accessibility menu, dialog, popup

UserName

Oxacyclic compounds

Organic heterocyclic compounds that contain one or more oxygen atoms either within the ring's structure or linked to the ring.

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

special offers

  • (5)

brands

  • (26)
  • (41)
  • (10)

special programs

  • (2)
Keyword Search:
1 – 15 of 31 results
1

Phthalic anhydride, ACS, 99.0-100.2%

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 IUPAC Name: 2-benzofuran-1,3-dione 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
IUPAC Name 2-benzofuran-1,3-dione
InChI Key LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula C8H4O3
2
Promotions Available

9-Hydroxyxanthene, 97+%

CAS: 90-46-0 Molecular Formula: C13H10O2 Molecular Weight (g/mol): 198.22 MDL Number: MFCD00005057 InChI Key: JFRMYMMIJXLMBB-UHFFFAOYSA-N Synonym: 9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol PubChem CID: 72861 IUPAC Name: 9H-xanthen-9-ol SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O

EDGE
PubChem CID 72861
CAS 90-46-0
Molecular Weight (g/mol) 198.22
MDL Number MFCD00005057
SMILES C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O
Synonym 9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol
IUPAC Name 9H-xanthen-9-ol
InChI Key JFRMYMMIJXLMBB-UHFFFAOYSA-N
Molecular Formula C13H10O2
3

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

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
4

Chromone-2-carboxylic acid, 97%

CAS: 4940-39-0 Molecular Formula: C10H6O4 Molecular Weight (g/mol): 190.154 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) 190.154
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
5

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

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
6

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
7

5-(2-thienyl)-1,3-oxazole, Thermo Scientific™

CAS: 70380-70-0 Molecular Formula: C7H5NOS Molecular Weight (g/mol): 151.183 InChI Key: VGBKCFRTMPSJLX-UHFFFAOYSA-N PubChem CID: 2797208 IUPAC Name: 5-thiophen-2-yl-1,3-oxazole SMILES: C1=CSC(=C1)C2=CN=CO2

PubChem CID 2797208
CAS 70380-70-0
Molecular Weight (g/mol) 151.183
SMILES C1=CSC(=C1)C2=CN=CO2
IUPAC Name 5-thiophen-2-yl-1,3-oxazole
InChI Key VGBKCFRTMPSJLX-UHFFFAOYSA-N
Molecular Formula C7H5NOS
8

Ethyl 3-(2-furyl)propionate, 98%

CAS: 10031-90-0 Molecular Formula: C9H12O3 Molecular Weight (g/mol): 168.192 MDL Number: MFCD00036496 InChI Key: OWIWZQQFSTZZIG-UHFFFAOYSA-N Synonym: ethyl 3-2-furyl propionate,ethyl 2-furanpropionate,2-furanpropanoic acid, ethyl ester,ethyl 3-2-furyl propanoate,ethyl furfhydracrylate,ethyl furfurylacetate,ethyl 3-furan-2-yl propanoate,2-furanpropionic acid, ethyl ester,ethyl 2-furanpropanoate,ethyl furan-2-propionate PubChem CID: 61450 IUPAC Name: ethyl 3-(furan-2-yl)propanoate SMILES: CCOC(=O)CCC1=CC=CO1

PubChem CID 61450
CAS 10031-90-0
Molecular Weight (g/mol) 168.192
MDL Number MFCD00036496
SMILES CCOC(=O)CCC1=CC=CO1
Synonym ethyl 3-2-furyl propionate,ethyl 2-furanpropionate,2-furanpropanoic acid, ethyl ester,ethyl 3-2-furyl propanoate,ethyl furfhydracrylate,ethyl furfurylacetate,ethyl 3-furan-2-yl propanoate,2-furanpropionic acid, ethyl ester,ethyl 2-furanpropanoate,ethyl furan-2-propionate
IUPAC Name ethyl 3-(furan-2-yl)propanoate
InChI Key OWIWZQQFSTZZIG-UHFFFAOYSA-N
Molecular Formula C9H12O3
9

Xanthydrol, 98+%

CAS: 90-46-0 Molecular Formula: C13H10O2 Molecular Weight (g/mol): 198.221 MDL Number: MFCD00005057 InChI Key: JFRMYMMIJXLMBB-UHFFFAOYSA-N Synonym: 9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol PubChem CID: 72861 IUPAC Name: 9H-xanthen-9-ol SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O

PubChem CID 72861
CAS 90-46-0
Molecular Weight (g/mol) 198.221
MDL Number MFCD00005057
SMILES C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O
Synonym 9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol
IUPAC Name 9H-xanthen-9-ol
InChI Key JFRMYMMIJXLMBB-UHFFFAOYSA-N
Molecular Formula C13H10O2
10

Phthalide, 98+%

CAS: 87-41-2 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 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
Molecular Weight (g/mol) 134.134
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
Molecular Formula C8H6O2
11

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
12

2-Coumaranone, 97%

CAS: 553-86-6 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 MDL Number: MFCD00005856 InChI Key: ACZGCWSMSTYWDQ-UHFFFAOYSA-N Synonym: 2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie PubChem CID: 68382 IUPAC Name: 3H-1-benzofuran-2-one SMILES: C1C2=CC=CC=C2OC1=O

PubChem CID 68382
CAS 553-86-6
Molecular Weight (g/mol) 134.134
MDL Number MFCD00005856
SMILES C1C2=CC=CC=C2OC1=O
Synonym 2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie
IUPAC Name 3H-1-benzofuran-2-one
InChI Key ACZGCWSMSTYWDQ-UHFFFAOYSA-N
Molecular Formula C8H6O2
13

2-Aminooxazole, 97%

CAS: 4570-45-0 Molecular Formula: C3H4N2O Molecular Weight (g/mol): 84.08 MDL Number: MFCD07364485 InChI Key: ACTKAGSPIFDCMF-UHFFFAOYSA-N Synonym: oxazol-2-amine,2-aminooxazole,oxazole-2-amine,2-amino-oxazole,2-oxazolamine,2-amino-1,3-oxazole,oxazol-2-ylamine,2-aminoxazole,1,3-oxazol-2-ylamine,1,3-oxazole-2-ylamine PubChem CID: 558521 IUPAC Name: 1,3-oxazol-2-amine SMILES: NC1=NC=CO1

PubChem CID 558521
CAS 4570-45-0
Molecular Weight (g/mol) 84.08
MDL Number MFCD07364485
SMILES NC1=NC=CO1
Synonym oxazol-2-amine,2-aminooxazole,oxazole-2-amine,2-amino-oxazole,2-oxazolamine,2-amino-1,3-oxazole,oxazol-2-ylamine,2-aminoxazole,1,3-oxazol-2-ylamine,1,3-oxazole-2-ylamine
IUPAC Name 1,3-oxazol-2-amine
InChI Key ACTKAGSPIFDCMF-UHFFFAOYSA-N
Molecular Formula C3H4N2O
14

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

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
15

Ethyl isodehydroacetate, 95%, Thermo Scientific™

CAS: 3385-34-0 Molecular Formula: C10H12O4 Molecular Weight (g/mol): 196.20 MDL Number: MFCD00006643 InChI Key: FBPWNVQUVXSXKS-UHFFFAOYSA-N Synonym: ethyl isodehydroacetate,ethyl 4,6-dimethyl-2-oxo-2h-pyran-5-carboxylate,ethyl isodehydracetate,5-carbethoxy-4,6-dimethyl-2-pyrone,2h-pyran-5-carboxylic acid, 4,6-dimethyl-2-oxo-, ethyl ester,ethyl 4,6-dimethyl-5-coumalate,2,4-dimethyl-6-oxo-6h-pyran-3-carboxylic acid ethyl ester,ethylisodehydroacetate,ethyl 4,6-dimethyl-2-oxopyran-5-carboxylate,acmc-20am57 PubChem CID: 76918 IUPAC Name: ethyl 2,4-dimethyl-6-oxopyran-3-carboxylate SMILES: CCOC(=O)C1=C(C)OC(=O)C=C1C

PubChem CID 76918
CAS 3385-34-0
Molecular Weight (g/mol) 196.20
MDL Number MFCD00006643
SMILES CCOC(=O)C1=C(C)OC(=O)C=C1C
Synonym ethyl isodehydroacetate,ethyl 4,6-dimethyl-2-oxo-2h-pyran-5-carboxylate,ethyl isodehydracetate,5-carbethoxy-4,6-dimethyl-2-pyrone,2h-pyran-5-carboxylic acid, 4,6-dimethyl-2-oxo-, ethyl ester,ethyl 4,6-dimethyl-5-coumalate,2,4-dimethyl-6-oxo-6h-pyran-3-carboxylic acid ethyl ester,ethylisodehydroacetate,ethyl 4,6-dimethyl-2-oxopyran-5-carboxylate,acmc-20am57
IUPAC Name ethyl 2,4-dimethyl-6-oxopyran-3-carboxylate
InChI Key FBPWNVQUVXSXKS-UHFFFAOYSA-N
Molecular Formula C10H12O4