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

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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

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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

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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	furan-2,5-dione
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

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Phthalic Anhydride, 99%

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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

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2,3-Pyrazinedicarboxylic anhydride, 97%

CAS: 4744-50-7 Molecular Formula: C6H2N2O3 Molecular Weight (g/mol): 150.09 MDL Number: MFCD00179418 InChI Key: AWJWCTOOIBYHON-UHFFFAOYSA-N Synonym: furo 3,4-b pyrazine-5,7-dione,2,3-pyrazinedicarboxylic anhydride,2,3-pyrazinecarboxylic anhydride,pyrazine-2,3-dicarboxylic anhydride,5h,7h-furo 3,4-b pyrazine-5,7-dione,furano 3,4-b pyrazine-5,7-dione,pubchem17535,2,3-pyrazinedicarboxylic anhydride treated bsa PubChem CID: 78482 IUPAC Name: 5H,7H-furo[3,4-b]pyrazine-5,7-dione SMILES: O=C1OC(=O)C2=NC=CN=C12

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Specifications

PubChem CID	78482
CAS	4744-50-7
Molecular Weight (g/mol)	150.09
MDL Number	MFCD00179418
SMILES	O=C1OC(=O)C2=NC=CN=C12
Synonym	furo 3,4-b pyrazine-5,7-dione,2,3-pyrazinedicarboxylic anhydride,2,3-pyrazinecarboxylic anhydride,pyrazine-2,3-dicarboxylic anhydride,5h,7h-furo 3,4-b pyrazine-5,7-dione,furano 3,4-b pyrazine-5,7-dione,pubchem17535,2,3-pyrazinedicarboxylic anhydride treated bsa
IUPAC Name	5H,7H-furo[3,4-b]pyrazine-5,7-dione
InChI Key	AWJWCTOOIBYHON-UHFFFAOYSA-N
Molecular Formula	C6H2N2O3

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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

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Ifosfamide

CAS: 3778-73-2 Molecular Formula: C₇H₁₅Cl₂N₂O₂P Molecular Weight (g/mol): 261.09 InChI Key: HOMGKSMUEGBAAB-UHFFFAOYSA-N Synonym: ifosfamide,isophosphamide,iphosphamide,isofosfamide,ifosfamid,mitoxana,naxamide,iphosphamid,isoendoxan,ifex PubChem CID: 3690 ChEBI: CHEBI:5864 IUPAC Name: N,3-bis(2-chloroethyl)-2-oxo-1,3,2$l^{5}-oxazaphosphinan-2-amine SMILES: C1CN(P(=O)(OC1)NCCCl)CCCl

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Specifications

PubChem CID	3690
CAS	3778-73-2
Molecular Weight (g/mol)	261.09
ChEBI	CHEBI:5864
SMILES	C1CN(P(=O)(OC1)NCCCl)CCCl
Synonym	ifosfamide,isophosphamide,iphosphamide,isofosfamide,ifosfamid,mitoxana,naxamide,iphosphamid,isoendoxan,ifex
IUPAC Name	N,3-bis(2-chloroethyl)-2-oxo-1,3,2$l^{5}-oxazaphosphinan-2-amine
InChI Key	HOMGKSMUEGBAAB-UHFFFAOYSA-N
Molecular Formula	C₇H₁₅Cl₂N₂O₂P

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beta-Naphthoflavone, 98+%

CAS: 6051-87-2 Molecular Formula: C19H12O2 Molecular Weight (g/mol): 272.303 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

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Specifications

PubChem CID	2361
CAS	6051-87-2
Molecular Weight (g/mol)	272.303
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

Chlorzoxazone 98.0+%, TCI America™

CAS: 95-25-0 Molecular Formula: C7H4ClNO2 Molecular Weight (g/mol): 169.564 MDL Number: MFCD00005717 InChI Key: TZFWDZFKRBELIQ-UHFFFAOYSA-N Synonym: chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin PubChem CID: 2733 ChEBI: CHEBI:3655 IUPAC Name: 5-chloro-3H-1,3-benzoxazol-2-one SMILES: C1=CC2=C(C=C1Cl)NC(=O)O2

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Specifications

PubChem CID	2733
CAS	95-25-0
Molecular Weight (g/mol)	169.564
ChEBI	CHEBI:3655
MDL Number	MFCD00005717
SMILES	C1=CC2=C(C=C1Cl)NC(=O)O2
Synonym	chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin
IUPAC Name	5-chloro-3H-1,3-benzoxazol-2-one
InChI Key	TZFWDZFKRBELIQ-UHFFFAOYSA-N
Molecular Formula	C7H4ClNO2

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

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

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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

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Ethyl 3-(2-furyl)propionate, 98%

CAS: 10031-90-0 Molecular Formula: C9H12O3 Molecular Weight (g/mol): 168.192 MDL Number: MFCD00036496 InChI Key: OWIWZQQFSTZZIG-UHFFFAOYSA-N Synonym: ethyl 3-2-furyl propionate,ethyl 2-furanpropionate,2-furanpropanoic acid, ethyl ester,ethyl 3-2-furyl propanoate,ethyl furfhydracrylate,ethyl furfurylacetate,ethyl 3-furan-2-yl propanoate,2-furanpropionic acid, ethyl ester,ethyl 2-furanpropanoate,ethyl furan-2-propionate PubChem CID: 61450 IUPAC Name: ethyl 3-(furan-2-yl)propanoate SMILES: CCOC(=O)CCC1=CC=CO1

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Specifications

PubChem CID	61450
CAS	10031-90-0
Molecular Weight (g/mol)	168.192
MDL Number	MFCD00036496
SMILES	CCOC(=O)CCC1=CC=CO1
Synonym	ethyl 3-2-furyl propionate,ethyl 2-furanpropionate,2-furanpropanoic acid, ethyl ester,ethyl 3-2-furyl propanoate,ethyl furfhydracrylate,ethyl furfurylacetate,ethyl 3-furan-2-yl propanoate,2-furanpropionic acid, ethyl ester,ethyl 2-furanpropanoate,ethyl furan-2-propionate
IUPAC Name	ethyl 3-(furan-2-yl)propanoate
InChI Key	OWIWZQQFSTZZIG-UHFFFAOYSA-N
Molecular Formula	C9H12O3

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5-(2-Pyridyl)-1,3-oxazole, 97%

CAS: 70380-73-3 Molecular Formula: C8H6N2O Molecular Weight (g/mol): 146.149 MDL Number: MFCD00085160 InChI Key: LUMKXMDGONYZHO-UHFFFAOYSA-N PubChem CID: 737194 IUPAC Name: 5-pyridin-2-yl-1,3-oxazole SMILES: C1=CC=NC(=C1)C2=CN=CO2

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Specifications

PubChem CID	737194
CAS	70380-73-3
Molecular Weight (g/mol)	146.149
MDL Number	MFCD00085160
SMILES	C1=CC=NC(=C1)C2=CN=CO2
IUPAC Name	5-pyridin-2-yl-1,3-oxazole
InChI Key	LUMKXMDGONYZHO-UHFFFAOYSA-N
Molecular Formula	C8H6N2O

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Oxazole-5-carboxylic acid, 98+%

CAS: 118994-90-4 Molecular Formula: C4H3NO3 Molecular Weight (g/mol): 113.072 MDL Number: MFCD04114931 InChI Key: QCGMEWVZBGQOFN-UHFFFAOYSA-N Synonym: oxazole-5-carboxylic acid,5-oxazolecarboxylic acid,5-oxazolecarboxylicacid,5-carboxy-1,3-oxazole,oxazole-5-carboxylicacid,5-carboxyoxazole,acmc-209a0v,ksc173g8b,1,3-oxazole-5-carboxylic acid PubChem CID: 16340557 IUPAC Name: 1,3-oxazole-5-carboxylic acid SMILES: C1=C(OC=N1)C(=O)O

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Specifications

PubChem CID	16340557
CAS	118994-90-4
Molecular Weight (g/mol)	113.072
MDL Number	MFCD04114931
SMILES	C1=C(OC=N1)C(=O)O
Synonym	oxazole-5-carboxylic acid,5-oxazolecarboxylic acid,5-oxazolecarboxylicacid,5-carboxy-1,3-oxazole,oxazole-5-carboxylicacid,5-carboxyoxazole,acmc-209a0v,ksc173g8b,1,3-oxazole-5-carboxylic acid
IUPAC Name	1,3-oxazole-5-carboxylic acid
InChI Key	QCGMEWVZBGQOFN-UHFFFAOYSA-N
Molecular Formula	C4H3NO3

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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

Oxacyclic compounds

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