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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91 – 105 of 336 results

Oxazole-4-carboxylic acid, 97%

CAS: 23012-13-7 Molecular Formula: C₄H₃NO₃ Molecular Weight (g/mol): 113.07 MDL Number: MFCD06797151 InChI Key: JBCFJMYPJJWIRG-UHFFFAOYSA-N Synonym: oxazole-4-carboxylic acid,4-oxazolecarboxylic acid,4-oxazolecarboxylicacid,4-carboxy-1,3-oxazole,oxazole-4-carboxylic,4-oxazolecarboxlic acid,pubchem11025,4-carboxyoxazole,4-oxazolecarboxylic acid ep PubChem CID: 14281430 IUPAC Name: 1,3-oxazole-4-carboxylic acid SMILES: C1=C(N=CO1)C(=O)O

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PubChem CID	14281430
CAS	23012-13-7
Molecular Weight (g/mol)	113.07
MDL Number	MFCD06797151
SMILES	C1=C(N=CO1)C(=O)O
Synonym	oxazole-4-carboxylic acid,4-oxazolecarboxylic acid,4-oxazolecarboxylicacid,4-carboxy-1,3-oxazole,oxazole-4-carboxylic,4-oxazolecarboxlic acid,pubchem11025,4-carboxyoxazole,4-oxazolecarboxylic acid ep
IUPAC Name	1,3-oxazole-4-carboxylic acid
InChI Key	JBCFJMYPJJWIRG-UHFFFAOYSA-N
Molecular Formula	C₄H₃NO₃

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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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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

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Dibenzofuran, 98%

CAS: 132-64-9 Molecular Formula: C12H8O Molecular Weight (g/mol): 168.195 MDL Number: MFCD00004968 InChI Key: TXCDCPKCNAJMEE-UHFFFAOYSA-N Synonym: dibenzo b,d furan,diphenylene oxide,2,2'-biphenylene oxide,2,2'-biphenylylene oxide,dibenzofurans,dibenzol b,d furan,dibenzofurane,1,1'-biphenyl-2,2'-diyl oxide PubChem CID: 568 ChEBI: CHEBI:28145 IUPAC Name: dibenzofuran SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3O2

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Specifications

PubChem CID	568
CAS	132-64-9
Molecular Weight (g/mol)	168.195
ChEBI	CHEBI:28145
MDL Number	MFCD00004968
SMILES	C1=CC=C2C(=C1)C3=CC=CC=C3O2
Synonym	dibenzo b,d furan,diphenylene oxide,2,2'-biphenylene oxide,2,2'-biphenylylene oxide,dibenzofurans,dibenzol b,d furan,dibenzofurane,1,1'-biphenyl-2,2'-diyl oxide
IUPAC Name	dibenzofuran
InChI Key	TXCDCPKCNAJMEE-UHFFFAOYSA-N
Molecular Formula	C12H8O

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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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3-Methylphthalic anhydride, 96%

CAS: 4792-30-7 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.14 MDL Number: MFCD00047316 InChI Key: TWWAWPHAOPTQEU-UHFFFAOYSA-N Synonym: 3-methylphthalic anhydride,4-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 4-methyl,3-methyl phthalic anhydride,methylphthalic anhydride,phthalic anhydride, 3-methyl,2,3-toluenedicarboxylic anhydride,1,3-isobenzofurandione, methyl,4-methyl-1,3-dihydro-2-benzofuran-1,3-dione,acmc-1arrb PubChem CID: 98500 IUPAC Name: 4-methyl-2-benzofuran-1,3-dione SMILES: CC1=CC=CC2=C1C(=O)OC2=O

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Specifications

PubChem CID	98500
CAS	4792-30-7
Molecular Weight (g/mol)	162.14
MDL Number	MFCD00047316
SMILES	CC1=CC=CC2=C1C(=O)OC2=O
Synonym	3-methylphthalic anhydride,4-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 4-methyl,3-methyl phthalic anhydride,methylphthalic anhydride,phthalic anhydride, 3-methyl,2,3-toluenedicarboxylic anhydride,1,3-isobenzofurandione, methyl,4-methyl-1,3-dihydro-2-benzofuran-1,3-dione,acmc-1arrb
IUPAC Name	4-methyl-2-benzofuran-1,3-dione
InChI Key	TWWAWPHAOPTQEU-UHFFFAOYSA-N
Molecular Formula	C9H6O3

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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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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

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2,3-Dimethylmaleic anhydride, 97%

CAS: 766-39-2 Molecular Formula: C₆H₆O₃ Molecular Weight (g/mol): 126.11 MDL Number: MFCD00005523 InChI Key: MFGALGYVFGDXIX-UHFFFAOYSA-N Synonym: 2,3-dimethylmaleic anhydride,dimethylmaleic anhydride,2,5-furandione, 3,4-dimethyl,pyrocinchonic anhydride,maleic anhydride, dimethyl,dimethylmaleic acid anhydride,2,3-dimethylmaleicanhydride,unii-6pp3n541qa,3,4-dimethyl-furan-2,5-dione,alpha,beta-dimethylmaleic anhydride PubChem CID: 13010 IUPAC Name: 3,4-dimethylfuran-2,5-dione SMILES: CC1=C(C(=O)OC1=O)C

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Specifications

PubChem CID	13010
CAS	766-39-2
Molecular Weight (g/mol)	126.11
MDL Number	MFCD00005523
SMILES	CC1=C(C(=O)OC1=O)C
Synonym	2,3-dimethylmaleic anhydride,dimethylmaleic anhydride,2,5-furandione, 3,4-dimethyl,pyrocinchonic anhydride,maleic anhydride, dimethyl,dimethylmaleic acid anhydride,2,3-dimethylmaleicanhydride,unii-6pp3n541qa,3,4-dimethyl-furan-2,5-dione,alpha,beta-dimethylmaleic anhydride
IUPAC Name	3,4-dimethylfuran-2,5-dione
InChI Key	MFGALGYVFGDXIX-UHFFFAOYSA-N
Molecular Formula	C₆H₆O₃

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

100

3-(2-Furyl)-1-methyl-1H-pyrazole-5-carboxylic acid, ≥97%, Thermo Scientific™

CAS: 859851-00-6 Molecular Formula: C9H8N2O3 Molecular Weight (g/mol): 192.17 MDL Number: MFCD08271950 InChI Key: MOPCEJWYTICWJM-UHFFFAOYSA-N Synonym: 3-2-furyl-1-methyl-1h-pyrazole-5-carboxylic acid,5-furan-2-yl-2-methylpyrazole-3-carboxylic acid,3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl,3-fur-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1-methylpyrazole-5-carboxylic acid PubChem CID: 7537643 SMILES: CN1N=C(C=C1C(O)=O)C1=CC=CO1

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Specifications

PubChem CID	7537643
CAS	859851-00-6
Molecular Weight (g/mol)	192.17
MDL Number	MFCD08271950
SMILES	CN1N=C(C=C1C(O)=O)C1=CC=CO1
Synonym	3-2-furyl-1-methyl-1h-pyrazole-5-carboxylic acid,5-furan-2-yl-2-methylpyrazole-3-carboxylic acid,3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl,3-fur-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1-methylpyrazole-5-carboxylic acid
InChI Key	MOPCEJWYTICWJM-UHFFFAOYSA-N
Molecular Formula	C9H8N2O3

101

5-(2-Furyl)-1-methyl-1H-pyrazole-3-carboxylic acid, ≥97%, Thermo Scientific™

CAS: 108128-39-8 Molecular Formula: C9H8N2O3 Molecular Weight (g/mol): 192.17 MDL Number: MFCD08060535 InChI Key: XXEWHNSDJMBLBK-UHFFFAOYSA-N Synonym: 5-2-furyl-1-methyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1-methylpyrazole-3-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-1-methyl,5-furan-2-yl-1-methyl-1h-pyrazole-3-carboxylic acid,acmc-1btkv,5-2-furyl-1-methylpyrazole-3-carboxylic acid PubChem CID: 7537639 SMILES: CN1N=C(C=C1C1=CC=CO1)C(O)=O

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PubChem CID	7537639
CAS	108128-39-8
Molecular Weight (g/mol)	192.17
MDL Number	MFCD08060535
SMILES	CN1N=C(C=C1C1=CC=CO1)C(O)=O
Synonym	5-2-furyl-1-methyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1-methylpyrazole-3-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-1-methyl,5-furan-2-yl-1-methyl-1h-pyrazole-3-carboxylic acid,acmc-1btkv,5-2-furyl-1-methylpyrazole-3-carboxylic acid
InChI Key	XXEWHNSDJMBLBK-UHFFFAOYSA-N
Molecular Formula	C9H8N2O3

102

2-(2-Furyl)benzonitrile 97+%, Thermo Scientific™

CAS: 155395-45-2 Molecular Formula: C11H7NO Molecular Weight (g/mol): 169.18 MDL Number: MFCD04039074 InChI Key: XLZNEBADSPRURH-UHFFFAOYSA-N Synonym: 2-2-furyl benzonitrile,2-furan-2-yl benzonitrile,2-furan-2-yl-benzonitrile,benzonitrile,2-2-furanyl,2-2-furanyl benzonitrile,2-2-furyl benzenecarbonitrile,2-furan-2-yl benzenecarbonitrile PubChem CID: 4335608 IUPAC Name: 2-(furan-2-yl)benzonitrile SMILES: N#CC1=CC=CC=C1C1=CC=CO1

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PubChem CID	4335608
CAS	155395-45-2
Molecular Weight (g/mol)	169.18
MDL Number	MFCD04039074
SMILES	N#CC1=CC=CC=C1C1=CC=CO1
Synonym	2-2-furyl benzonitrile,2-furan-2-yl benzonitrile,2-furan-2-yl-benzonitrile,benzonitrile,2-2-furanyl,2-2-furanyl benzonitrile,2-2-furyl benzenecarbonitrile,2-furan-2-yl benzenecarbonitrile
IUPAC Name	2-(furan-2-yl)benzonitrile
InChI Key	XLZNEBADSPRURH-UHFFFAOYSA-N
Molecular Formula	C11H7NO

103

4-(5-Methyl-1,2,4-oxadiazol-3-yl)benzoic acid, 97%, Thermo Scientific™

CAS: 95124-68-8 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.185 MDL Number: MFCD06797475 InChI Key: DTKAUYQBZSOHRJ-UHFFFAOYSA-N Synonym: 4-5-methyl-1,2,4-oxadiazol-3-yl benzoic acid,3-4-carboxyphenyl-5-methyl-1,2,4-oxadiazole,4-5-methyl-1,2,4 oxadiazol-3-yl-benzoic acid,benzoic acid, 4-5-methyl-1,2,4-oxadiazol-3-yl,acmc-209xiw,4-5-methyl-1,2,4-oxadiazol-3-yl benzoicacid PubChem CID: 7127808 IUPAC Name: 4-(5-methyl-1,2,4-oxadiazol-3-yl)benzoic acid SMILES: CC1=NC(=NO1)C2=CC=C(C=C2)C(=O)O

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Specifications

PubChem CID	7127808
CAS	95124-68-8
Molecular Weight (g/mol)	204.185
MDL Number	MFCD06797475
SMILES	CC1=NC(=NO1)C2=CC=C(C=C2)C(=O)O
Synonym	4-5-methyl-1,2,4-oxadiazol-3-yl benzoic acid,3-4-carboxyphenyl-5-methyl-1,2,4-oxadiazole,4-5-methyl-1,2,4 oxadiazol-3-yl-benzoic acid,benzoic acid, 4-5-methyl-1,2,4-oxadiazol-3-yl,acmc-209xiw,4-5-methyl-1,2,4-oxadiazol-3-yl benzoicacid
IUPAC Name	4-(5-methyl-1,2,4-oxadiazol-3-yl)benzoic acid
InChI Key	DTKAUYQBZSOHRJ-UHFFFAOYSA-N
Molecular Formula	C10H8N2O3

104

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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

105

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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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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

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