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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136 – 150 of 335 results

136

Chromone-3-carbonitrile 98.0+%, TCI America™

CAS: 50743-17-4 Molecular Formula: C10H5NO2 Molecular Weight (g/mol): 171.16 MDL Number: MFCD00052604 InChI Key: SFWNPLLGXKJESA-UHFFFAOYSA-N Synonym: 3-cyanochromone,chromone-3-carbonitrile,4-oxo-4h-chromene-3-carbonitrile,4-oxo-4h-1-benzopyran-3-carbonitrile,acmc-20an5h,maybridge1_006148,4-oxo-chromene-3-carbonitrile,3-cyano-4h-1-benzopyran-4-one,4-oxo-1-benzopyran-3-carbonitrile PubChem CID: 521298 IUPAC Name: 4-oxo-4H-chromene-3-carbonitrile SMILES: O=C1C(=COC2=CC=CC=C12)C#N

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PubChem CID	521298
CAS	50743-17-4
Molecular Weight (g/mol)	171.16
MDL Number	MFCD00052604
SMILES	O=C1C(=COC2=CC=CC=C12)C#N
Synonym	3-cyanochromone,chromone-3-carbonitrile,4-oxo-4h-chromene-3-carbonitrile,4-oxo-4h-1-benzopyran-3-carbonitrile,acmc-20an5h,maybridge1_006148,4-oxo-chromene-3-carbonitrile,3-cyano-4h-1-benzopyran-4-one,4-oxo-1-benzopyran-3-carbonitrile
IUPAC Name	4-oxo-4H-chromene-3-carbonitrile
InChI Key	SFWNPLLGXKJESA-UHFFFAOYSA-N
Molecular Formula	C10H5NO2

137

1,3,2-Dioxathiolane 2-Oxide 98.0+%, TCI America™

CAS: 3741-38-6 Molecular Formula: C2H4O3S Molecular Weight (g/mol): 108.11 MDL Number: MFCD00005354 InChI Key: WDXYVJKNSMILOQ-UHFFFAOYSA-N Synonym: ethylene sulfite,glycol sulfite,1,3,2-dioxathiolane, 2-oxide,glycolsulfite,1,2-ethylene sulfite,cyclic ethylene sulfite,ethylene glycol cyclic sulfite,ethylene glycol, cyclic sulfite,ethylene sulphite,sulfurous acid, cyclic ester with ethylene glycol PubChem CID: 77342 IUPAC Name: 1,3,2λ⁴-dioxathiolan-2-one SMILES: O=S1OCCO1

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PubChem CID	77342
CAS	3741-38-6
Molecular Weight (g/mol)	108.11
MDL Number	MFCD00005354
SMILES	O=S1OCCO1
Synonym	ethylene sulfite,glycol sulfite,1,3,2-dioxathiolane, 2-oxide,glycolsulfite,1,2-ethylene sulfite,cyclic ethylene sulfite,ethylene glycol cyclic sulfite,ethylene glycol, cyclic sulfite,ethylene sulphite,sulfurous acid, cyclic ester with ethylene glycol
IUPAC Name	1,3,2λ⁴-dioxathiolan-2-one
InChI Key	WDXYVJKNSMILOQ-UHFFFAOYSA-N
Molecular Formula	C2H4O3S

138

1-Isochromanone 98.0+%, TCI America™

CAS: 4702-34-5 Molecular Formula: C9H8O2 Molecular Weight (g/mol): 148.16 MDL Number: MFCD00799232 InChI Key: XVTAQSGZOGYIEY-UHFFFAOYSA-N Synonym: 3,4-Dihydro-1H-2-benzopyran-1-one PubChem CID: 78429 ChEBI: CHEBI:23745 IUPAC Name: 3,4-dihydro-1H-2-benzopyran-1-one SMILES: O=C1OCCC2=CC=CC=C12

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Specifications

PubChem CID	78429
CAS	4702-34-5
Molecular Weight (g/mol)	148.16
ChEBI	CHEBI:23745
MDL Number	MFCD00799232
SMILES	O=C1OCCC2=CC=CC=C12
Synonym	3,4-Dihydro-1H-2-benzopyran-1-one
IUPAC Name	3,4-dihydro-1H-2-benzopyran-1-one
InChI Key	XVTAQSGZOGYIEY-UHFFFAOYSA-N
Molecular Formula	C9H8O2

139

6-Methylflavone 98.0+%, TCI America™

CAS: 29976-75-8 Molecular Formula: C16H12O2 Molecular Weight (g/mol): 236.27 MDL Number: MFCD00017461 InChI Key: NOQJBXPAMJLUSS-UHFFFAOYSA-N PubChem CID: 689013 IUPAC Name: 6-methyl-2-phenylchromen-4-one SMILES: CC1=CC2=C(C=C1)OC(=CC2=O)C3=CC=CC=C3

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Specifications

PubChem CID	689013
CAS	29976-75-8
Molecular Weight (g/mol)	236.27
MDL Number	MFCD00017461
SMILES	CC1=CC2=C(C=C1)OC(=CC2=O)C3=CC=CC=C3
IUPAC Name	6-methyl-2-phenylchromen-4-one
InChI Key	NOQJBXPAMJLUSS-UHFFFAOYSA-N
Molecular Formula	C16H12O2

140

Diphenic Anhydride 98.0+%, TCI America™

CAS: 6050-13-1 Molecular Formula: C14H8O3 Molecular Weight (g/mol): 224.215 MDL Number: MFCD00004993 InChI Key: RTSGJTANVBJFFJ-UHFFFAOYSA-N Synonym: diphenic anhydride,dibenzo c,e oxepine-5,7-dione,dibenz c,e oxepin-5,7-dione,2,2'-biphenyldicarboxylic anhydride,2,2'-diphenyldicarboxylic anhydride,diphenic acid anhydride,2,2-biphenyldicarboxylic anhydride,dibenz c,7-dione,dibenzo c,e oxepane-5,7-dione PubChem CID: 72794 IUPAC Name: benzo[d][2]benzoxepine-5,7-dione SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3C(=O)OC2=O

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Specifications

PubChem CID	72794
CAS	6050-13-1
Molecular Weight (g/mol)	224.215
MDL Number	MFCD00004993
SMILES	C1=CC=C2C(=C1)C3=CC=CC=C3C(=O)OC2=O
Synonym	diphenic anhydride,dibenzo c,e oxepine-5,7-dione,dibenz c,e oxepin-5,7-dione,2,2'-biphenyldicarboxylic anhydride,2,2'-diphenyldicarboxylic anhydride,diphenic acid anhydride,2,2-biphenyldicarboxylic anhydride,dibenz c,7-dione,dibenzo c,e oxepane-5,7-dione
IUPAC Name	benzo[d][2]benzoxepine-5,7-dione
InChI Key	RTSGJTANVBJFFJ-UHFFFAOYSA-N
Molecular Formula	C14H8O3

141

Ethyl 4-Oxazolecarboxylate 96.0+%, TCI America™

CAS: 23012-14-8 Molecular Formula: C6H7NO3 Molecular Weight (g/mol): 141.126 MDL Number: MFCD04114940 InChI Key: UBESIXFCSFYQNK-UHFFFAOYSA-N Synonym: 4-Oxazolecarboxylic Acid Ethyl Ester PubChem CID: 2763217 IUPAC Name: ethyl 1,3-oxazole-4-carboxylate SMILES: CCOC(=O)C1=COC=N1

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Specifications

PubChem CID	2763217
CAS	23012-14-8
Molecular Weight (g/mol)	141.126
MDL Number	MFCD04114940
SMILES	CCOC(=O)C1=COC=N1
Synonym	4-Oxazolecarboxylic Acid Ethyl Ester
IUPAC Name	ethyl 1,3-oxazole-4-carboxylate
InChI Key	UBESIXFCSFYQNK-UHFFFAOYSA-N
Molecular Formula	C6H7NO3

142

2-Ethyl-2-methyl-1,3-dioxolane 98.0+%, TCI America™

CAS: 126-39-6 Molecular Formula: C6H12O2 Molecular Weight (g/mol): 116.16 MDL Number: MFCD00014108 InChI Key: UPZFLZYXYGBAPL-UHFFFAOYSA-N Synonym: 2-methyl-2-ethyl-1,3-dioxolane,ethyleneacetic acid,2-butanone, cyclic ethylene acetal,2-ethyl-2-methyldioxolane,2-methyl-2-ethyldioxolane,1,3-dioxolane, ethylmethyl,1,3-dioxolane, 2-ethyl-2-methyl,unii-y488vjj1fv,2-butanone, cyclic 1,2-ethanediyl acetal,y488vjj1fv PubChem CID: 61067 IUPAC Name: 2-ethyl-2-methyl-1,3-dioxolane SMILES: CCC1(OCCO1)C

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Specifications

PubChem CID	61067
CAS	126-39-6
Molecular Weight (g/mol)	116.16
MDL Number	MFCD00014108
SMILES	CCC1(OCCO1)C
Synonym	2-methyl-2-ethyl-1,3-dioxolane,ethyleneacetic acid,2-butanone, cyclic ethylene acetal,2-ethyl-2-methyldioxolane,2-methyl-2-ethyldioxolane,1,3-dioxolane, ethylmethyl,1,3-dioxolane, 2-ethyl-2-methyl,unii-y488vjj1fv,2-butanone, cyclic 1,2-ethanediyl acetal,y488vjj1fv
IUPAC Name	2-ethyl-2-methyl-1,3-dioxolane
InChI Key	UPZFLZYXYGBAPL-UHFFFAOYSA-N
Molecular Formula	C6H12O2

143

2,3-Benzofuran 99.0+%, TCI America™

CAS: 271-89-6 Molecular Formula: C8H6O Molecular Weight (g/mol): 118.14 MDL Number: MFCD00005847 InChI Key: IANQTJSKSUMEQM-UHFFFAOYSA-N Synonym: benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene PubChem CID: 9223 ChEBI: CHEBI:35260 IUPAC Name: 1-benzofuran SMILES: O1C=CC2=CC=CC=C12

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Specifications

PubChem CID	9223
CAS	271-89-6
Molecular Weight (g/mol)	118.14
ChEBI	CHEBI:35260
MDL Number	MFCD00005847
SMILES	O1C=CC2=CC=CC=C12
Synonym	benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene
IUPAC Name	1-benzofuran
InChI Key	IANQTJSKSUMEQM-UHFFFAOYSA-N
Molecular Formula	C8H6O

144

6-Methylchromone-2-carboxylic Acid 98.0+%, TCI America™

CAS: 5006-44-0 Molecular Formula: C11H7O4 Molecular Weight (g/mol): 203.17 MDL Number: MFCD00239435 InChI Key: RKIDLZFIIVDZNX-UHFFFAOYSA-M Synonym: 6-methylchromone-2-carboxylic acid,6-methyl-4-oxo-4h-chromene-2-carboxylic acid,4h-1-benzopyran-2-carboxylic acid, 6-methyl-4-oxo,6-methyl-4-oxo-4h-1-benzopyran-2-carboxylic acid,maybridge3_003393,4h-1-benzopyran-2-carboxylicacid, 6-methyl-4-oxo PubChem CID: 688704 IUPAC Name: 6-methyl-4-oxo-4H-chromene-2-carboxylate SMILES: CC1=CC=C2OC(=CC(=O)C2=C1)C([O-])=O

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Specifications

PubChem CID	688704
CAS	5006-44-0
Molecular Weight (g/mol)	203.17
MDL Number	MFCD00239435
SMILES	CC1=CC=C2OC(=CC(=O)C2=C1)C([O-])=O
Synonym	6-methylchromone-2-carboxylic acid,6-methyl-4-oxo-4h-chromene-2-carboxylic acid,4h-1-benzopyran-2-carboxylic acid, 6-methyl-4-oxo,6-methyl-4-oxo-4h-1-benzopyran-2-carboxylic acid,maybridge3_003393,4h-1-benzopyran-2-carboxylicacid, 6-methyl-4-oxo
IUPAC Name	6-methyl-4-oxo-4H-chromene-2-carboxylate
InChI Key	RKIDLZFIIVDZNX-UHFFFAOYSA-M
Molecular Formula	C11H7O4

145

3,4-Thiophenedicarboxylic Anhydride 98.0+%, TCI America™

CAS: 6007-85-8 Molecular Formula: C6H2O3S Molecular Weight (g/mol): 154.139 InChI Key: XQTUSPVIMZCNPC-UHFFFAOYSA-N PubChem CID: 315608 IUPAC Name: thieno[3,4-c]furan-1,3-dione SMILES: C1=C2C(=CS1)C(=O)OC2=O

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PubChem CID	315608
CAS	6007-85-8
Molecular Weight (g/mol)	154.139
SMILES	C1=C2C(=CS1)C(=O)OC2=O
IUPAC Name	thieno[3,4-c]furan-1,3-dione
InChI Key	XQTUSPVIMZCNPC-UHFFFAOYSA-N
Molecular Formula	C6H2O3S

146

2-Coumaranone 98.0+%, TCI America™

CAS: 553-86-6 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 MDL Number: MFCD00005856 InChI Key: ACZGCWSMSTYWDQ-UHFFFAOYSA-N Synonym: 2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie PubChem CID: 68382 IUPAC Name: 3H-1-benzofuran-2-one SMILES: C1C2=CC=CC=C2OC1=O

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Specifications

PubChem CID	68382
CAS	553-86-6
Molecular Weight (g/mol)	134.134
MDL Number	MFCD00005856
SMILES	C1C2=CC=CC=C2OC1=O
Synonym	2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie
IUPAC Name	3H-1-benzofuran-2-one
InChI Key	ACZGCWSMSTYWDQ-UHFFFAOYSA-N
Molecular Formula	C8H6O2

147

Citraconic Anhydride 98.0+%, TCI America™

CAS: 616-02-4 Molecular Formula: C5H4O3 Molecular Weight (g/mol): 112.084 MDL Number: MFCD00005522 InChI Key: AYKYXWQEBUNJCN-UHFFFAOYSA-N Synonym: citraconic anhydride,2,5-furandione, 3-methyl,2-methylmaleic anhydride,methylmaleic anhydride,3-methylmaleic anhydride,citraconic acid anhydride,monomethylmaleic anhydride,maleic anhydride, methyl,2-methylmaleicanhydride,unii-105np7pmxx PubChem CID: 12012 IUPAC Name: 3-methylfuran-2,5-dione SMILES: CC1=CC(=O)OC1=O

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PubChem CID	12012
CAS	616-02-4
Molecular Weight (g/mol)	112.084
MDL Number	MFCD00005522
SMILES	CC1=CC(=O)OC1=O
Synonym	citraconic anhydride,2,5-furandione, 3-methyl,2-methylmaleic anhydride,methylmaleic anhydride,3-methylmaleic anhydride,citraconic acid anhydride,monomethylmaleic anhydride,maleic anhydride, methyl,2-methylmaleicanhydride,unii-105np7pmxx
IUPAC Name	3-methylfuran-2,5-dione
InChI Key	AYKYXWQEBUNJCN-UHFFFAOYSA-N
Molecular Formula	C5H4O3

148

alpha-Pyrone 98.0+%, TCI America™

CAS: 504-31-4 Molecular Formula: C5H4O2 Molecular Weight (g/mol): 96.085 MDL Number: MFCD00006639 InChI Key: ZPSJGADGUYYRKE-UHFFFAOYSA-N Synonym: 2h-pyran-2-one,alpha-pyrone,2-pyranone,2-pyrone,coumalin,pyrone,.alpha.-pyrone,unii-8ww45i202v,2-oxo-2h-pyran,oxidopyrylium PubChem CID: 68154 ChEBI: CHEBI:37965 IUPAC Name: pyran-2-one SMILES: C1=CC(=O)OC=C1

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Specifications

PubChem CID	68154
CAS	504-31-4
Molecular Weight (g/mol)	96.085
ChEBI	CHEBI:37965
MDL Number	MFCD00006639
SMILES	C1=CC(=O)OC=C1
Synonym	2h-pyran-2-one,alpha-pyrone,2-pyranone,2-pyrone,coumalin,pyrone,.alpha.-pyrone,unii-8ww45i202v,2-oxo-2h-pyran,oxidopyrylium
IUPAC Name	pyran-2-one
InChI Key	ZPSJGADGUYYRKE-UHFFFAOYSA-N
Molecular Formula	C5H4O2

149

Xanthene-9-carboxylic Acid 98.0+%, TCI America™

CAS: 82-07-5 Molecular Formula: C14H10O3 Molecular Weight (g/mol): 226.231 MDL Number: MFCD00005059 InChI Key: VSBFNCXKYIEYIS-UHFFFAOYSA-N Synonym: xanthene-9-carboxylic acid,xanthanoic acid,xanthenecarboxylic acid,9-xanthenecarboxylic acid,unii-63a81f6a8v,xanthene-9-carboxylicacid,pubchem17697,maybridge1_006340,9-xanthenylcarboxylic acid,chembl520 PubChem CID: 65736 IUPAC Name: 9H-xanthene-9-carboxylic acid SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)C(=O)O

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Specifications

PubChem CID	65736
CAS	82-07-5
Molecular Weight (g/mol)	226.231
MDL Number	MFCD00005059
SMILES	C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)C(=O)O
Synonym	xanthene-9-carboxylic acid,xanthanoic acid,xanthenecarboxylic acid,9-xanthenecarboxylic acid,unii-63a81f6a8v,xanthene-9-carboxylicacid,pubchem17697,maybridge1_006340,9-xanthenylcarboxylic acid,chembl520
IUPAC Name	9H-xanthene-9-carboxylic acid
InChI Key	VSBFNCXKYIEYIS-UHFFFAOYSA-N
Molecular Formula	C14H10O3

150

3-Methylbenzofuran 98.0+%, TCI America™

CAS: 21535-97-7 Molecular Formula: C9H8O Molecular Weight (g/mol): 132.16 MDL Number: MFCD00205641 InChI Key: ZRXHLJNBNWVNIM-UHFFFAOYSA-N Synonym: 3-methylbenzofuran,3-methyl-benzofuran,benzofuran, 3-methyl,3-methylbenzo b furan,acmc-209flj,# PubChem CID: 88939 IUPAC Name: 3-methyl-1-benzofuran SMILES: CC1=COC2=CC=CC=C12

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Specifications

PubChem CID	88939
CAS	21535-97-7
Molecular Weight (g/mol)	132.16
MDL Number	MFCD00205641
SMILES	CC1=COC2=CC=CC=C12
Synonym	3-methylbenzofuran,3-methyl-benzofuran,benzofuran, 3-methyl,3-methylbenzo b furan,acmc-209flj,#
IUPAC Name	3-methyl-1-benzofuran
InChI Key	ZRXHLJNBNWVNIM-UHFFFAOYSA-N
Molecular Formula	C9H8O

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