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 44 results

Phthalic Anhydride, 99%

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 and 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

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

Pricing and Availability
Specifications

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

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 and 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

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9-Hydroxyxanthene, 97+%

CAS: 90-46-0 Molecular Formula: C₁₃H₁₀O₂ Molecular Weight (g/mol): 198.22 MDL Number: MFCD00005057 InChI Key: JFRMYMMIJXLMBB-UHFFFAOYSA-N Synonym: 9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol PubChem CID: 72861 IUPAC Name: 9H-xanthen-9-ol SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O

Pricing and Availability
Specifications

PubChem CID	72861
CAS	90-46-0
Molecular Weight (g/mol)	198.22
MDL Number	MFCD00005057
SMILES	C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O
Synonym	9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol
IUPAC Name	9H-xanthen-9-ol
InChI Key	JFRMYMMIJXLMBB-UHFFFAOYSA-N
Molecular Formula	C₁₃H₁₀O₂

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 and 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

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

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 and 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

Homophthalic anhydride, 98%

CAS: 703-59-3 Molecular Formula: C₉H₆O₃ Molecular Weight (g/mol): 162.14 MDL Number: MFCD00006894 InChI Key: AKHSBAVQPIRVAG-UHFFFAOYSA-N Synonym: homophthalic anhydride,1,3-isochromandione,isochroman-1,3-dione,1h-2-benzopyran-1,3 4h-dione,homophthalic acid anhydride,4h-2-benzopyran-1,3-dione,1h-isochromene-1,3 4h-dione,3,4-dihydro-1h-2-benzopyran-1,3-dione,4h-benzo c pyran-1,3-dione,homophthalic anhydride 2-carboxyphenylacetic anhydride PubChem CID: 12801 IUPAC Name: 4H-isochromene-1,3-dione SMILES: C1C2=CC=CC=C2C(=O)OC1=O

Pricing and Availability
Specifications

PubChem CID	12801
CAS	703-59-3
Molecular Weight (g/mol)	162.14
MDL Number	MFCD00006894
SMILES	C1C2=CC=CC=C2C(=O)OC1=O
Synonym	homophthalic anhydride,1,3-isochromandione,isochroman-1,3-dione,1h-2-benzopyran-1,3 4h-dione,homophthalic acid anhydride,4h-2-benzopyran-1,3-dione,1h-isochromene-1,3 4h-dione,3,4-dihydro-1h-2-benzopyran-1,3-dione,4h-benzo c pyran-1,3-dione,homophthalic anhydride 2-carboxyphenylacetic anhydride
IUPAC Name	4H-isochromene-1,3-dione
InChI Key	AKHSBAVQPIRVAG-UHFFFAOYSA-N
Molecular Formula	C₉H₆O₃

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

Pricing and Availability
Specifications

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

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

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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

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 and 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

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 and 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 and 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

Bis(neopentyl glycolato)diboron, 98%

CAS: 201733-56-4 Molecular Formula: C10H20B2O4 Molecular Weight (g/mol): 225.89 MDL Number: MFCD02093062 InChI Key: MDNDJMCSXOXBFZ-UHFFFAOYSA-N Synonym: bis neopentyl glycolato diboron,bis neopentylglycolato diboron,5,5,5',5'-tetramethyl-2,2'-bi 1,3,2-dioxaborinane,2-5,5-dimethyl-1,3,2-dioxaborinan-2-yl-5,5-dimethyl-1,3,2-dioxaborinane,5,5,5',5'-tetramethyl-2,2'-bi-1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 5,5,5',5'-tetramethyl,bis neopentyl glycolato diborane,bis 2,2-dimethyl-1,3-propanediolato diboron,5,5,5',5'-tetramethyl-2,2' bi 1,3,2 dioxaborinanyl PubChem CID: 2734316 IUPAC Name: 2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-5,5-dimethyl-1,3,2-dioxaborinane SMILES: CC1(C)COB(OC1)B1OCC(C)(C)CO1

Pricing and Availability
Specifications

PubChem CID	2734316
CAS	201733-56-4
Molecular Weight (g/mol)	225.89
MDL Number	MFCD02093062
SMILES	CC1(C)COB(OC1)B1OCC(C)(C)CO1
Synonym	bis neopentyl glycolato diboron,bis neopentylglycolato diboron,5,5,5',5'-tetramethyl-2,2'-bi 1,3,2-dioxaborinane,2-5,5-dimethyl-1,3,2-dioxaborinan-2-yl-5,5-dimethyl-1,3,2-dioxaborinane,5,5,5',5'-tetramethyl-2,2'-bi-1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 5,5,5',5'-tetramethyl,bis neopentyl glycolato diborane,bis 2,2-dimethyl-1,3-propanediolato diboron,5,5,5',5'-tetramethyl-2,2' bi 1,3,2 dioxaborinanyl
IUPAC Name	2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-5,5-dimethyl-1,3,2-dioxaborinane
InChI Key	MDNDJMCSXOXBFZ-UHFFFAOYSA-N
Molecular Formula	C10H20B2O4

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

Pricing and Availability
Specifications

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

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