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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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Keyword Search:
1 – 15 of 39 results
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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

EDGE
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
2

3-(2-Furyl)benzoic acid, 97%, Thermo Scientific™

CAS: 35461-99-5 Molecular Formula: C11H8O3 Molecular Weight (g/mol): 188.182 MDL Number: MFCD02690979 InChI Key: RQVVFGRDMHDHNI-UHFFFAOYSA-N Synonym: 3-furan-2-yl benzoic acid,3-2-furyl benzoic acid,3-fur-2-ylbenzoic acid,3-furan-2-yl-benzoic acid,m-2-furyl benzoic acid,benzoic acid, 3-2-furanyl PubChem CID: 5037933 IUPAC Name: 3-(furan-2-yl)benzoic acid SMILES: C1=CC(=CC(=C1)C(=O)O)C2=CC=CO2

PubChem CID 5037933
CAS 35461-99-5
Molecular Weight (g/mol) 188.182
MDL Number MFCD02690979
SMILES C1=CC(=CC(=C1)C(=O)O)C2=CC=CO2
Synonym 3-furan-2-yl benzoic acid,3-2-furyl benzoic acid,3-fur-2-ylbenzoic acid,3-furan-2-yl-benzoic acid,m-2-furyl benzoic acid,benzoic acid, 3-2-furanyl
IUPAC Name 3-(furan-2-yl)benzoic acid
InChI Key RQVVFGRDMHDHNI-UHFFFAOYSA-N
Molecular Formula C11H8O3
3

2-Chloro-4-(2-furyl)pyrimidine, 97%, Thermo Scientific™

CAS: 124959-28-0 Molecular Formula: C8H5ClN2O Molecular Weight (g/mol): 180.59 MDL Number: MFCD09065030 InChI Key: BLFCXYJTVFTNRX-UHFFFAOYSA-N Synonym: 2-chloro-4-2-furyl pyrimidine,2-chloro-4-furan-2-yl pyrimidine,2-2-chloropyrimidin-4-yl furan,pyrimidine,2-chloro-4-2-furanyl,2-chloro-4-furan-2-yl-pyrimidine,acmc-20mr9m,2-chloro-4-2-furanyl pyrimidine,pyrimidine, 2-chloro-4-2-furanyl PubChem CID: 14745027 IUPAC Name: 2-chloro-4-(furan-2-yl)pyrimidine SMILES: ClC1=NC=CC(=N1)C1=CC=CO1

PubChem CID 14745027
CAS 124959-28-0
Molecular Weight (g/mol) 180.59
MDL Number MFCD09065030
SMILES ClC1=NC=CC(=N1)C1=CC=CO1
Synonym 2-chloro-4-2-furyl pyrimidine,2-chloro-4-furan-2-yl pyrimidine,2-2-chloropyrimidin-4-yl furan,pyrimidine,2-chloro-4-2-furanyl,2-chloro-4-furan-2-yl-pyrimidine,acmc-20mr9m,2-chloro-4-2-furanyl pyrimidine,pyrimidine, 2-chloro-4-2-furanyl
IUPAC Name 2-chloro-4-(furan-2-yl)pyrimidine
InChI Key BLFCXYJTVFTNRX-UHFFFAOYSA-N
Molecular Formula C8H5ClN2O
4

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

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
5

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

CAS: 475105-77-2 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.185 MDL Number: MFCD08741426 InChI Key: JHLHKCWPDVKWNS-UHFFFAOYSA-N Synonym: 2-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoic acid,2-3-methyl-1,2,4-oxadiazol-5-yl,5-2-carboxyphenyl-3-methyl-1,2,4-oxadiazole,2-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,2-3-methyl-1,2,4 oxadiazol-5-yl benzoic acid,benzoic acid, 2-3-methyl-1,2,4-oxadiazol-5-yl PubChem CID: 23146305 IUPAC Name: 2-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid SMILES: CC1=NOC(=N1)C2=CC=CC=C2C(=O)O

PubChem CID 23146305
CAS 475105-77-2
Molecular Weight (g/mol) 204.185
MDL Number MFCD08741426
SMILES CC1=NOC(=N1)C2=CC=CC=C2C(=O)O
Synonym 2-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoic acid,2-3-methyl-1,2,4-oxadiazol-5-yl,5-2-carboxyphenyl-3-methyl-1,2,4-oxadiazole,2-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,2-3-methyl-1,2,4 oxadiazol-5-yl benzoic acid,benzoic acid, 2-3-methyl-1,2,4-oxadiazol-5-yl
IUPAC Name 2-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid
InChI Key JHLHKCWPDVKWNS-UHFFFAOYSA-N
Molecular Formula C10H8N2O3
6

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

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
7

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

CAS: 116153-81-2 Molecular Formula: C8H6N2O3 Molecular Weight (g/mol): 178.147 MDL Number: MFCD05170057 InChI Key: GKPSFQIKCROJOB-UHFFFAOYSA-N Synonym: 5-2-furyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-2h-pyrazole-3-carboxylic acid,3-furan-2-yl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl,5-2-furyl pyrazole-3-carboxylic acid,acmc-20f1sn,3-2-furyl pyrazole-5-carboxylic acid PubChem CID: 654018 IUPAC Name: 5-(furan-2-yl)-1H-pyrazole-3-carboxylic acid SMILES: C1=COC(=C1)C2=CC(=NN2)C(=O)O

PubChem CID 654018
CAS 116153-81-2
Molecular Weight (g/mol) 178.147
MDL Number MFCD05170057
SMILES C1=COC(=C1)C2=CC(=NN2)C(=O)O
Synonym 5-2-furyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-2h-pyrazole-3-carboxylic acid,3-furan-2-yl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl,5-2-furyl pyrazole-3-carboxylic acid,acmc-20f1sn,3-2-furyl pyrazole-5-carboxylic acid
IUPAC Name 5-(furan-2-yl)-1H-pyrazole-3-carboxylic acid
InChI Key GKPSFQIKCROJOB-UHFFFAOYSA-N
Molecular Formula C8H6N2O3
8
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Phthalic Anhydride, 99%

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

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
9

6-amino-1,3-benzoxazol-2(3h)-one, 95%, Thermo Scientific™

CAS: 22876-17-1 Molecular Formula: C7H6N2O2 Molecular Weight (g/mol): 150.137 MDL Number: MFCD00463899 InChI Key: STLPJYGZOIEDAJ-UHFFFAOYSA-N Synonym: 6-aminobenzo d oxazol-2 3h-one,6-amino-1,3-benzoxazol-2 3h-one,2 3h-benzoxazolone, 6-amino,6-amino-2-3h benzoxazolone,6-amino-3h-benzooxazol-2-one,6-amino-2,3-dihydro-1,3-benzoxazol-2-one,6-amino-2-benzoxazolone,6-amino-2-benzoxazolinone,6-amino-3-hydrobenzoxazol-2-one,6-amino-2-hydroxybenzoxazole PubChem CID: 826989 IUPAC Name: 6-amino-3H-1,3-benzoxazol-2-one SMILES: C1=CC2=C(C=C1N)OC(=O)N2

PubChem CID 826989
CAS 22876-17-1
Molecular Weight (g/mol) 150.137
MDL Number MFCD00463899
SMILES C1=CC2=C(C=C1N)OC(=O)N2
Synonym 6-aminobenzo d oxazol-2 3h-one,6-amino-1,3-benzoxazol-2 3h-one,2 3h-benzoxazolone, 6-amino,6-amino-2-3h benzoxazolone,6-amino-3h-benzooxazol-2-one,6-amino-2,3-dihydro-1,3-benzoxazol-2-one,6-amino-2-benzoxazolone,6-amino-2-benzoxazolinone,6-amino-3-hydrobenzoxazol-2-one,6-amino-2-hydroxybenzoxazole
IUPAC Name 6-amino-3H-1,3-benzoxazol-2-one
InChI Key STLPJYGZOIEDAJ-UHFFFAOYSA-N
Molecular Formula C7H6N2O2
12

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

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
13
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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

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
14

Phthalide, 99%

CAS: 87-41-2 MDL Number: MFCD00005906 InChI Key: WNZQDUSMALZDQF-UHFFFAOYSA-N Synonym: phthalide,isobenzofuran-1 3h-one,1 3h-isobenzofuranone,1-phthalanone,phthalolactone,2-benzofuran-1 3h-one,isobenzofuranone,phthalanone,3h-isobenzofuran-1-one,2-hydroxymethylbenzoic acid, gamma-lactone PubChem CID: 6885 ChEBI: CHEBI:38085 IUPAC Name: 3H-2-benzofuran-1-one SMILES: C1C2=CC=CC=C2C(=O)O1

PubChem CID 6885
CAS 87-41-2
ChEBI CHEBI:38085
MDL Number MFCD00005906
SMILES C1C2=CC=CC=C2C(=O)O1
Synonym phthalide,isobenzofuran-1 3h-one,1 3h-isobenzofuranone,1-phthalanone,phthalolactone,2-benzofuran-1 3h-one,isobenzofuranone,phthalanone,3h-isobenzofuran-1-one,2-hydroxymethylbenzoic acid, gamma-lactone
IUPAC Name 3H-2-benzofuran-1-one
InChI Key WNZQDUSMALZDQF-UHFFFAOYSA-N
15

2,3-Diphenylmaleic anhydride, 98%

CAS: 4808-48-4 Molecular Formula: C16H10O3 Molecular Weight (g/mol): 250.26 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

PubChem CID 78530
CAS 4808-48-4
Molecular Weight (g/mol) 250.26
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