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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

Citraconic anhydride, 98%

CAS: 616-02-4 Molecular Formula: C5H4O3 Molecular Weight (g/mol): 112.08 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

PubChem CID 12012
CAS 616-02-4
Molecular Weight (g/mol) 112.08
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
6

Phthalic anhydride, ACS, 99.0-100.2%

CAS: 85-44-9 Molecular Formula: C8H4O3 Molecular Weight (g/mol): 148.12 MDL Number: MFCD00005918 InChI Key: LGRFSURHDFAFJT-UHFFFAOYSA-N Synonym: phthalic anhydride,isobenzofuran-1,3-dione,1,3-isobenzofurandione,1,3-dioxophthalan,1,3-phthalandione,phthalsaeureanhydrid,phthalic acid anhydride,o-phthalic acid anhydride,phthalandione,retarder esen PubChem CID: 6811 ChEBI: CHEBI:36605 IUPAC Name: 2-benzofuran-1,3-dione SMILES: O=C1OC(=O)C2=CC=CC=C12

PubChem CID 6811
CAS 85-44-9
Molecular Weight (g/mol) 148.12
ChEBI CHEBI:36605
MDL Number MFCD00005918
SMILES O=C1OC(=O)C2=CC=CC=C12
Synonym phthalic anhydride,isobenzofuran-1,3-dione,1,3-isobenzofurandione,1,3-dioxophthalan,1,3-phthalandione,phthalsaeureanhydrid,phthalic acid anhydride,o-phthalic acid anhydride,phthalandione,retarder esen
IUPAC Name 2-benzofuran-1,3-dione
InChI Key LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula C8H4O3
7

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
8

Glycol sulfite, 98%

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: 1,3,2-dioxathiolane 2-oxide SMILES: O=S1OCCO1

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 1,3,2-dioxathiolane 2-oxide
InChI Key WDXYVJKNSMILOQ-UHFFFAOYSA-N
Molecular Formula C2H4O3S
9

Psoralen, 97%, Thermo Scientific Chemicals

CAS: 66-97-7 Molecular Formula: C11H6O3 Molecular Weight (g/mol): 186.17 MDL Number: MFCD00010520 InChI Key: ZCCUUQDIBDJBTK-UHFFFAOYSA-N Synonym: psoralen,ficusin,7h-furo 3,2-g chromen-7-one,furocoumarin,psoralene,7h-furo 3,2-g 1 benzopyran-7-one,psorline-p,6,7-furanocoumarin,furo 3,2-g chromen-7-one,furo 3,2-g coumarin PubChem CID: 6199 ChEBI: CHEBI:27616 IUPAC Name: 7H-furo[3,2-g]chromen-7-one SMILES: O=C1OC2=CC3=C(C=CO3)C=C2C=C1

PubChem CID 6199
CAS 66-97-7
Molecular Weight (g/mol) 186.17
ChEBI CHEBI:27616
MDL Number MFCD00010520
SMILES O=C1OC2=CC3=C(C=CO3)C=C2C=C1
Synonym psoralen,ficusin,7h-furo 3,2-g chromen-7-one,furocoumarin,psoralene,7h-furo 3,2-g 1 benzopyran-7-one,psorline-p,6,7-furanocoumarin,furo 3,2-g chromen-7-one,furo 3,2-g coumarin
IUPAC Name 7H-furo[3,2-g]chromen-7-one
InChI Key ZCCUUQDIBDJBTK-UHFFFAOYSA-N
Molecular Formula C11H6O3
10

(2-Oxo-3-benzoxazolyl)acetic acid, 97%

CAS: 13610-49-6 Molecular Formula: C9H7NO4 Molecular Weight (g/mol): 193.158 MDL Number: MFCD01547452 InChI Key: PHIUXGVYFVAGTC-UHFFFAOYSA-N Synonym: 2-oxo-1,3-benzoxazol-3 2h-yl acetic acid,2-oxo-benzooxazol-3-yl-acetic acid,2-2-oxobenzo d oxazol-3 2h-yl acetic acid,2 3h-benzoxazolone-3-yl acetic acid,2-oxo-1,3-benzoxazol-3-yl acetic acid,2-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl acetic acid,2-2-oxo-3-hydrobenzoxazol-3-yl acetic acid,3 2h-benzoxazoleacetic acid,2-oxo,3-benzoxazolonyl acetic acid,tos-bb-0934 PubChem CID: 737119 IUPAC Name: 2-(2-oxo-1,3-benzoxazol-3-yl)acetic acid SMILES: C1=CC=C2C(=C1)N(C(=O)O2)CC(=O)O

PubChem CID 737119
CAS 13610-49-6
Molecular Weight (g/mol) 193.158
MDL Number MFCD01547452
SMILES C1=CC=C2C(=C1)N(C(=O)O2)CC(=O)O
Synonym 2-oxo-1,3-benzoxazol-3 2h-yl acetic acid,2-oxo-benzooxazol-3-yl-acetic acid,2-2-oxobenzo d oxazol-3 2h-yl acetic acid,2 3h-benzoxazolone-3-yl acetic acid,2-oxo-1,3-benzoxazol-3-yl acetic acid,2-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl acetic acid,2-2-oxo-3-hydrobenzoxazol-3-yl acetic acid,3 2h-benzoxazoleacetic acid,2-oxo,3-benzoxazolonyl acetic acid,tos-bb-0934
IUPAC Name 2-(2-oxo-1,3-benzoxazol-3-yl)acetic acid
InChI Key PHIUXGVYFVAGTC-UHFFFAOYSA-N
Molecular Formula C9H7NO4
11

Xanthene-9-carboxylic acid, 98%

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

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
12

Benzo[b]furan-3-acetonitrile, 99%

CAS: 52407-43-9 Molecular Formula: C10H7NO Molecular Weight (g/mol): 157.172 MDL Number: MFCD02183555 InChI Key: BJAJKVZABJZXDC-UHFFFAOYSA-N Synonym: 1-benzofuran-3-ylacetonitrile,3-benzo b furylacetonitrile,benzofuran-3-acetonitrile,2-benzofuran-3-yl acetonitrile,benzo b furan-3-acetonitrile,2-3-benzofuranyl acetonitrile,2-1-benzofuran-3-yl acetonitrile,2-benzo b furan-3-ylethanenitrile,pubchem7006,3-benzofuranylacetonitrile PubChem CID: 2769401 IUPAC Name: 2-(1-benzofuran-3-yl)acetonitrile SMILES: C1=CC=C2C(=C1)C(=CO2)CC#N

PubChem CID 2769401
CAS 52407-43-9
Molecular Weight (g/mol) 157.172
MDL Number MFCD02183555
SMILES C1=CC=C2C(=C1)C(=CO2)CC#N
Synonym 1-benzofuran-3-ylacetonitrile,3-benzo b furylacetonitrile,benzofuran-3-acetonitrile,2-benzofuran-3-yl acetonitrile,benzo b furan-3-acetonitrile,2-3-benzofuranyl acetonitrile,2-1-benzofuran-3-yl acetonitrile,2-benzo b furan-3-ylethanenitrile,pubchem7006,3-benzofuranylacetonitrile
IUPAC Name 2-(1-benzofuran-3-yl)acetonitrile
InChI Key BJAJKVZABJZXDC-UHFFFAOYSA-N
Molecular Formula C10H7NO
13

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
14

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
15

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

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