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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 169 results
1

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

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
2

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

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
3

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

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

MDL Number MFCD00005057
Synonym 9-Hydroxyxanthene; 9-Xanthenol
4

3-Methylflavone-8-Carboxylic Acid, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

5

5-Chloro-2-pentanone ethylene ketal, 97%

CAS: 5978-08-5 Molecular Formula: C7H13ClO2 Molecular Weight (g/mol): 164.63 MDL Number: MFCD00003217 InChI Key: OFERIRWCHSOJJT-UHFFFAOYSA-N

CAS 5978-08-5
Molecular Weight (g/mol) 164.63
MDL Number MFCD00003217
InChI Key OFERIRWCHSOJJT-UHFFFAOYSA-N
Molecular Formula C7H13ClO2
6

Citraconic anhydride, 98%

CAS: 616-02-4 Molecular Formula: C5H4O3 Molecular Weight (g/mol): 112.08 MDL Number: MFCD00005522 InChI Key: AYKYXWQEBUNJCN-UHFFFAOYSA-N Synonym: citraconic anhydride,2,5-furandione, 3-methyl,2-methylmaleic anhydride,methylmaleic anhydride,3-methylmaleic anhydride,citraconic acid anhydride,monomethylmaleic anhydride,maleic anhydride, methyl,2-methylmaleicanhydride,unii-105np7pmxx PubChem CID: 12012 IUPAC Name: 3-methylfuran-2,5-dione SMILES: CC1=CC(=O)OC1=O

PubChem CID 12012
CAS 616-02-4
Molecular Weight (g/mol) 112.08
MDL Number MFCD00005522
SMILES CC1=CC(=O)OC1=O
Synonym citraconic anhydride,2,5-furandione, 3-methyl,2-methylmaleic anhydride,methylmaleic anhydride,3-methylmaleic anhydride,citraconic acid anhydride,monomethylmaleic anhydride,maleic anhydride, methyl,2-methylmaleicanhydride,unii-105np7pmxx
IUPAC Name 3-methylfuran-2,5-dione
InChI Key AYKYXWQEBUNJCN-UHFFFAOYSA-N
Molecular Formula C5H4O3
7

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

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
8

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

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
9

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

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
10

4,5',8-Trimethylpsoralen, 97.5%

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

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-trimethylfuro[3,2-g]chromen-7-one
InChI Key FMHHVULEAZTJMA-UHFFFAOYSA-N
Molecular Formula C14H12O3
11

N-BOC-3-(4-Cyanophenyl)oxaziridine, 98+%

CAS: 150884-56-3 Molecular Formula: C13H14N2O3 Molecular Weight (g/mol): 246.27 MDL Number: MFCD00800493 InChI Key: ACXPNVRTMHEHMQ-UHFFFAOYSA-N Synonym: n-boc-3-4-cyanophenyl oxaziridine,tert-butyl 3-4-cyanophenyl-1,2-oxaziridine-2-carboxylate,tert-butyl 3-4-cyanophenyl oxaziridine-2-carboxylate,2-oxaziridinecarboxylicacid, 3-4-cyanophenyl-, 1,1-dimethylethyl ester, 2r,3s-rel-9ci,acmc-20n62r,n-boc-3-4-cyanophenyl oxaziridine, 98+%,2-tert-butoxycarbonyl-3-4-cyanophenyl oxaziridine,n-tert-butoxycarbonyl-3-4-cyanophenyl-oxaziridine,3-4-cyano-phenyl-oxaziridine-2-carboxylic acid tert-butyl ester,3-4-cyano-phenyl oxaziridine-2-carboxylic acid tert-butyl ester PubChem CID: 2725038 IUPAC Name: tert-butyl 3-(4-cyanophenyl)oxaziridine-2-carboxylate SMILES: CC(C)(C)OC(=O)N1C(O1)C2=CC=C(C=C2)C#N

PubChem CID 2725038
CAS 150884-56-3
Molecular Weight (g/mol) 246.27
MDL Number MFCD00800493
SMILES CC(C)(C)OC(=O)N1C(O1)C2=CC=C(C=C2)C#N
Synonym n-boc-3-4-cyanophenyl oxaziridine,tert-butyl 3-4-cyanophenyl-1,2-oxaziridine-2-carboxylate,tert-butyl 3-4-cyanophenyl oxaziridine-2-carboxylate,2-oxaziridinecarboxylicacid, 3-4-cyanophenyl-, 1,1-dimethylethyl ester, 2r,3s-rel-9ci,acmc-20n62r,n-boc-3-4-cyanophenyl oxaziridine, 98+%,2-tert-butoxycarbonyl-3-4-cyanophenyl oxaziridine,n-tert-butoxycarbonyl-3-4-cyanophenyl-oxaziridine,3-4-cyano-phenyl-oxaziridine-2-carboxylic acid tert-butyl ester,3-4-cyano-phenyl oxaziridine-2-carboxylic acid tert-butyl ester
IUPAC Name tert-butyl 3-(4-cyanophenyl)oxaziridine-2-carboxylate
InChI Key ACXPNVRTMHEHMQ-UHFFFAOYSA-N
Molecular Formula C13H14N2O3
12

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

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
13

2,3-Benzofuran, 99%

CAS: 271-89-6 Molecular Formula: C8H6O Molecular Weight (g/mol): 118.14 MDL Number: MFCD00005847 InChI Key: IANQTJSKSUMEQM-UHFFFAOYSA-N Synonym: benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene PubChem CID: 9223 ChEBI: CHEBI:35260 IUPAC Name: 1-benzofuran SMILES: O1C=CC2=CC=CC=C12

PubChem CID 9223
CAS 271-89-6
Molecular Weight (g/mol) 118.14
ChEBI CHEBI:35260
MDL Number MFCD00005847
SMILES O1C=CC2=CC=CC=C12
Synonym benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene
IUPAC Name 1-benzofuran
InChI Key IANQTJSKSUMEQM-UHFFFAOYSA-N
Molecular Formula C8H6O
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

4-Oxo-4H-1-benzopyran-2-carboxylic acid, 97%

CAS: 4940-39-0 Molecular Formula: C10H6O4 Molecular Weight (g/mol): 190.15 MDL Number: MFCD00006838 InChI Key: RVMGXWBCQGAWBR-UHFFFAOYSA-N Synonym: chromocarb,chromone-2-carboxylic acid,4-oxo-4h-chromene-2-carboxylic acid,4-oxo-4h-1-benzopyran-2-carboxylic acid,atremon,chromonecarboxylic acid,lp-1,chromocarb inn:dcf,2-chromonecarboxylic acid,chromocarbe inn-french PubChem CID: 2741 IUPAC Name: 4-oxochromene-2-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=O)C=C(O2)C(=O)O

PubChem CID 2741
CAS 4940-39-0
Molecular Weight (g/mol) 190.15
MDL Number MFCD00006838
SMILES C1=CC=C2C(=C1)C(=O)C=C(O2)C(=O)O
Synonym chromocarb,chromone-2-carboxylic acid,4-oxo-4h-chromene-2-carboxylic acid,4-oxo-4h-1-benzopyran-2-carboxylic acid,atremon,chromonecarboxylic acid,lp-1,chromocarb inn:dcf,2-chromonecarboxylic acid,chromocarbe inn-french
IUPAC Name 4-oxochromene-2-carboxylic acid
InChI Key RVMGXWBCQGAWBR-UHFFFAOYSA-N
Molecular Formula C10H6O4