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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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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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

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

CAS: 110-87-2 Molecular Formula: C5H8O Molecular Weight (g/mol): 84.118 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

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PubChem CID	8080
CAS	110-87-2
Molecular Weight (g/mol)	84.118
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

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

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

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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

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

4-Chlorophthalic Anhydride 98.0+%, TCI America™

CAS: 118-45-6 Molecular Formula: C8H3ClO3 Molecular Weight (g/mol): 182.56 MDL Number: MFCD00152354 InChI Key: BTTRMCQEPDPCPA-UHFFFAOYSA-N PubChem CID: 67044 IUPAC Name: 5-chloro-1,3-dihydro-2-benzofuran-1,3-dione SMILES: ClC1=CC=C2C(=O)OC(=O)C2=C1

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Specifications

PubChem CID	67044
CAS	118-45-6
Molecular Weight (g/mol)	182.56
MDL Number	MFCD00152354
SMILES	ClC1=CC=C2C(=O)OC(=O)C2=C1
IUPAC Name	5-chloro-1,3-dihydro-2-benzofuran-1,3-dione
InChI Key	BTTRMCQEPDPCPA-UHFFFAOYSA-N
Molecular Formula	C8H3ClO3

2-Amino-5-phenyl-3-furonitrile, 95%, Thermo Scientific™

CAS: 14742-32-6 Molecular Formula: C11H8N2O Molecular Weight (g/mol): 184.20 MDL Number: MFCD00463472 InChI Key: UWTDTJWGYWUILP-UHFFFAOYSA-N Synonym: 2-amino-5-phenyl-3-furonitrile,2-amino-3-cyano-5-phenylfuran,2-amino-5-phenyl-3-furancarbonitrile,3-furancarbonitrile, 2-amino-5-phenyl,maybridge1_000452,2-amino-5-phenyl-furan-3-carbonitrile,3-furancarbonitrile,2-amino-5-phenyl,2-azanyl-5-phenyl-furan-3-carbonitrile PubChem CID: 693961 IUPAC Name: 2-amino-5-phenylfuran-3-carbonitrile SMILES: NC1=C(C=C(O1)C1=CC=CC=C1)C#N

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Specifications

PubChem CID	693961
CAS	14742-32-6
Molecular Weight (g/mol)	184.20
MDL Number	MFCD00463472
SMILES	NC1=C(C=C(O1)C1=CC=CC=C1)C#N
Synonym	2-amino-5-phenyl-3-furonitrile,2-amino-3-cyano-5-phenylfuran,2-amino-5-phenyl-3-furancarbonitrile,3-furancarbonitrile, 2-amino-5-phenyl,maybridge1_000452,2-amino-5-phenyl-furan-3-carbonitrile,3-furancarbonitrile,2-amino-5-phenyl,2-azanyl-5-phenyl-furan-3-carbonitrile
IUPAC Name	2-amino-5-phenylfuran-3-carbonitrile
InChI Key	UWTDTJWGYWUILP-UHFFFAOYSA-N
Molecular Formula	C11H8N2O

Xanthone, 99%

CAS: 90-47-1 Molecular Formula: C13H8O2 Molecular Weight (g/mol): 196.205 MDL Number: MFCD00005060 InChI Key: JNELGWHKGNBSMD-UHFFFAOYSA-N Synonym: xanthone,9h-xanthen-9-one,9-xanthenone,benzophenone oxide,9-oxoxanthene,genicide,xanthenone,9-xanthone,diphenylene ketone oxide,dibenzo-gamma-pyrone PubChem CID: 7020 ChEBI: CHEBI:37647 IUPAC Name: xanthen-9-one SMILES: C1=CC=C2C(=C1)C(=O)C3=CC=CC=C3O2

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Specifications

PubChem CID	7020
CAS	90-47-1
Molecular Weight (g/mol)	196.205
ChEBI	CHEBI:37647
MDL Number	MFCD00005060
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC=CC=C3O2
Synonym	xanthone,9h-xanthen-9-one,9-xanthenone,benzophenone oxide,9-oxoxanthene,genicide,xanthenone,9-xanthone,diphenylene ketone oxide,dibenzo-gamma-pyrone
IUPAC Name	xanthen-9-one
InChI Key	JNELGWHKGNBSMD-UHFFFAOYSA-N
Molecular Formula	C13H8O2

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

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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

6-Aminophthalide, 95%

CAS: 57319-65-0 Molecular Formula: C8H7NO2 Molecular Weight (g/mol): 149.149 MDL Number: MFCD00033530 InChI Key: ZIJZDNKZJZUROE-UHFFFAOYSA-N Synonym: 6-aminophthalide,6-aminoisobenzofuran-1 3h-one,6-amino-1,3-dihydroisobenzofuran-1-one,6-amino-2-benzofuran-1 3h-one,6-amino-3h-isobenzofuran-1-one,1 3h-isobenzofuranone, 6-amino,6-amino-1,3-dihydro-2-benzofuran-1-one,6-amino-1 3h-isobenzofuranone,6-amino-3-hydroisobenzofuran-1-one,6-aminophthalid PubChem CID: 93631 IUPAC Name: 6-amino-3H-2-benzofuran-1-one SMILES: C1C2=C(C=C(C=C2)N)C(=O)O1

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Specifications

PubChem CID	93631
CAS	57319-65-0
Molecular Weight (g/mol)	149.149
MDL Number	MFCD00033530
SMILES	C1C2=C(C=C(C=C2)N)C(=O)O1
Synonym	6-aminophthalide,6-aminoisobenzofuran-1 3h-one,6-amino-1,3-dihydroisobenzofuran-1-one,6-amino-2-benzofuran-1 3h-one,6-amino-3h-isobenzofuran-1-one,1 3h-isobenzofuranone, 6-amino,6-amino-1,3-dihydro-2-benzofuran-1-one,6-amino-1 3h-isobenzofuranone,6-amino-3-hydroisobenzofuran-1-one,6-aminophthalid
IUPAC Name	6-amino-3H-2-benzofuran-1-one
InChI Key	ZIJZDNKZJZUROE-UHFFFAOYSA-N
Molecular Formula	C8H7NO2

3,4-Di-O-acetyl-6-deoxy-L-glucal, 98%

CAS: 34819-86-8 Molecular Formula: C10H14O5 Molecular Weight (g/mol): 214.217 MDL Number: MFCD00074970 InChI Key: NDEGMKQAZZBNBB-JUWDTYFHSA-N Synonym: 3,4-di-o-acetyl-6-deoxy-l-glucal,3,4-di-o-acetyl-l-rhamnal,2s,3s,4s-2-methyl-3,4-dihydro-2h-pyran-3,4-diyl diacetate,3,4-di-o-acetyl-1,5-anhydro-2,6-dideoxy-l-arabino-hex-1-enitol,di-o-acetyl-l-rhamnal,2s,3s,4s-4-acetyloxy-2-methyl-3,4-dihydro-2h-pyran-3-yl acetate,diacetyl-l-rhamnal,l-rhamnal diacetate,6-deoxy-l-glucal diacetate,l-arabino-hex-1-enitol, 1,5-anhydro-2,6-dideoxy-, diacetate PubChem CID: 2734733 IUPAC Name: [(2S,3S,4S)-3-acetyloxy-2-methyl-3,4-dihydro-2H-pyran-4-yl] acetate SMILES: CC1C(C(C=CO1)OC(=O)C)OC(=O)C

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Specifications

PubChem CID	2734733
CAS	34819-86-8
Molecular Weight (g/mol)	214.217
MDL Number	MFCD00074970
SMILES	CC1C(C(C=CO1)OC(=O)C)OC(=O)C
Synonym	3,4-di-o-acetyl-6-deoxy-l-glucal,3,4-di-o-acetyl-l-rhamnal,2s,3s,4s-2-methyl-3,4-dihydro-2h-pyran-3,4-diyl diacetate,3,4-di-o-acetyl-1,5-anhydro-2,6-dideoxy-l-arabino-hex-1-enitol,di-o-acetyl-l-rhamnal,2s,3s,4s-4-acetyloxy-2-methyl-3,4-dihydro-2h-pyran-3-yl acetate,diacetyl-l-rhamnal,l-rhamnal diacetate,6-deoxy-l-glucal diacetate,l-arabino-hex-1-enitol, 1,5-anhydro-2,6-dideoxy-, diacetate
IUPAC Name	[(2S,3S,4S)-3-acetyloxy-2-methyl-3,4-dihydro-2H-pyran-4-yl] acetate
InChI Key	NDEGMKQAZZBNBB-JUWDTYFHSA-N
Molecular Formula	C10H14O5

Ethyl 1-benzofuran-3-ylacetate, ≥97%, Thermo Scientific™

CAS: 82156-58-9 Molecular Formula: C12H12O3 Molecular Weight (g/mol): 204.23 MDL Number: MFCD08060514 InChI Key: LSGDCGDXQLDKGO-UHFFFAOYSA-N Synonym: ethyl 2-benzofuran-3-yl acetate,ethyl 1-benzofuran-3-ylacetate,ethyl 2-1-benzofuran-3-yl acetate,ethyl benzo b furan-3-acetate,ethyl2-benzofuran-3-yl acetate,ethyl-1-benzofuran-3-yl acetate,ethyl 2-benzo b furan-3-ylacetate,3-benzofuranaceticacid, ethyl ester,3-benzofuranacetic acid, ethyl ester,benzofuran-3-acetic acid ethyl ester PubChem CID: 7537531 IUPAC Name: ethyl 2-(1-benzofuran-3-yl)acetate SMILES: CCOC(=O)CC1=COC2=CC=CC=C12

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Specifications

PubChem CID	7537531
CAS	82156-58-9
Molecular Weight (g/mol)	204.23
MDL Number	MFCD08060514
SMILES	CCOC(=O)CC1=COC2=CC=CC=C12
Synonym	ethyl 2-benzofuran-3-yl acetate,ethyl 1-benzofuran-3-ylacetate,ethyl 2-1-benzofuran-3-yl acetate,ethyl benzo b furan-3-acetate,ethyl2-benzofuran-3-yl acetate,ethyl-1-benzofuran-3-yl acetate,ethyl 2-benzo b furan-3-ylacetate,3-benzofuranaceticacid, ethyl ester,3-benzofuranacetic acid, ethyl ester,benzofuran-3-acetic acid ethyl ester
IUPAC Name	ethyl 2-(1-benzofuran-3-yl)acetate
InChI Key	LSGDCGDXQLDKGO-UHFFFAOYSA-N
Molecular Formula	C12H12O3

Oxacyclic compounds

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