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, 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

1-Benzofuran-5-carboxylic acid, Thermo Scientific™

CAS: 90721-27-0 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.14 MDL Number: MFCD01006742 InChI Key: GTWXSZIQNTUNKR-UHFFFAOYSA-N Synonym: benzofuran-5-carboxylic acid,5-benzofurancarboxylic acid,benzo b furan-5-carboxylic acid,1-benzofunan-5-carboxylic acid,benzofurane-5-carboxylic acid,4ctj,pubchem7018,5-benzofuran carboxylic,rarechem al be 1369,5-benzofurancarboxylicacid PubChem CID: 595656 IUPAC Name: 1-benzofuran-5-carboxylic acid SMILES: OC(=O)C1=CC=C2OC=CC2=C1

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Specifications

PubChem CID	595656
CAS	90721-27-0
Molecular Weight (g/mol)	162.14
MDL Number	MFCD01006742
SMILES	OC(=O)C1=CC=C2OC=CC2=C1
Synonym	benzofuran-5-carboxylic acid,5-benzofurancarboxylic acid,benzo b furan-5-carboxylic acid,1-benzofunan-5-carboxylic acid,benzofurane-5-carboxylic acid,4ctj,pubchem7018,5-benzofuran carboxylic,rarechem al be 1369,5-benzofurancarboxylicacid
IUPAC Name	1-benzofuran-5-carboxylic acid
InChI Key	GTWXSZIQNTUNKR-UHFFFAOYSA-N
Molecular Formula	C9H6O3

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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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	2,3-dihydro-1,3-benzoxazol-2-one
InChI Key	ASSKVPFEZFQQNQ-UHFFFAOYSA-N
Molecular Formula	C7H5NO2

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

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

Pricing and Availability
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

6-Chloro-1,3-benzoxazol-2(3H)-one, 98+%, Thermo Scientific™

CAS: 19932-84-4 Molecular Formula: C7H4ClNO2 Molecular Weight (g/mol): 169.56 MDL Number: MFCD00463914 InChI Key: MATCZHXABVLZIE-UHFFFAOYSA-N Synonym: 6-chloro-2-benzoxazolinone,6-chlorobenzoxazolone,2 3h-benzoxazolone, 6-chloro,6-chloro-1,3-benzoxazol-2 3h-one,6-chlorobenzo d oxazol-2 3h-one,6-chlorobenzoxazolinone,6-chloro-2-benzoxazolone,6-chloro-1,3-benzoxazol-2-ol,2-benzoxazolinone, 6-chloro,6-chloro-2,3-dihydrobenzoxazol-2-one PubChem CID: 29858 IUPAC Name: 6-chloro-3H-1,3-benzoxazol-2-one SMILES: ClC1=CC=C2NC(=O)OC2=C1

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Specifications

PubChem CID	29858
CAS	19932-84-4
Molecular Weight (g/mol)	169.56
MDL Number	MFCD00463914
SMILES	ClC1=CC=C2NC(=O)OC2=C1
Synonym	6-chloro-2-benzoxazolinone,6-chlorobenzoxazolone,2 3h-benzoxazolone, 6-chloro,6-chloro-1,3-benzoxazol-2 3h-one,6-chlorobenzo d oxazol-2 3h-one,6-chlorobenzoxazolinone,6-chloro-2-benzoxazolone,6-chloro-1,3-benzoxazol-2-ol,2-benzoxazolinone, 6-chloro,6-chloro-2,3-dihydrobenzoxazol-2-one
IUPAC Name	6-chloro-3H-1,3-benzoxazol-2-one
InChI Key	MATCZHXABVLZIE-UHFFFAOYSA-N
Molecular Formula	C7H4ClNO2

4,6-Diphenyl-2-pyrone, 98%

CAS: 17372-52-0 Molecular Formula: C17H12O2 Molecular Weight (g/mol): 248.28 MDL Number: MFCD00031018 InChI Key: DDGIHXFDWLCKRZ-UHFFFAOYSA-N PubChem CID: 296685 IUPAC Name: 4,6-diphenylpyran-2-one SMILES: O=C1OC(=CC(=C1)C1=CC=CC=C1)C1=CC=CC=C1

Pricing and Availability
Specifications

PubChem CID	296685
CAS	17372-52-0
Molecular Weight (g/mol)	248.28
MDL Number	MFCD00031018
SMILES	O=C1OC(=CC(=C1)C1=CC=CC=C1)C1=CC=CC=C1
IUPAC Name	4,6-diphenylpyran-2-one
InChI Key	DDGIHXFDWLCKRZ-UHFFFAOYSA-N
Molecular Formula	C17H12O2

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

Pricing and Availability
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

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

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

Pricing and Availability
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

Chloroxazone, 98%

CAS: 95-25-0 Molecular Formula: C₇H₄ClNO₂ Molecular Weight (g/mol): 169.57 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

Pricing and Availability
Specifications

PubChem CID	2733
CAS	95-25-0
Molecular Weight (g/mol)	169.57
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

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',8-Trimethylpsoralen, 99%

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-trimethyl-7H-furo[3,2-g]chromen-7-one SMILES: CC1=CC2=CC3=C(OC(=O)C=C3C)C(C)=C2O1

Pricing and Availability
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-trimethyl-7H-furo[3,2-g]chromen-7-one
InChI Key	FMHHVULEAZTJMA-UHFFFAOYSA-N
Molecular Formula	C14H12O3

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

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

Oxacyclic compounds

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