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, 98+%

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

Phthalic anhydride, ACS, 99.0-100.2%

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 IUPAC Name: 2-benzofuran-1,3-dione 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
IUPAC Name	2-benzofuran-1,3-dione
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
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

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Ethyl 3-(2-furyl)-1H-pyrazole-5-carboxylate, 98%, Thermo Scientific Chemicals

CAS: 33545-44-7 Molecular Formula: C10H10N2O3 Molecular Weight (g/mol): 206.20 MDL Number: MFCD09953454,MFCD06797478 InChI Key: GSVBXAZEQDJUOY-UHFFFAOYSA-N Synonym: ethyl 5-2-furyl-1h-pyrazole-3-carboxylate,ethyl 5-furan-2-yl-1h-pyrazole-3-carboxylate,ethyl 3-furan-2-yl-1h-pyrazole-5-carboxylate,ethyl 5-fur-2-yl-1h-pyrazole-3-carboxylate,ethyl 5-2-furyl pyrazole-3-carboxylate,ethyl 5-furan-2-yl-2h-pyrazole-3-carboxylate,aronis23991,ethyl 3-2-furyl pyrazole-5-carboxylate,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-, ethyl ester PubChem CID: 7127811 IUPAC Name: ethyl 3-(furan-2-yl)-1H-pyrazole-5-carboxylate SMILES: CCOC(=O)C1=CC(=NN1)C1=CC=CO1

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Specifications

PubChem CID	7127811
CAS	33545-44-7
Molecular Weight (g/mol)	206.20
MDL Number	MFCD09953454,MFCD06797478
SMILES	CCOC(=O)C1=CC(=NN1)C1=CC=CO1
Synonym	ethyl 5-2-furyl-1h-pyrazole-3-carboxylate,ethyl 5-furan-2-yl-1h-pyrazole-3-carboxylate,ethyl 3-furan-2-yl-1h-pyrazole-5-carboxylate,ethyl 5-fur-2-yl-1h-pyrazole-3-carboxylate,ethyl 5-2-furyl pyrazole-3-carboxylate,ethyl 5-furan-2-yl-2h-pyrazole-3-carboxylate,aronis23991,ethyl 3-2-furyl pyrazole-5-carboxylate,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-, ethyl ester
IUPAC Name	ethyl 3-(furan-2-yl)-1H-pyrazole-5-carboxylate
InChI Key	GSVBXAZEQDJUOY-UHFFFAOYSA-N
Molecular Formula	C10H10N2O3

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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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

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2,2,4-Trimethyl-1,3-dioxolane, 99%

CAS: 1193-11-9 Molecular Formula: C6H12O2 Molecular Weight (g/mol): 116.16 MDL Number: MFCD00090841 InChI Key: ALTFLAPROMVXNX-UHFFFAOYNA-N PubChem CID: 62384 IUPAC Name: 2,2,4-trimethyl-1,3-dioxolane SMILES: CC1COC(C)(C)O1

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Specifications

PubChem CID	62384
CAS	1193-11-9
Molecular Weight (g/mol)	116.16
MDL Number	MFCD00090841
SMILES	CC1COC(C)(C)O1
IUPAC Name	2,2,4-trimethyl-1,3-dioxolane
InChI Key	ALTFLAPROMVXNX-UHFFFAOYNA-N
Molecular Formula	C6H12O2

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Coumalic acid, 97%

CAS: 500-05-0 Molecular Formula: C6H4O4 Molecular Weight (g/mol): 140.09 MDL Number: MFCD00006644 InChI Key: ORGPJDKNYMVLFL-UHFFFAOYSA-N Synonym: coumalic acid,2-oxo-2h-pyran-5-carboxylic acid,cumalic acid,2h-pyran-5-carboxylic acid, 2-oxo,2-oxopyran-5-carboxylic acid,unii-ob1jpy343g,2-pyrone-5-carboxylic acid,alpha-pyrone-5-carboxylic acid,.alpha.-pyrone-5-carboxylic acid,ob1jpy343g PubChem CID: 68141 SMILES: OC(=O)C1=COC(=O)C=C1

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Specifications

PubChem CID	68141
CAS	500-05-0
Molecular Weight (g/mol)	140.09
MDL Number	MFCD00006644
SMILES	OC(=O)C1=COC(=O)C=C1
Synonym	coumalic acid,2-oxo-2h-pyran-5-carboxylic acid,cumalic acid,2h-pyran-5-carboxylic acid, 2-oxo,2-oxopyran-5-carboxylic acid,unii-ob1jpy343g,2-pyrone-5-carboxylic acid,alpha-pyrone-5-carboxylic acid,.alpha.-pyrone-5-carboxylic acid,ob1jpy343g
InChI Key	ORGPJDKNYMVLFL-UHFFFAOYSA-N
Molecular Formula	C6H4O4

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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

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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

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2-Benzoxazolinone, 98%

CAS: 59-49-4 Molecular Formula: C7H5NO2 Molecular Weight (g/mol): 135.12 MDL Number: MFCD00005716 InChI Key: ASSKVPFEZFQQNQ-UHFFFAOYSA-N Synonym: 2-benzoxazolinone,benzoxazolinone,benzoxazolone,2-hydroxybenzoxazole,2-benzoxazolol,2 3h-benzoxazolone,1,3-benzoxazol-2 3h-one,2-benzoxazolone,benzo d oxazol-2 3h-one,benzoxazolin-2-one PubChem CID: 6043 IUPAC Name: 2,3-dihydro-1,3-benzoxazol-2-one SMILES: O=C1NC2=CC=CC=C2O1

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PubChem CID	6043
CAS	59-49-4
Molecular Weight (g/mol)	135.12
MDL Number	MFCD00005716
SMILES	O=C1NC2=CC=CC=C2O1
Synonym	2-benzoxazolinone,benzoxazolinone,benzoxazolone,2-hydroxybenzoxazole,2-benzoxazolol,2 3h-benzoxazolone,1,3-benzoxazol-2 3h-one,2-benzoxazolone,benzo d oxazol-2 3h-one,benzoxazolin-2-one
IUPAC Name	2,3-dihydro-1,3-benzoxazol-2-one
InChI Key	ASSKVPFEZFQQNQ-UHFFFAOYSA-N
Molecular Formula	C7H5NO2

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2,3-Diphenylmaleic anhydride, 98%

CAS: 4808-48-4 Molecular Formula: C16H10O3 Molecular Weight (g/mol): 250.253 MDL Number: MFCD00005521 InChI Key: OUJCFCNZIUTYBH-UHFFFAOYSA-N Synonym: 2,3-diphenylmaleic anhydride,diphenylmaleic anhydride,3,4-diphenyl-2,5-furandione,diphenylfuran-2,5-dione,2,3-diphenylmaleicanhydride,2,5-furandione, 3,4-diphenyl,acmc-1asck,2, 3,4-diphenyl,diphenyl-maleic anhydride,2,5-furandione,3,4-diphenyl PubChem CID: 78530 IUPAC Name: 3,4-diphenylfuran-2,5-dione SMILES: C1=CC=C(C=C1)C2=C(C(=O)OC2=O)C3=CC=CC=C3

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Specifications

PubChem CID	78530
CAS	4808-48-4
Molecular Weight (g/mol)	250.253
MDL Number	MFCD00005521
SMILES	C1=CC=C(C=C1)C2=C(C(=O)OC2=O)C3=CC=CC=C3
Synonym	2,3-diphenylmaleic anhydride,diphenylmaleic anhydride,3,4-diphenyl-2,5-furandione,diphenylfuran-2,5-dione,2,3-diphenylmaleicanhydride,2,5-furandione, 3,4-diphenyl,acmc-1asck,2, 3,4-diphenyl,diphenyl-maleic anhydride,2,5-furandione,3,4-diphenyl
IUPAC Name	3,4-diphenylfuran-2,5-dione
InChI Key	OUJCFCNZIUTYBH-UHFFFAOYSA-N
Molecular Formula	C16H10O3

Xanthydrol for the Detection of Urea, ≥99.0% (HPLC), MilliporeSigma™ Supelco™

MDL Number: MFCD00005057 Synonym: 9-Hydroxyxanthene; 9-Xanthenol

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Specifications

MDL Number	MFCD00005057
Synonym	9-Hydroxyxanthene; 9-Xanthenol

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Flavone, 99%

CAS: 525-82-6 Molecular Formula: C15H10O2 Molecular Weight (g/mol): 222.243 MDL Number: MFCD00006825 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

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Specifications

PubChem CID	10680
CAS	525-82-6
Molecular Weight (g/mol)	222.243
ChEBI	CHEBI:42491
MDL Number	MFCD00006825
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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2-Benzoxazolinone, 98%

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Specifications

PubChem CID	6043
CAS	59-49-4
Molecular Weight (g/mol)	135.12
MDL Number	MFCD00005716
SMILES	O=C1NC2=CC=CC=C2O1
Synonym	2-benzoxazolinone,benzoxazolinone,benzoxazolone,2-hydroxybenzoxazole,2-benzoxazolol,2 3h-benzoxazolone,1,3-benzoxazol-2 3h-one,2-benzoxazolone,benzo d oxazol-2 3h-one,benzoxazolin-2-one
IUPAC Name	3H-1,3-benzoxazol-2-one
InChI Key	ASSKVPFEZFQQNQ-UHFFFAOYSA-N
Molecular Formula	C7H5NO2

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

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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

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