Oxacyclic compounds

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

1 – 15 of 351 results

1-benzofuran-5-amine, 97%, Thermo Scientific™

CAS: 58546-89-7 Molecular Formula: C8H7NO Molecular Weight (g/mol): 133.15 InChI Key: GMOLCSICTCPZCU-UHFFFAOYSA-N Synonym: benzofuran-5-amine,5-benzofuranamine,5-aminobenzo b furan,5-aminobenzofuran,benzo b furan-5-amine,benzo b furan-5-ylamine,benzofuran-5-ylamine PubChem CID: 1477152 IUPAC Name: 1-benzofuran-5-amine SMILES: C1=CC2=C(C=CO2)C=C1N

Pricing & Availability
Specifications

PubChem CID	1477152
CAS	58546-89-7
Molecular Weight (g/mol)	133.15
SMILES	C1=CC2=C(C=CO2)C=C1N
Synonym	benzofuran-5-amine,5-benzofuranamine,5-aminobenzo b furan,5-aminobenzofuran,benzo b furan-5-amine,benzo b furan-5-ylamine,benzofuran-5-ylamine
IUPAC Name	1-benzofuran-5-amine
InChI Key	GMOLCSICTCPZCU-UHFFFAOYSA-N
Molecular Formula	C8H7NO

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

Pricing & Availability
Specifications

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

1,4-Cyclohexanedione Bis(ethyleneketal) 99.0+%, TCI America™

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

Pricing & Availability
Specifications

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

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

Pricing & Availability
Specifications

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

beta-Naphthoflavone, 99+%

CAS: 6051-87-2 Molecular Formula: C₁₉H₁₂O₂ Molecular Weight (g/mol): 272.29 MDL Number: MFCD00004986 InChI Key: OUGIDAPQYNCXRA-UHFFFAOYSA-N Synonym: beta-naphthoflavone,5,6-benzoflavone,beta-nf,3-phenyl-1h-naphtho 2,1-b pyran-1-one,3-phenyl-1h-benzo f chromen-1-one,1h-naphtho 2,1-b pyran-1-one, 3-phenyl,unii-1bt0256y8o,3-phenylbenzo f chromen-1-one,ccris 3262,.beta.-naphthoflavone PubChem CID: 2361 ChEBI: CHEBI:77013 IUPAC Name: 3-phenylbenzo[f]chromen-1-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=CC4=CC=CC=C43

Pricing & Availability
Specifications

PubChem CID	2361
CAS	6051-87-2
Molecular Weight (g/mol)	272.29
ChEBI	CHEBI:77013
MDL Number	MFCD00004986
SMILES	C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=CC4=CC=CC=C43
Synonym	beta-naphthoflavone,5,6-benzoflavone,beta-nf,3-phenyl-1h-naphtho 2,1-b pyran-1-one,3-phenyl-1h-benzo f chromen-1-one,1h-naphtho 2,1-b pyran-1-one, 3-phenyl,unii-1bt0256y8o,3-phenylbenzo f chromen-1-one,ccris 3262,.beta.-naphthoflavone
IUPAC Name	3-phenylbenzo[f]chromen-1-one
InChI Key	OUGIDAPQYNCXRA-UHFFFAOYSA-N
Molecular Formula	C₁₉H₁₂O₂

3-Methylphthalic anhydride, 96%

CAS: 4792-30-7 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.14 MDL Number: MFCD00047316 InChI Key: TWWAWPHAOPTQEU-UHFFFAOYSA-N Synonym: 3-methylphthalic anhydride,4-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 4-methyl,3-methyl phthalic anhydride,methylphthalic anhydride,phthalic anhydride, 3-methyl,2,3-toluenedicarboxylic anhydride,1,3-isobenzofurandione, methyl,4-methyl-1,3-dihydro-2-benzofuran-1,3-dione,acmc-1arrb PubChem CID: 98500 IUPAC Name: 4-methyl-2-benzofuran-1,3-dione SMILES: CC1=CC=CC2=C1C(=O)OC2=O

Pricing & Availability
Specifications

PubChem CID	98500
CAS	4792-30-7
Molecular Weight (g/mol)	162.14
MDL Number	MFCD00047316
SMILES	CC1=CC=CC2=C1C(=O)OC2=O
Synonym	3-methylphthalic anhydride,4-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 4-methyl,3-methyl phthalic anhydride,methylphthalic anhydride,phthalic anhydride, 3-methyl,2,3-toluenedicarboxylic anhydride,1,3-isobenzofurandione, methyl,4-methyl-1,3-dihydro-2-benzofuran-1,3-dione,acmc-1arrb
IUPAC Name	4-methyl-2-benzofuran-1,3-dione
InChI Key	TWWAWPHAOPTQEU-UHFFFAOYSA-N
Molecular Formula	C9H6O3

4,5-Dichlorophthalic anhydride, 98%

CAS: 942-06-3 Molecular Formula: C8H2Cl2O3 Molecular Weight (g/mol): 217.00 MDL Number: MFCD00075034 InChI Key: ULSOWUBMELTORB-UHFFFAOYSA-N Synonym: 4,5-dichlorophthalic anhydride,5,6-dichloroisobenzofuran-1,3-dione,4,5-dichlorophthalicanhydride,1,3-isobenzofurandione, 5,6-dichloro,5,6-dichloro-1,3-dihydro-2-benzofuran-1,3-dione,5,6-dichloro-1,3-dihydroisobenzofuran-1,3-dione,5,6-dichlor-2-benzofuran-1,3-dion,pubchem16761,acmc-209rqk,4,5-dichlorophalic anhydride PubChem CID: 70334 IUPAC Name: 5,6-dichloro-2-benzofuran-1,3-dione SMILES: ClC1=CC2=C(C=C1Cl)C(=O)OC2=O

Pricing & Availability
Specifications

PubChem CID	70334
CAS	942-06-3
Molecular Weight (g/mol)	217.00
MDL Number	MFCD00075034
SMILES	ClC1=CC2=C(C=C1Cl)C(=O)OC2=O
Synonym	4,5-dichlorophthalic anhydride,5,6-dichloroisobenzofuran-1,3-dione,4,5-dichlorophthalicanhydride,1,3-isobenzofurandione, 5,6-dichloro,5,6-dichloro-1,3-dihydro-2-benzofuran-1,3-dione,5,6-dichloro-1,3-dihydroisobenzofuran-1,3-dione,5,6-dichlor-2-benzofuran-1,3-dion,pubchem16761,acmc-209rqk,4,5-dichlorophalic anhydride
IUPAC Name	5,6-dichloro-2-benzofuran-1,3-dione
InChI Key	ULSOWUBMELTORB-UHFFFAOYSA-N
Molecular Formula	C8H2Cl2O3

Phthalide, 99%

CAS: 87-41-2 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

Pricing & Availability
Specifications

PubChem CID	6885
CAS	87-41-2
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

4,5',8-Trimethylpsoralen, 97.5%

CAS: 3902-71-4 Molecular Formula: C14H12O3 Molecular Weight (g/mol): 228.25 MDL Number: MFCD00005010 InChI Key: FMHHVULEAZTJMA-UHFFFAOYSA-N Synonym: trioxsalen,trioxysalen,trisoralen,trimethylpsoralen,4,5',8-trimethylpsoralen,elder 8011,trioxisaleno,trioxysalene,trioxysalenum,2',4,8-trimethylpsoralen PubChem CID: 5585 ChEBI: CHEBI:28329 IUPAC Name: 2,5,9-trimethylfuro[3,2-g]chromen-7-one SMILES: CC1=CC2=CC3=C(OC(=O)C=C3C)C(C)=C2O1

Pricing & Availability
Specifications

PubChem CID	5585
CAS	3902-71-4
Molecular Weight (g/mol)	228.25
ChEBI	CHEBI:28329
MDL Number	MFCD00005010
SMILES	CC1=CC2=CC3=C(OC(=O)C=C3C)C(C)=C2O1
Synonym	trioxsalen,trioxysalen,trisoralen,trimethylpsoralen,4,5',8-trimethylpsoralen,elder 8011,trioxisaleno,trioxysalene,trioxysalenum,2',4,8-trimethylpsoralen
IUPAC Name	2,5,9-trimethylfuro[3,2-g]chromen-7-one
InChI Key	FMHHVULEAZTJMA-UHFFFAOYSA-N
Molecular Formula	C14H12O3

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

Pricing & Availability
Specifications

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

Phenylmaleic anhydride, 99%

CAS: 36122-35-7 Molecular Formula: C10H6O3 Molecular Weight (g/mol): 174.16 MDL Number: MFCD00015472 InChI Key: QZYCWJVSPFQUQC-UHFFFAOYSA-N Synonym: phenylmaleic anhydride,3-phenyl-furan-2,5-dione,3-phenyl-2,5-furandione,3-phenyl-2,5-dihydrofuran-2,5-dione,2,5-furandione, 3-phenyl,phenylmaleicanhydride,phenylmalecanhydrde,acmc-20ajwi,phenyl maleic anhydride,phenyl-maleic anhydride PubChem CID: 99174 IUPAC Name: 3-phenylfuran-2,5-dione SMILES: O=C1OC(=O)C(=C1)C1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	99174
CAS	36122-35-7
Molecular Weight (g/mol)	174.16
MDL Number	MFCD00015472
SMILES	O=C1OC(=O)C(=C1)C1=CC=CC=C1
Synonym	phenylmaleic anhydride,3-phenyl-furan-2,5-dione,3-phenyl-2,5-furandione,3-phenyl-2,5-dihydrofuran-2,5-dione,2,5-furandione, 3-phenyl,phenylmaleicanhydride,phenylmalecanhydrde,acmc-20ajwi,phenyl maleic anhydride,phenyl-maleic anhydride
IUPAC Name	3-phenylfuran-2,5-dione
InChI Key	QZYCWJVSPFQUQC-UHFFFAOYSA-N
Molecular Formula	C10H6O3

3,4-Dihydro-2H-pyran, 99%

CAS: 110-87-2 Molecular Formula: C₅H₈O Molecular Weight (g/mol): 84.12 MDL Number: MFCD00006558 InChI Key: BUDQDWGNQVEFAC-UHFFFAOYSA-N Synonym: dihydropyran,3,4-dihydropyran,2,3-dihydropyran,2h-3,4-dihydropyran,2,3-dihydro-4h-pyran,dihydro-2h-pyran,2h-pyran, dihydro,2h-pyran, 3,4-dihydro,5,6-dihydro-4h-pyran,dihydropyrane PubChem CID: 8080 IUPAC Name: 3,4-dihydro-2H-pyran SMILES: C1CC=COC1

Pricing & Availability
Specifications

PubChem CID	8080
CAS	110-87-2
Molecular Weight (g/mol)	84.12
MDL Number	MFCD00006558
SMILES	C1CC=COC1
Synonym	dihydropyran,3,4-dihydropyran,2,3-dihydropyran,2h-3,4-dihydropyran,2,3-dihydro-4h-pyran,dihydro-2h-pyran,2h-pyran, dihydro,2h-pyran, 3,4-dihydro,5,6-dihydro-4h-pyran,dihydropyrane
IUPAC Name	3,4-dihydro-2H-pyran
InChI Key	BUDQDWGNQVEFAC-UHFFFAOYSA-N
Molecular Formula	C₅H₈O

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

Pricing & Availability
Specifications

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

Phthalic anhydride, ACS reagent

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 SMILES: O=C1OC(=O)C2=CC=CC=C12

Pricing & Availability
Specifications

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
InChI Key	LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula	C8H4O3

6-Chloro-1,3-benzoxazol-2(3H)-one, 98+%, Thermo Scientific™

CAS: 19932-84-4 Molecular Formula: C7H4ClNO2 Molecular Weight (g/mol): 169.56 MDL Number: MFCD00463914 InChI Key: MATCZHXABVLZIE-UHFFFAOYSA-N Synonym: 6-chloro-2-benzoxazolinone,6-chlorobenzoxazolone,2 3h-benzoxazolone, 6-chloro,6-chloro-1,3-benzoxazol-2 3h-one,6-chlorobenzo d oxazol-2 3h-one,6-chlorobenzoxazolinone,6-chloro-2-benzoxazolone,6-chloro-1,3-benzoxazol-2-ol,2-benzoxazolinone, 6-chloro,6-chloro-2,3-dihydrobenzoxazol-2-one PubChem CID: 29858 IUPAC Name: 6-chloro-3H-1,3-benzoxazol-2-one SMILES: ClC1=CC=C2NC(=O)OC2=C1

Pricing & Availability
Specifications

PubChem CID	29858
CAS	19932-84-4
Molecular Weight (g/mol)	169.56
MDL Number	MFCD00463914
SMILES	ClC1=CC=C2NC(=O)OC2=C1
Synonym	6-chloro-2-benzoxazolinone,6-chlorobenzoxazolone,2 3h-benzoxazolone, 6-chloro,6-chloro-1,3-benzoxazol-2 3h-one,6-chlorobenzo d oxazol-2 3h-one,6-chlorobenzoxazolinone,6-chloro-2-benzoxazolone,6-chloro-1,3-benzoxazol-2-ol,2-benzoxazolinone, 6-chloro,6-chloro-2,3-dihydrobenzoxazol-2-one
IUPAC Name	6-chloro-3H-1,3-benzoxazol-2-one
InChI Key	MATCZHXABVLZIE-UHFFFAOYSA-N
Molecular Formula	C7H4ClNO2

Oxacyclic compounds

Filtered Search Results

Narrow Results

1,4-Cyclohexanedione Bis(ethyleneketal) 99.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

1,4-Cyclohexanedione Bis(ethyleneketal) 99.0+%, TCI America™