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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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Keyword Search:
1 – 15 of 169 results
1

Maleic anhydride, briquettes

CAS: 108-31-6 Molecular Formula: C4H2O3 Molecular Weight (g/mol): 98.06 MDL Number: MFCD00005518 InChI Key: FPYJFEHAWHCUMM-UHFFFAOYSA-N IUPAC Name: 2,5-dihydrofuran-2,5-dione SMILES: O=C1OC(=O)C=C1

CAS 108-31-6
Molecular Weight (g/mol) 98.06
MDL Number MFCD00005518
SMILES O=C1OC(=O)C=C1
IUPAC Name 2,5-dihydrofuran-2,5-dione
InChI Key FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula C4H2O3
2

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

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
3

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

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

MDL Number MFCD00005057
Synonym 9-Hydroxyxanthene; 9-Xanthenol
4

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.

5

Maleic anhydride, 99%, pastilles

CAS: 108-31-6 Molecular Formula: C4H2O3 Molecular Weight (g/mol): 98.06 MDL Number: MFCD00005518 InChI Key: FPYJFEHAWHCUMM-UHFFFAOYSA-N Synonym: maleic anhydride,2,5-furandione,maleic acid anhydride,toxilic anhydride,dihydro-2,5-dioxofuran,cis-butenedioic anhydride,2,5-dihydrofuran-2,5-dione,polymaleic anhydride,maleinanhydrid,rcra waste number u147 PubChem CID: 7923 ChEBI: CHEBI:474859 SMILES: O=C1OC(=O)C=C1

PubChem CID 7923
CAS 108-31-6
Molecular Weight (g/mol) 98.06
ChEBI CHEBI:474859
MDL Number MFCD00005518
SMILES O=C1OC(=O)C=C1
Synonym maleic anhydride,2,5-furandione,maleic acid anhydride,toxilic anhydride,dihydro-2,5-dioxofuran,cis-butenedioic anhydride,2,5-dihydrofuran-2,5-dione,polymaleic anhydride,maleinanhydrid,rcra waste number u147
InChI Key FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula C4H2O3
6

Benzo[b]furan, 97+%

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

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
7

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

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
8

4,6-Diphenyl-2-pyrone, 98%

CAS: 17372-52-0 Molecular Formula: C17H12O2 Molecular Weight (g/mol): 248.28 MDL Number: MFCD00031018 InChI Key: DDGIHXFDWLCKRZ-UHFFFAOYSA-N PubChem CID: 296685 IUPAC Name: 4,6-diphenylpyran-2-one SMILES: O=C1OC(=CC(=C1)C1=CC=CC=C1)C1=CC=CC=C1

PubChem CID 296685
CAS 17372-52-0
Molecular Weight (g/mol) 248.28
MDL Number MFCD00031018
SMILES O=C1OC(=CC(=C1)C1=CC=CC=C1)C1=CC=CC=C1
IUPAC Name 4,6-diphenylpyran-2-one
InChI Key DDGIHXFDWLCKRZ-UHFFFAOYSA-N
Molecular Formula C17H12O2
9

Pentadecanolide, 98%

CAS: 106-02-5 Molecular Formula: C15H28O2 Molecular Weight (g/mol): 240.387 MDL Number: MFCD00039667 InChI Key: FKUPPRZPSYCDRS-UHFFFAOYSA-N Synonym: cyclopentadecanolide,exaltolide,pentadecanolide,15-pentadecanolide,pentalide,thibetolide,pentadecan-15-olide,pentadecalactone,muskalactone,muskolactone PubChem CID: 235414 IUPAC Name: oxacyclohexadecan-2-one SMILES: C1CCCCCCCOC(=O)CCCCCC1

PubChem CID 235414
CAS 106-02-5
Molecular Weight (g/mol) 240.387
MDL Number MFCD00039667
SMILES C1CCCCCCCOC(=O)CCCCCC1
Synonym cyclopentadecanolide,exaltolide,pentadecanolide,15-pentadecanolide,pentalide,thibetolide,pentadecan-15-olide,pentadecalactone,muskalactone,muskolactone
IUPAC Name oxacyclohexadecan-2-one
InChI Key FKUPPRZPSYCDRS-UHFFFAOYSA-N
Molecular Formula C15H28O2
10

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: 2,3-dihydro-1,3-benzoxazol-2-one SMILES: O=C1NC2=CC=CC=C2O1

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 2,3-dihydro-1,3-benzoxazol-2-one
InChI Key ASSKVPFEZFQQNQ-UHFFFAOYSA-N
Molecular Formula C7H5NO2
11

1,4-Cyclohexanedione bis(ethylene acetal), 99%

CAS: 183-97-1 Molecular Formula: C10H16O4 Molecular Weight (g/mol): 200.234 MDL Number: MFCD00010851 InChI Key: YSMVSEYPOBXSOK-UHFFFAOYSA-N Synonym: 1,4-cyclohexanedione bis ethylene ketal,1,4,9,12-tetraoxadispiro 4.2.4.2 tetradecane,1,4-cyclohexanedione bis ethylene acetal,1,4,9,12-tetraoxadispiro 4,2,4,2 tetradecane,1,4-cyclohexanedione bis ethyleneketal,1,4,9,12-tetraoxadispiro 4.2.4^ 8 .2^ 5 tetradecane,1,4,9,12-tetraoxadispiro 4.2.4?.2? tetradecane,maybridge1_006651,1,4-cyclohexanedione ethyleneketal PubChem CID: 135986 IUPAC Name: 1,4,9,12-tetraoxadispiro[4.2.4^{8}.2^{5}]tetradecane SMILES: C1CC2(CCC13OCCO3)OCCO2

PubChem CID 135986
CAS 183-97-1
Molecular Weight (g/mol) 200.234
MDL Number MFCD00010851
SMILES C1CC2(CCC13OCCO3)OCCO2
Synonym 1,4-cyclohexanedione bis ethylene ketal,1,4,9,12-tetraoxadispiro 4.2.4.2 tetradecane,1,4-cyclohexanedione bis ethylene acetal,1,4,9,12-tetraoxadispiro 4,2,4,2 tetradecane,1,4-cyclohexanedione bis ethyleneketal,1,4,9,12-tetraoxadispiro 4.2.4^ 8 .2^ 5 tetradecane,1,4,9,12-tetraoxadispiro 4.2.4?.2? tetradecane,maybridge1_006651,1,4-cyclohexanedione ethyleneketal
IUPAC Name 1,4,9,12-tetraoxadispiro[4.2.4^{8}.2^{5}]tetradecane
InChI Key YSMVSEYPOBXSOK-UHFFFAOYSA-N
Molecular Formula C10H16O4
12

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

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
13

Chloroxazone, 98%

CAS: 95-25-0 Molecular Formula: C7H4ClNO2 Molecular Weight (g/mol): 169.57 MDL Number: MFCD00005717 InChI Key: TZFWDZFKRBELIQ-UHFFFAOYSA-N Synonym: chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin PubChem CID: 2733 ChEBI: CHEBI:3655 IUPAC Name: 5-chloro-3H-1,3-benzoxazol-2-one SMILES: C1=CC2=C(C=C1Cl)NC(=O)O2

PubChem CID 2733
CAS 95-25-0
Molecular Weight (g/mol) 169.57
ChEBI CHEBI:3655
MDL Number MFCD00005717
SMILES C1=CC2=C(C=C1Cl)NC(=O)O2
Synonym chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin
IUPAC Name 5-chloro-3H-1,3-benzoxazol-2-one
InChI Key TZFWDZFKRBELIQ-UHFFFAOYSA-N
Molecular Formula C7H4ClNO2
14

4-Methylphthalic anhydride, 96%

CAS: 19438-61-0 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.14 MDL Number: MFCD00041856 InChI Key: ZOXBWJMCXHTKNU-UHFFFAOYSA-N Synonym: 4-methylphthalic anhydride,5-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 5-methyl,unii-2p2740fpck,phthalic anhydride, 4-methyl,dsstox_cid_7805,5-methyl-1,3-dihydro-2-benzofuran-1,3-dione,dsstox_rid_78575,dsstox_gsid_27805,4methylphthalic anhydride PubChem CID: 88069 IUPAC Name: 5-methyl-2-benzofuran-1,3-dione SMILES: CC1=CC2=C(C=C1)C(=O)OC2=O

PubChem CID 88069
CAS 19438-61-0
Molecular Weight (g/mol) 162.14
MDL Number MFCD00041856
SMILES CC1=CC2=C(C=C1)C(=O)OC2=O
Synonym 4-methylphthalic anhydride,5-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 5-methyl,unii-2p2740fpck,phthalic anhydride, 4-methyl,dsstox_cid_7805,5-methyl-1,3-dihydro-2-benzofuran-1,3-dione,dsstox_rid_78575,dsstox_gsid_27805,4methylphthalic anhydride
IUPAC Name 5-methyl-2-benzofuran-1,3-dione
InChI Key ZOXBWJMCXHTKNU-UHFFFAOYSA-N
Molecular Formula C9H6O3
15

Chromone-3-carboxylic acid, 98%

CAS: 39079-62-4 Molecular Formula: C10H6O4 Molecular Weight (g/mol): 190.154 MDL Number: MFCD00017338 InChI Key: PCIITXGDSHXTSN-UHFFFAOYSA-N Synonym: chromone-3-carboxylic acid,4-oxo-4h-chromene-3-carboxylic acid,4-oxo-4h-1-benzopyran-3-carboxylic acid,maybridge1_005842,3-carboxychromone,d04tgn,acmc-1ad65,4-oxo-chromene-3-carboxylic acid,4h-chromen-4-one-3-carboxylic acid PubChem CID: 181620 IUPAC Name: 4-oxochromene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=O)C(=CO2)C(=O)O

PubChem CID 181620
CAS 39079-62-4
Molecular Weight (g/mol) 190.154
MDL Number MFCD00017338
SMILES C1=CC=C2C(=C1)C(=O)C(=CO2)C(=O)O
Synonym chromone-3-carboxylic acid,4-oxo-4h-chromene-3-carboxylic acid,4-oxo-4h-1-benzopyran-3-carboxylic acid,maybridge1_005842,3-carboxychromone,d04tgn,acmc-1ad65,4-oxo-chromene-3-carboxylic acid,4h-chromen-4-one-3-carboxylic acid
IUPAC Name 4-oxochromene-3-carboxylic acid
InChI Key PCIITXGDSHXTSN-UHFFFAOYSA-N
Molecular Formula C10H6O4