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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 168 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

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
3

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.

4

Flavone, 99%

CAS: 525-82-6 Molecular Formula: C15H10O2 Molecular Weight (g/mol): 222.243 MDL Number: MFCD00006825 InChI Key: VHBFFQKBGNRLFZ-UHFFFAOYSA-N Synonym: flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril PubChem CID: 10680 ChEBI: CHEBI:42491 IUPAC Name: 2-phenylchromen-4-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2

PubChem CID 10680
CAS 525-82-6
Molecular Weight (g/mol) 222.243
ChEBI CHEBI:42491
MDL Number MFCD00006825
SMILES C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2
Synonym flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril
IUPAC Name 2-phenylchromen-4-one
InChI Key VHBFFQKBGNRLFZ-UHFFFAOYSA-N
Molecular Formula C15H10O2
5

Maleic anhydride, 98+%

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 IUPAC Name: furan-2,5-dione 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
IUPAC Name furan-2,5-dione
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

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
8

4-Oxo-4H-1-benzopyran-2-carboxylic acid, 97%

CAS: 4940-39-0 Molecular Formula: C10H6O4 Molecular Weight (g/mol): 190.15 MDL Number: MFCD00006838 InChI Key: RVMGXWBCQGAWBR-UHFFFAOYSA-N Synonym: chromocarb,chromone-2-carboxylic acid,4-oxo-4h-chromene-2-carboxylic acid,4-oxo-4h-1-benzopyran-2-carboxylic acid,atremon,chromonecarboxylic acid,lp-1,chromocarb inn:dcf,2-chromonecarboxylic acid,chromocarbe inn-french PubChem CID: 2741 IUPAC Name: 4-oxochromene-2-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=O)C=C(O2)C(=O)O

PubChem CID 2741
CAS 4940-39-0
Molecular Weight (g/mol) 190.15
MDL Number MFCD00006838
SMILES C1=CC=C2C(=C1)C(=O)C=C(O2)C(=O)O
Synonym chromocarb,chromone-2-carboxylic acid,4-oxo-4h-chromene-2-carboxylic acid,4-oxo-4h-1-benzopyran-2-carboxylic acid,atremon,chromonecarboxylic acid,lp-1,chromocarb inn:dcf,2-chromonecarboxylic acid,chromocarbe inn-french
IUPAC Name 4-oxochromene-2-carboxylic acid
InChI Key RVMGXWBCQGAWBR-UHFFFAOYSA-N
Molecular Formula C10H6O4
9

Flavone, 99+%

CAS: 525-82-6 Molecular Formula: C15H10O2 Molecular Weight (g/mol): 222.24 InChI Key: VHBFFQKBGNRLFZ-UHFFFAOYSA-N Synonym: flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril PubChem CID: 10680 ChEBI: CHEBI:42491 IUPAC Name: 2-phenylchromen-4-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2

PubChem CID 10680
CAS 525-82-6
Molecular Weight (g/mol) 222.24
ChEBI CHEBI:42491
SMILES C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2
Synonym flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril
IUPAC Name 2-phenylchromen-4-one
InChI Key VHBFFQKBGNRLFZ-UHFFFAOYSA-N
Molecular Formula C15H10O2
10

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

CAS: 675-09-2 Molecular Formula: C7H8O2 Molecular Weight (g/mol): 124.14 MDL Number: MFCD00075555 Synonym: 4,6-dimethyl-2-pyrone,4,6-dimethyl-2h-pyran-2-one,mesitene lactone,4,6-dimethylcoumalin,2h-pyran-2-one, 4,6-dimethyl,4,6-dimethyl-alpha-pyrone,4,6-dimethyl-pyran-2-one,2,4-dimethyl-alpha-pyrone,2,4-dimethyl-.alpha.-pyrone,4,6-dimethyl-.alpha.-pyrone

CAS 675-09-2
Molecular Weight (g/mol) 124.14
MDL Number MFCD00075555
Synonym 4,6-dimethyl-2-pyrone,4,6-dimethyl-2h-pyran-2-one,mesitene lactone,4,6-dimethylcoumalin,2h-pyran-2-one, 4,6-dimethyl,4,6-dimethyl-alpha-pyrone,4,6-dimethyl-pyran-2-one,2,4-dimethyl-alpha-pyrone,2,4-dimethyl-.alpha.-pyrone,4,6-dimethyl-.alpha.-pyrone
Molecular Formula C7H8O2
11

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
12

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
13

2,3-Pyrazinedicarboxylic anhydride, 97%

CAS: 4744-50-7 Molecular Formula: C6H2N2O3 Molecular Weight (g/mol): 150.09 MDL Number: MFCD00179418 InChI Key: AWJWCTOOIBYHON-UHFFFAOYSA-N Synonym: furo 3,4-b pyrazine-5,7-dione,2,3-pyrazinedicarboxylic anhydride,2,3-pyrazinecarboxylic anhydride,pyrazine-2,3-dicarboxylic anhydride,5h,7h-furo 3,4-b pyrazine-5,7-dione,furano 3,4-b pyrazine-5,7-dione,pubchem17535,2,3-pyrazinedicarboxylic anhydride treated bsa PubChem CID: 78482 IUPAC Name: 5H,7H-furo[3,4-b]pyrazine-5,7-dione SMILES: O=C1OC(=O)C2=NC=CN=C12

PubChem CID 78482
CAS 4744-50-7
Molecular Weight (g/mol) 150.09
MDL Number MFCD00179418
SMILES O=C1OC(=O)C2=NC=CN=C12
Synonym furo 3,4-b pyrazine-5,7-dione,2,3-pyrazinedicarboxylic anhydride,2,3-pyrazinecarboxylic anhydride,pyrazine-2,3-dicarboxylic anhydride,5h,7h-furo 3,4-b pyrazine-5,7-dione,furano 3,4-b pyrazine-5,7-dione,pubchem17535,2,3-pyrazinedicarboxylic anhydride treated bsa
IUPAC Name 5H,7H-furo[3,4-b]pyrazine-5,7-dione
InChI Key AWJWCTOOIBYHON-UHFFFAOYSA-N
Molecular Formula C6H2N2O3
14

(R)-(+)-2,2-Dimethyl-1,3-dioxolane-4-carboxaldehyde, 97%

CAS: 15186-48-8 Molecular Formula: C6H10O3 Molecular Weight (g/mol): 130.14 MDL Number: MFCD00269682 InChI Key: YSGPYVWACGYQDJ-YFKPBYRVSA-N Synonym: r-+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,4r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-+-glyceraldehyde acetonide,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, r,acetone d-glyceraldehyde,+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, 4r,4r-2,2-dimethyl-1,3-dioxolan-4-carbaldehyd,pubchem5767 PubChem CID: 259712 IUPAC Name: (4R)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde SMILES: CC1(OCC(O1)C=O)C

PubChem CID 259712
CAS 15186-48-8
Molecular Weight (g/mol) 130.14
MDL Number MFCD00269682
SMILES CC1(OCC(O1)C=O)C
Synonym r-+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,4r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-+-glyceraldehyde acetonide,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, r,acetone d-glyceraldehyde,+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, 4r,4r-2,2-dimethyl-1,3-dioxolan-4-carbaldehyd,pubchem5767
IUPAC Name (4R)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde
InChI Key YSGPYVWACGYQDJ-YFKPBYRVSA-N
Molecular Formula C6H10O3
15

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