyl isodehydroacetate,ethyl 4,6-dimethyl-2-oxo-2h-pyran-5-carboxylate,ethyl isodehydracetate,5-carbethoxy-4,6-dimethyl-2-pyrone,2h-pyran-5-carboxylic acid, 4,6-dimethyl-2-oxo-, ethyl ester,ethyl 4,6-dimethyl-5-coumalate,2,4-dimethyl-6-oxo-6h-pyran-3-carboxylic acid ethyl ester,ethylisodehydroacetate,ethyl 4,6-dimethyl-2-oxopyran-5-carboxylate,acmc-20am57 PubChem CID: 76918 IUPAC Name: ethyl 2,4-dimethyl-6-oxopyran-3-carboxylate SMILES: CCOC(=O)C1=C(C)OC(=O)C=C1C

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PubChem CID	76918
CAS	3385-34-0
Molecular Weight (g/mol)	196.20
MDL Number	MFCD00006643
SMILES	CCOC(=O)C1=C(C)OC(=O)C=C1C
Synonym	ethyl isodehydroacetate,ethyl 4,6-dimethyl-2-oxo-2h-pyran-5-carboxylate,ethyl isodehydracetate,5-carbethoxy-4,6-dimethyl-2-pyrone,2h-pyran-5-carboxylic acid, 4,6-dimethyl-2-oxo-, ethyl ester,ethyl 4,6-dimethyl-5-coumalate,2,4-dimethyl-6-oxo-6h-pyran-3-carboxylic acid ethyl ester,ethylisodehydroacetate,ethyl 4,6-dimethyl-2-oxopyran-5-carboxylate,acmc-20am57
IUPAC Name	ethyl 2,4-dimethyl-6-oxopyran-3-carboxylate
InChI Key	FBPWNVQUVXSXKS-UHFFFAOYSA-N
Molecular Formula	C10H12O4

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

CAS: 859851-00-6 Molecular Formula: C9H8N2O3 Molecular Weight (g/mol): 192.17 MDL Number: MFCD08271950 InChI Key: MOPCEJWYTICWJM-UHFFFAOYSA-N Synonym: 3-2-furyl-1-methyl-1h-pyrazole-5-carboxylic acid,5-furan-2-yl-2-methylpyrazole-3-carboxylic acid,3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl,3-fur-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1-methylpyrazole-5-carboxylic acid PubChem CID: 7537643 SMILES: CN1N=C(C=C1C(O)=O)C1=CC=CO1

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PubChem CID	7537643
CAS	859851-00-6
Molecular Weight (g/mol)	192.17
MDL Number	MFCD08271950
SMILES	CN1N=C(C=C1C(O)=O)C1=CC=CO1
Synonym	3-2-furyl-1-methyl-1h-pyrazole-5-carboxylic acid,5-furan-2-yl-2-methylpyrazole-3-carboxylic acid,3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl,3-fur-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1-methylpyrazole-5-carboxylic acid
InChI Key	MOPCEJWYTICWJM-UHFFFAOYSA-N
Molecular Formula	C9H8N2O3

Benzo[b]furan-7-carboxylic acid, Thermo Scientific™

CAS: 90484-22-3 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.14 MDL Number: MFCD10000617 InChI Key: QMHILIQFOBNARN-UHFFFAOYSA-N Synonym: benzofuran-7-carboxylic acid,benzofuran-7-carboxylicacid,7-benzofuranylcarboxylic acid,benzo b furan-7-carboxylic acid,7-benzofurancarboxylic acid,4ahs,7-benzofurancarboxylicacid,akh PubChem CID: 13307983 IUPAC Name: 1-benzofuran-7-carboxylic acid SMILES: OC(=O)C1=C2OC=CC2=CC=C1

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PubChem CID	13307983
CAS	90484-22-3
Molecular Weight (g/mol)	162.14
MDL Number	MFCD10000617
SMILES	OC(=O)C1=C2OC=CC2=CC=C1
Synonym	benzofuran-7-carboxylic acid,benzofuran-7-carboxylicacid,7-benzofuranylcarboxylic acid,benzo b furan-7-carboxylic acid,7-benzofurancarboxylic acid,4ahs,7-benzofurancarboxylicacid,akh
IUPAC Name	1-benzofuran-7-carboxylic acid
InChI Key	QMHILIQFOBNARN-UHFFFAOYSA-N
Molecular Formula	C9H6O3

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16-Hexadecanolide, 97%

CAS: 109-29-5 Molecular Formula: C16H30O2 Molecular Weight (g/mol): 254.41 MDL Number: MFCD00039668 InChI Key: LOKPJYNMYCVCRM-UHFFFAOYSA-N Synonym: 16-hexadecanolide,hexadecanolide,cyclohexadecanolide,16-hexadecanolactone,1,16-hexadecanolide,dihydroambrettolide,juniperic acid lactone,1,16-hexadecanolactone,hexadecanolactone,16-hydroxyhexadecanoic acid lactone PubChem CID: 7984 SMILES: O=C1CCCCCCCCCCCCCCCO1

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PubChem CID	7984
CAS	109-29-5
Molecular Weight (g/mol)	254.41
MDL Number	MFCD00039668
SMILES	O=C1CCCCCCCCCCCCCCCO1
Synonym	16-hexadecanolide,hexadecanolide,cyclohexadecanolide,16-hexadecanolactone,1,16-hexadecanolide,dihydroambrettolide,juniperic acid lactone,1,16-hexadecanolactone,hexadecanolactone,16-hydroxyhexadecanoic acid lactone
InChI Key	LOKPJYNMYCVCRM-UHFFFAOYSA-N
Molecular Formula	C16H30O2

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Ethyl 3-(2-furyl)-1H-pyrazole-5-carboxylate, 98%, Thermo Scientific Chemicals

CAS: 33545-44-7 Molecular Formula: C10H10N2O3 Molecular Weight (g/mol): 206.20 MDL Number: MFCD09953454,MFCD06797478 InChI Key: GSVBXAZEQDJUOY-UHFFFAOYSA-N Synonym: ethyl 5-2-furyl-1h-pyrazole-3-carboxylate,ethyl 5-furan-2-yl-1h-pyrazole-3-carboxylate,ethyl 3-furan-2-yl-1h-pyrazole-5-carboxylate,ethyl 5-fur-2-yl-1h-pyrazole-3-carboxylate,ethyl 5-2-furyl pyrazole-3-carboxylate,ethyl 5-furan-2-yl-2h-pyrazole-3-carboxylate,aronis23991,ethyl 3-2-furyl pyrazole-5-carboxylate,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-, ethyl ester PubChem CID: 7127811 IUPAC Name: ethyl 3-(furan-2-yl)-1H-pyrazole-5-carboxylate SMILES: CCOC(=O)C1=CC(=NN1)C1=CC=CO1

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PubChem CID	7127811
CAS	33545-44-7
Molecular Weight (g/mol)	206.20
MDL Number	MFCD09953454,MFCD06797478
SMILES	CCOC(=O)C1=CC(=NN1)C1=CC=CO1
Synonym	ethyl 5-2-furyl-1h-pyrazole-3-carboxylate,ethyl 5-furan-2-yl-1h-pyrazole-3-carboxylate,ethyl 3-furan-2-yl-1h-pyrazole-5-carboxylate,ethyl 5-fur-2-yl-1h-pyrazole-3-carboxylate,ethyl 5-2-furyl pyrazole-3-carboxylate,ethyl 5-furan-2-yl-2h-pyrazole-3-carboxylate,aronis23991,ethyl 3-2-furyl pyrazole-5-carboxylate,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-, ethyl ester
IUPAC Name	ethyl 3-(furan-2-yl)-1H-pyrazole-5-carboxylate
InChI Key	GSVBXAZEQDJUOY-UHFFFAOYSA-N
Molecular Formula	C10H10N2O3

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2,2,4-Trimethyl-1,3-dioxolane, 99%

CAS: 1193-11-9 Molecular Formula: C6H12O2 Molecular Weight (g/mol): 116.16 MDL Number: MFCD00090841 InChI Key: ALTFLAPROMVXNX-UHFFFAOYNA-N PubChem CID: 62384 IUPAC Name: 2,2,4-trimethyl-1,3-dioxolane SMILES: CC1COC(C)(C)O1

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PubChem CID	62384
CAS	1193-11-9
Molecular Weight (g/mol)	116.16
MDL Number	MFCD00090841
SMILES	CC1COC(C)(C)O1
IUPAC Name	2,2,4-trimethyl-1,3-dioxolane
InChI Key	ALTFLAPROMVXNX-UHFFFAOYNA-N
Molecular Formula	C6H12O2

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6-Aminophthalide, 95%

CAS: 57319-65-0 Molecular Formula: C8H7NO2 Molecular Weight (g/mol): 149.149 MDL Number: MFCD00033530 InChI Key: ZIJZDNKZJZUROE-UHFFFAOYSA-N Synonym: 6-aminophthalide,6-aminoisobenzofuran-1 3h-one,6-amino-1,3-dihydroisobenzofuran-1-one,6-amino-2-benzofuran-1 3h-one,6-amino-3h-isobenzofuran-1-one,1 3h-isobenzofuranone, 6-amino,6-amino-1,3-dihydro-2-benzofuran-1-one,6-amino-1 3h-isobenzofuranone,6-amino-3-hydroisobenzofuran-1-one,6-aminophthalid PubChem CID: 93631 IUPAC Name: 6-amino-3H-2-benzofuran-1-one SMILES: C1C2=C(C=C(C=C2)N)C(=O)O1

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PubChem CID	93631
CAS	57319-65-0
Molecular Weight (g/mol)	149.149
MDL Number	MFCD00033530
SMILES	C1C2=C(C=C(C=C2)N)C(=O)O1
Synonym	6-aminophthalide,6-aminoisobenzofuran-1 3h-one,6-amino-1,3-dihydroisobenzofuran-1-one,6-amino-2-benzofuran-1 3h-one,6-amino-3h-isobenzofuran-1-one,1 3h-isobenzofuranone, 6-amino,6-amino-1,3-dihydro-2-benzofuran-1-one,6-amino-1 3h-isobenzofuranone,6-amino-3-hydroisobenzofuran-1-one,6-aminophthalid
IUPAC Name	6-amino-3H-2-benzofuran-1-one
InChI Key	ZIJZDNKZJZUROE-UHFFFAOYSA-N
Molecular Formula	C8H7NO2

100

Oxazole-4-carboxylic acid, 97%

CAS: 23012-13-7 Molecular Formula: C₄H₃NO₃ Molecular Weight (g/mol): 113.07 MDL Number: MFCD06797151 InChI Key: JBCFJMYPJJWIRG-UHFFFAOYSA-N Synonym: oxazole-4-carboxylic acid,4-oxazolecarboxylic acid,4-oxazolecarboxylicacid,4-carboxy-1,3-oxazole,oxazole-4-carboxylic,4-oxazolecarboxlic acid,pubchem11025,4-carboxyoxazole,4-oxazolecarboxylic acid ep PubChem CID: 14281430 IUPAC Name: 1,3-oxazole-4-carboxylic acid SMILES: C1=C(N=CO1)C(=O)O

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PubChem CID	14281430
CAS	23012-13-7
Molecular Weight (g/mol)	113.07
MDL Number	MFCD06797151
SMILES	C1=C(N=CO1)C(=O)O
Synonym	oxazole-4-carboxylic acid,4-oxazolecarboxylic acid,4-oxazolecarboxylicacid,4-carboxy-1,3-oxazole,oxazole-4-carboxylic,4-oxazolecarboxlic acid,pubchem11025,4-carboxyoxazole,4-oxazolecarboxylic acid ep
IUPAC Name	1,3-oxazole-4-carboxylic acid
InChI Key	JBCFJMYPJJWIRG-UHFFFAOYSA-N
Molecular Formula	C₄H₃NO₃

101

Xanthydrol for the Detection of Urea, ≥99.0% (HPLC), MilliporeSigma™ Supelco™

MDL Number: MFCD00005057 Synonym: 9-Hydroxyxanthene; 9-Xanthenol

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Specifications

MDL Number	MFCD00005057
Synonym	9-Hydroxyxanthene; 9-Xanthenol

102

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6-Methylchromone, 98%

CAS: 38445-23-7 Molecular Formula: C10H8O2 Molecular Weight (g/mol): 160.172 MDL Number: MFCD00218598 InChI Key: HTXQVFXXVXOLCF-UHFFFAOYSA-N Synonym: 6-methylchromone,6-methyl-4h-chromen-4-one,6-methylchromone hydrate,chromone, 6-methyl,acmc-20aly0,6-methyl-4h-chromen-4-one #,6-methyl-4-oxo-4h-1-benzopyran,6-methyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one,6-methyl PubChem CID: 594810 IUPAC Name: 6-methylchromen-4-one SMILES: CC1=CC2=C(C=C1)OC=CC2=O

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PubChem CID	594810
CAS	38445-23-7
Molecular Weight (g/mol)	160.172
MDL Number	MFCD00218598
SMILES	CC1=CC2=C(C=C1)OC=CC2=O
Synonym	6-methylchromone,6-methyl-4h-chromen-4-one,6-methylchromone hydrate,chromone, 6-methyl,acmc-20aly0,6-methyl-4h-chromen-4-one #,6-methyl-4-oxo-4h-1-benzopyran,6-methyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one,6-methyl
IUPAC Name	6-methylchromen-4-one
InChI Key	HTXQVFXXVXOLCF-UHFFFAOYSA-N
Molecular Formula	C10H8O2

103

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2,3-Dimethylmaleic anhydride, 97%

CAS: 766-39-2 Molecular Formula: C6H6O3 Molecular Weight (g/mol): 126.111 MDL Number: MFCD00005523 InChI Key: MFGALGYVFGDXIX-UHFFFAOYSA-N Synonym: 2,3-dimethylmaleic anhydride,dimethylmaleic anhydride,2,5-furandione, 3,4-dimethyl,pyrocinchonic anhydride,maleic anhydride, dimethyl,dimethylmaleic acid anhydride,2,3-dimethylmaleicanhydride,unii-6pp3n541qa,3,4-dimethyl-furan-2,5-dione,alpha,beta-dimethylmaleic anhydride PubChem CID: 13010 IUPAC Name: 3,4-dimethylfuran-2,5-dione SMILES: CC1=C(C(=O)OC1=O)C

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PubChem CID	13010
CAS	766-39-2
Molecular Weight (g/mol)	126.111
MDL Number	MFCD00005523
SMILES	CC1=C(C(=O)OC1=O)C
Synonym	2,3-dimethylmaleic anhydride,dimethylmaleic anhydride,2,5-furandione, 3,4-dimethyl,pyrocinchonic anhydride,maleic anhydride, dimethyl,dimethylmaleic acid anhydride,2,3-dimethylmaleicanhydride,unii-6pp3n541qa,3,4-dimethyl-furan-2,5-dione,alpha,beta-dimethylmaleic anhydride
IUPAC Name	3,4-dimethylfuran-2,5-dione
InChI Key	MFGALGYVFGDXIX-UHFFFAOYSA-N
Molecular Formula	C6H6O3

104

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

CAS: 108128-39-8 Molecular Formula: C9H8N2O3 Molecular Weight (g/mol): 192.17 MDL Number: MFCD08060535 InChI Key: XXEWHNSDJMBLBK-UHFFFAOYSA-N Synonym: 5-2-furyl-1-methyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1-methylpyrazole-3-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-1-methyl,5-furan-2-yl-1-methyl-1h-pyrazole-3-carboxylic acid,acmc-1btkv,5-2-furyl-1-methylpyrazole-3-carboxylic acid PubChem CID: 7537639 SMILES: CN1N=C(C=C1C1=CC=CO1)C(O)=O

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PubChem CID	7537639
CAS	108128-39-8
Molecular Weight (g/mol)	192.17
MDL Number	MFCD08060535
SMILES	CN1N=C(C=C1C1=CC=CO1)C(O)=O
Synonym	5-2-furyl-1-methyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1-methylpyrazole-3-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-1-methyl,5-furan-2-yl-1-methyl-1h-pyrazole-3-carboxylic acid,acmc-1btkv,5-2-furyl-1-methylpyrazole-3-carboxylic acid
InChI Key	XXEWHNSDJMBLBK-UHFFFAOYSA-N
Molecular Formula	C9H8N2O3

105

2-(2-Furyl)benzonitrile 97+%, Thermo Scientific™

CAS: 155395-45-2 Molecular Formula: C11H7NO Molecular Weight (g/mol): 169.18 MDL Number: MFCD04039074 InChI Key: XLZNEBADSPRURH-UHFFFAOYSA-N Synonym: 2-2-furyl benzonitrile,2-furan-2-yl benzonitrile,2-furan-2-yl-benzonitrile,benzonitrile,2-2-furanyl,2-2-furanyl benzonitrile,2-2-furyl benzenecarbonitrile,2-furan-2-yl benzenecarbonitrile PubChem CID: 4335608 IUPAC Name: 2-(furan-2-yl)benzonitrile SMILES: N#CC1=CC=CC=C1C1=CC=CO1

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Specifications

PubChem CID	4335608
CAS	155395-45-2
Molecular Weight (g/mol)	169.18
MDL Number	MFCD04039074
SMILES	N#CC1=CC=CC=C1C1=CC=CO1
Synonym	2-2-furyl benzonitrile,2-furan-2-yl benzonitrile,2-furan-2-yl-benzonitrile,benzonitrile,2-2-furanyl,2-2-furanyl benzonitrile,2-2-furyl benzenecarbonitrile,2-furan-2-yl benzenecarbonitrile
IUPAC Name	2-(furan-2-yl)benzonitrile
InChI Key	XLZNEBADSPRURH-UHFFFAOYSA-N
Molecular Formula	C11H7NO

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