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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Maleic Anhydride 99.0+%, TCI America™

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: 2,5-dihydrofuran-2,5-dione SMILES: O=C1OC(=O)C=C1

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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
IUPAC Name	2,5-dihydrofuran-2,5-dione
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

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

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

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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

Phthalic anhydride, ACS reagent

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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

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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

Phthalic anhydride, ACS, 99.0-100.2%

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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
IUPAC Name	2-benzofuran-1,3-dione
InChI Key	LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula	C8H4O3

Oxazole, 98+%

CAS: 288-42-6 Molecular Formula: C3H3NO Molecular Weight (g/mol): 69.063 MDL Number: MFCD00009751 InChI Key: ZCQWOFVYLHDMMC-UHFFFAOYSA-N Synonym: oxazole,unii-fjz20i1lps,fjz20i1lps,oxazol,1,3-oxazol,pubchem8626,oxazole 1g PubChem CID: 9255 ChEBI: CHEBI:35597 IUPAC Name: 1,3-oxazole SMILES: C1=COC=N1

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Specifications

PubChem CID	9255
CAS	288-42-6
Molecular Weight (g/mol)	69.063
ChEBI	CHEBI:35597
MDL Number	MFCD00009751
SMILES	C1=COC=N1
Synonym	oxazole,unii-fjz20i1lps,fjz20i1lps,oxazol,1,3-oxazol,pubchem8626,oxazole 1g
IUPAC Name	1,3-oxazole
InChI Key	ZCQWOFVYLHDMMC-UHFFFAOYSA-N
Molecular Formula	C3H3NO

2,3-Benzofuran, 99%

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

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Specifications

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

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

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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

9,9-Dimethylxanthene, 98+%, Thermo Scientific Chemicals

CAS: 19814-75-6 Molecular Formula: C15H14O Molecular Weight (g/mol): 210.28 MDL Number: MFCD00134434 InChI Key: MTVNAPYHLASOSX-UHFFFAOYSA-N Synonym: 9,9-dimethyl-9h-xanthene,9h-xanthene, 9,9-dimethyl,9,9-dimethylxantene,9,9-dimethyl xanthene,xanthene, 9,9-dimethyl,ksc182m0n,9,9-dimethylxanthene,9,9-dimethyl-9h-xanthene # PubChem CID: 606997 SMILES: CC1(C)C2=CC=CC=C2OC2=CC=CC=C12

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Specifications

PubChem CID	606997
CAS	19814-75-6
Molecular Weight (g/mol)	210.28
MDL Number	MFCD00134434
SMILES	CC1(C)C2=CC=CC=C2OC2=CC=CC=C12
Synonym	9,9-dimethyl-9h-xanthene,9h-xanthene, 9,9-dimethyl,9,9-dimethylxantene,9,9-dimethyl xanthene,xanthene, 9,9-dimethyl,ksc182m0n,9,9-dimethylxanthene,9,9-dimethyl-9h-xanthene #
InChI Key	MTVNAPYHLASOSX-UHFFFAOYSA-N
Molecular Formula	C15H14O

Bis(2-oxo-3-oxazolidinyl)phosphinic chloride, 97%

CAS: 68641-49-6 Molecular Formula: C₆H₈ClN₂O₅P Molecular Weight (g/mol): 254.57 MDL Number: MFCD00010077 InChI Key: KLDLRDSRCMJKGM-UHFFFAOYSA-N Synonym: bis 2-oxo-3-oxazolidinyl phosphinic chloride,bop-cl,bis 2-oxooxazolidin-3-yl phosphinic chloride,ccris 2607,phosphinic chloride, bis 2-oxo-3-oxazolidinyl,bis 2-oxo-3-oxazolidinyl phosphonic chloride,bis 2-oxo-1,3-oxazolidin-3-yl phosphinoyl chloride,bis-2-oxo-3-oxazolidinyl phosphinic chloride,n,n-bis 2-oxo-3-oxazolidinyl phosphinic chloride,bis 2-oxo-3-oxazolidinyl phosphinic chloride bop-cl PubChem CID: 152842 IUPAC Name: 3-[chloro-(2-oxo-1,3-oxazolidin-3-yl)phosphoryl]-1,3-oxazolidin-2-one SMILES: C1COC(=O)N1P(=O)(N2CCOC2=O)Cl

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Specifications

PubChem CID	152842
CAS	68641-49-6
Molecular Weight (g/mol)	254.57
MDL Number	MFCD00010077
SMILES	C1COC(=O)N1P(=O)(N2CCOC2=O)Cl
Synonym	bis 2-oxo-3-oxazolidinyl phosphinic chloride,bop-cl,bis 2-oxooxazolidin-3-yl phosphinic chloride,ccris 2607,phosphinic chloride, bis 2-oxo-3-oxazolidinyl,bis 2-oxo-3-oxazolidinyl phosphonic chloride,bis 2-oxo-1,3-oxazolidin-3-yl phosphinoyl chloride,bis-2-oxo-3-oxazolidinyl phosphinic chloride,n,n-bis 2-oxo-3-oxazolidinyl phosphinic chloride,bis 2-oxo-3-oxazolidinyl phosphinic chloride bop-cl
IUPAC Name	3-[chloro-(2-oxo-1,3-oxazolidin-3-yl)phosphoryl]-1,3-oxazolidin-2-one
InChI Key	KLDLRDSRCMJKGM-UHFFFAOYSA-N
Molecular Formula	C₆H₈ClN₂O₅P

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

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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

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

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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

Benzo[b]furan, 97+%

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Specifications

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

5-Aminophthalide, 97%, Thermo Scientific Chemicals

CAS: 65399-05-5 Molecular Formula: C8H7NO2 Molecular Weight (g/mol): 149.149 MDL Number: MFCD00778315 InChI Key: ISMUWQMUWFPFBZ-UHFFFAOYSA-N Synonym: 5-aminophthalide,5-aminoisobenzofuran-1 3h-one,5-amino-3h-isobenzofuran-1-one,5-amino-2-benzofuran-1 3h-one,1 3h-isobenzofuranone, 5-amino,5-amino-1 3h-isobenzofuranone,5-amino-1,3-dihydro-2-benzofuran-1-one,5-amino-3-hydroisobenzofuran-1-one,5-aminophthliade,5-amino-phthalide PubChem CID: 720669 IUPAC Name: 5-amino-3H-2-benzofuran-1-one SMILES: C1C2=C(C=CC(=C2)N)C(=O)O1

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Specifications

PubChem CID	720669
CAS	65399-05-5
Molecular Weight (g/mol)	149.149
MDL Number	MFCD00778315
SMILES	C1C2=C(C=CC(=C2)N)C(=O)O1
Synonym	5-aminophthalide,5-aminoisobenzofuran-1 3h-one,5-amino-3h-isobenzofuran-1-one,5-amino-2-benzofuran-1 3h-one,1 3h-isobenzofuranone, 5-amino,5-amino-1 3h-isobenzofuranone,5-amino-1,3-dihydro-2-benzofuran-1-one,5-amino-3-hydroisobenzofuran-1-one,5-aminophthliade,5-amino-phthalide
IUPAC Name	5-amino-3H-2-benzofuran-1-one
InChI Key	ISMUWQMUWFPFBZ-UHFFFAOYSA-N
Molecular Formula	C8H7NO2

Oxacyclic compounds

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