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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1 – 15 of 338 results

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	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

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

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

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Xanthene-9-carboxylic acid, 98%

CAS: 82-07-5 Molecular Formula: C14H10O3 Molecular Weight (g/mol): 226.231 MDL Number: MFCD00005059 InChI Key: VSBFNCXKYIEYIS-UHFFFAOYSA-N Synonym: xanthene-9-carboxylic acid,xanthanoic acid,xanthenecarboxylic acid,9-xanthenecarboxylic acid,unii-63a81f6a8v,xanthene-9-carboxylicacid,pubchem17697,maybridge1_006340,9-xanthenylcarboxylic acid,chembl520 PubChem CID: 65736 IUPAC Name: 9H-xanthene-9-carboxylic acid SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)C(=O)O

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Specifications

PubChem CID	65736
CAS	82-07-5
Molecular Weight (g/mol)	226.231
MDL Number	MFCD00005059
SMILES	C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)C(=O)O
Synonym	xanthene-9-carboxylic acid,xanthanoic acid,xanthenecarboxylic acid,9-xanthenecarboxylic acid,unii-63a81f6a8v,xanthene-9-carboxylicacid,pubchem17697,maybridge1_006340,9-xanthenylcarboxylic acid,chembl520
IUPAC Name	9H-xanthene-9-carboxylic acid
InChI Key	VSBFNCXKYIEYIS-UHFFFAOYSA-N
Molecular Formula	C14H10O3

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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-Methylbenzofuran, 96%

CAS: 4265-25-2 Molecular Formula: C9H8O Molecular Weight (g/mol): 132.16 MDL Number: MFCD00005850 InChI Key: GBGPVUAOTCNZPT-UHFFFAOYSA-N Synonym: 2-methylbenzofuran,benzofuran, 2-methyl,2-methylcumarone,2-methylbenzo b furan,2-methyl benzofuran,unii-8x3183bz3x,methylbenzofuran,methyl benzoxole,2-methyl-benzofuran,# PubChem CID: 20263 IUPAC Name: 2-methyl-1-benzofuran SMILES: CC1=CC2=CC=CC=C2O1

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Specifications

PubChem CID	20263
CAS	4265-25-2
Molecular Weight (g/mol)	132.16
MDL Number	MFCD00005850
SMILES	CC1=CC2=CC=CC=C2O1
Synonym	2-methylbenzofuran,benzofuran, 2-methyl,2-methylcumarone,2-methylbenzo b furan,2-methyl benzofuran,unii-8x3183bz3x,methylbenzofuran,methyl benzoxole,2-methyl-benzofuran,#
IUPAC Name	2-methyl-1-benzofuran
InChI Key	GBGPVUAOTCNZPT-UHFFFAOYSA-N
Molecular Formula	C9H8O

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

CAS: 68641-49-6 Molecular Formula: C6H8ClN2O5P Molecular Weight (g/mol): 254.563 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)	254.563
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

Psoralen, 97%, Thermo Scientific Chemicals

CAS: 66-97-7 Molecular Formula: C11H6O3 Molecular Weight (g/mol): 186.17 MDL Number: MFCD00010520 InChI Key: ZCCUUQDIBDJBTK-UHFFFAOYSA-N Synonym: psoralen,ficusin,7h-furo 3,2-g chromen-7-one,furocoumarin,psoralene,7h-furo 3,2-g 1 benzopyran-7-one,psorline-p,6,7-furanocoumarin,furo 3,2-g chromen-7-one,furo 3,2-g coumarin PubChem CID: 6199 ChEBI: CHEBI:27616 IUPAC Name: 7H-furo[3,2-g]chromen-7-one SMILES: O=C1OC2=CC3=C(C=CO3)C=C2C=C1

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Specifications

PubChem CID	6199
CAS	66-97-7
Molecular Weight (g/mol)	186.17
ChEBI	CHEBI:27616
MDL Number	MFCD00010520
SMILES	O=C1OC2=CC3=C(C=CO3)C=C2C=C1
Synonym	psoralen,ficusin,7h-furo 3,2-g chromen-7-one,furocoumarin,psoralene,7h-furo 3,2-g 1 benzopyran-7-one,psorline-p,6,7-furanocoumarin,furo 3,2-g chromen-7-one,furo 3,2-g coumarin
IUPAC Name	7H-furo[3,2-g]chromen-7-one
InChI Key	ZCCUUQDIBDJBTK-UHFFFAOYSA-N
Molecular Formula	C11H6O3

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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

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5-Methyl-3-phenyl-1,2,4-oxadiazole, 97%

CAS: 1198-98-7 Molecular Formula: C9H8N2O Molecular Weight (g/mol): 160.18 MDL Number: MFCD00085133 InChI Key: VRRLZUXQTZOCKJ-UHFFFAOYSA-N Synonym: phenylmethyloxadiazole,5-methyl-3-phenyl-1,2,4-oxadiazol,1,2,4-oxadiazole, 5-methyl-3-phenyl,1,4-oxadiazole, 5-methyl-3-phenyl,3-phenyl-5-methyl-1,2,4-oxadiazole,5-methyl-3-phenyl-1,2,4 oxadiazole,1,2,4-oxadiazole, 5-methyl-3-phenyl-8ci 9ci PubChem CID: 98806 IUPAC Name: 5-methyl-3-phenyl-1,2,4-oxadiazole SMILES: CC1=NC(=NO1)C1=CC=CC=C1

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Specifications

PubChem CID	98806
CAS	1198-98-7
Molecular Weight (g/mol)	160.18
MDL Number	MFCD00085133
SMILES	CC1=NC(=NO1)C1=CC=CC=C1
Synonym	phenylmethyloxadiazole,5-methyl-3-phenyl-1,2,4-oxadiazol,1,2,4-oxadiazole, 5-methyl-3-phenyl,1,4-oxadiazole, 5-methyl-3-phenyl,3-phenyl-5-methyl-1,2,4-oxadiazole,5-methyl-3-phenyl-1,2,4 oxadiazole,1,2,4-oxadiazole, 5-methyl-3-phenyl-8ci 9ci
IUPAC Name	5-methyl-3-phenyl-1,2,4-oxadiazole
InChI Key	VRRLZUXQTZOCKJ-UHFFFAOYSA-N
Molecular Formula	C9H8N2O

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