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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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

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Specifications

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-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

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Specifications

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

5-Methyl-3-phenyl-1,2,4-oxadiazole, 97%

CAS: 1198-98-7 Molecular Formula: C9H8N2O Molecular Weight (g/mol): 160.18 MDL Number: MFCD00085133 InChI Key: VRRLZUXQTZOCKJ-UHFFFAOYSA-N Synonym: phenylmethyloxadiazole,5-methyl-3-phenyl-1,2,4-oxadiazol,1,2,4-oxadiazole, 5-methyl-3-phenyl,1,4-oxadiazole, 5-methyl-3-phenyl,3-phenyl-5-methyl-1,2,4-oxadiazole,5-methyl-3-phenyl-1,2,4 oxadiazole,1,2,4-oxadiazole, 5-methyl-3-phenyl-8ci 9ci PubChem CID: 98806 IUPAC Name: 5-methyl-3-phenyl-1,2,4-oxadiazole SMILES: CC1=NC(=NO1)C1=CC=CC=C1

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Specifications

PubChem CID	98806
CAS	1198-98-7
Molecular Weight (g/mol)	160.18
MDL Number	MFCD00085133
SMILES	CC1=NC(=NO1)C1=CC=CC=C1
Synonym	phenylmethyloxadiazole,5-methyl-3-phenyl-1,2,4-oxadiazol,1,2,4-oxadiazole, 5-methyl-3-phenyl,1,4-oxadiazole, 5-methyl-3-phenyl,3-phenyl-5-methyl-1,2,4-oxadiazole,5-methyl-3-phenyl-1,2,4 oxadiazole,1,2,4-oxadiazole, 5-methyl-3-phenyl-8ci 9ci
IUPAC Name	5-methyl-3-phenyl-1,2,4-oxadiazole
InChI Key	VRRLZUXQTZOCKJ-UHFFFAOYSA-N
Molecular Formula	C9H8N2O

Ethyl oxazole-5-carboxylate, 98%

CAS: 118994-89-1 Molecular Formula: C6H7NO3 Molecular Weight (g/mol): 141.126 MDL Number: MFCD04114930 InChI Key: KRMORCCAHXFIHF-UHFFFAOYSA-N Synonym: ethyl oxazole-5-carboxylate,5-oxazolecarboxylic acid, ethyl ester,5-oxazolecarboxylicacid, ethyl ester,oxazole-5-carboxylic acid ethyl ester,ethyloxazole-5-carboxylate,5-ethoxycarbonyloxazole,acmc-1c1iz,ksc510s9l,ethyl 5-oxazolecarboxylate,5-ethoxycarbonyl-1,3-oxazole PubChem CID: 10964603 IUPAC Name: ethyl 1,3-oxazole-5-carboxylate SMILES: CCOC(=O)C1=CN=CO1

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Specifications

PubChem CID	10964603
CAS	118994-89-1
Molecular Weight (g/mol)	141.126
MDL Number	MFCD04114930
SMILES	CCOC(=O)C1=CN=CO1
Synonym	ethyl oxazole-5-carboxylate,5-oxazolecarboxylic acid, ethyl ester,5-oxazolecarboxylicacid, ethyl ester,oxazole-5-carboxylic acid ethyl ester,ethyloxazole-5-carboxylate,5-ethoxycarbonyloxazole,acmc-1c1iz,ksc510s9l,ethyl 5-oxazolecarboxylate,5-ethoxycarbonyl-1,3-oxazole
IUPAC Name	ethyl 1,3-oxazole-5-carboxylate
InChI Key	KRMORCCAHXFIHF-UHFFFAOYSA-N
Molecular Formula	C6H7NO3

2,2-Dimethyl-1,3-dioxolane, 98+%

CAS: 2916-31-6 Molecular Formula: C5H10O2 Molecular Weight (g/mol): 102.13 MDL Number: MFCD00014106 InChI Key: SIJBDWPVNAYVGY-UHFFFAOYSA-N PubChem CID: 76209 IUPAC Name: 2,2-dimethyl-1,3-dioxolane SMILES: CC1(C)OCCO1

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Specifications

PubChem CID	76209
CAS	2916-31-6
Molecular Weight (g/mol)	102.13
MDL Number	MFCD00014106
SMILES	CC1(C)OCCO1
IUPAC Name	2,2-dimethyl-1,3-dioxolane
InChI Key	SIJBDWPVNAYVGY-UHFFFAOYSA-N
Molecular Formula	C5H10O2

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

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Specifications

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

Flavone, 99+%

CAS: 525-82-6 Molecular Formula: C₁₅H₁₀O₂ Molecular Weight (g/mol): 222.24 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)	222.24
ChEBI	CHEBI:42491
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

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

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

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Specifications

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

5-Aminophthalide, 97%, Thermo Scientific Chemicals

CAS: 65399-05-5 Molecular Formula: C8H7NO2 Molecular Weight (g/mol): 149.149 MDL Number: MFCD00778315 InChI Key: ISMUWQMUWFPFBZ-UHFFFAOYSA-N Synonym: 5-aminophthalide,5-aminoisobenzofuran-1 3h-one,5-amino-3h-isobenzofuran-1-one,5-amino-2-benzofuran-1 3h-one,1 3h-isobenzofuranone, 5-amino,5-amino-1 3h-isobenzofuranone,5-amino-1,3-dihydro-2-benzofuran-1-one,5-amino-3-hydroisobenzofuran-1-one,5-aminophthliade,5-amino-phthalide PubChem CID: 720669 IUPAC Name: 5-amino-3H-2-benzofuran-1-one SMILES: C1C2=C(C=CC(=C2)N)C(=O)O1

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Specifications

PubChem CID	720669
CAS	65399-05-5
Molecular Weight (g/mol)	149.149
MDL Number	MFCD00778315
SMILES	C1C2=C(C=CC(=C2)N)C(=O)O1
Synonym	5-aminophthalide,5-aminoisobenzofuran-1 3h-one,5-amino-3h-isobenzofuran-1-one,5-amino-2-benzofuran-1 3h-one,1 3h-isobenzofuranone, 5-amino,5-amino-1 3h-isobenzofuranone,5-amino-1,3-dihydro-2-benzofuran-1-one,5-amino-3-hydroisobenzofuran-1-one,5-aminophthliade,5-amino-phthalide
IUPAC Name	5-amino-3H-2-benzofuran-1-one
InChI Key	ISMUWQMUWFPFBZ-UHFFFAOYSA-N
Molecular Formula	C8H7NO2

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

Glycol sulfite, 98%

CAS: 3741-38-6 Molecular Formula: C2H4O3S Molecular Weight (g/mol): 108.11 MDL Number: MFCD00005354 InChI Key: WDXYVJKNSMILOQ-UHFFFAOYSA-N Synonym: ethylene sulfite,glycol sulfite,1,3,2-dioxathiolane, 2-oxide,glycolsulfite,1,2-ethylene sulfite,cyclic ethylene sulfite,ethylene glycol cyclic sulfite,ethylene glycol, cyclic sulfite,ethylene sulphite,sulfurous acid, cyclic ester with ethylene glycol PubChem CID: 77342 IUPAC Name: 1,3,2-dioxathiolane 2-oxide SMILES: O=S1OCCO1

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Specifications

PubChem CID	77342
CAS	3741-38-6
Molecular Weight (g/mol)	108.11
MDL Number	MFCD00005354
SMILES	O=S1OCCO1
Synonym	ethylene sulfite,glycol sulfite,1,3,2-dioxathiolane, 2-oxide,glycolsulfite,1,2-ethylene sulfite,cyclic ethylene sulfite,ethylene glycol cyclic sulfite,ethylene glycol, cyclic sulfite,ethylene sulphite,sulfurous acid, cyclic ester with ethylene glycol
IUPAC Name	1,3,2-dioxathiolane 2-oxide
InChI Key	WDXYVJKNSMILOQ-UHFFFAOYSA-N
Molecular Formula	C2H4O3S

3,4-Dihydro-2H-pyran, 99%

CAS: 110-87-2 Molecular Formula: C₅H₈O Molecular Weight (g/mol): 84.12 MDL Number: MFCD00006558 InChI Key: BUDQDWGNQVEFAC-UHFFFAOYSA-N Synonym: dihydropyran,3,4-dihydropyran,2,3-dihydropyran,2h-3,4-dihydropyran,2,3-dihydro-4h-pyran,dihydro-2h-pyran,2h-pyran, dihydro,2h-pyran, 3,4-dihydro,5,6-dihydro-4h-pyran,dihydropyrane PubChem CID: 8080 IUPAC Name: 3,4-dihydro-2H-pyran SMILES: C1CC=COC1

Pricing and Availability
Specifications

PubChem CID	8080
CAS	110-87-2
Molecular Weight (g/mol)	84.12
MDL Number	MFCD00006558
SMILES	C1CC=COC1
Synonym	dihydropyran,3,4-dihydropyran,2,3-dihydropyran,2h-3,4-dihydropyran,2,3-dihydro-4h-pyran,dihydro-2h-pyran,2h-pyran, dihydro,2h-pyran, 3,4-dihydro,5,6-dihydro-4h-pyran,dihydropyrane
IUPAC Name	3,4-dihydro-2H-pyran
InChI Key	BUDQDWGNQVEFAC-UHFFFAOYSA-N
Molecular Formula	C₅H₈O

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

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Specifications

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

alpha-Naphthoflavone, 97%

CAS: 604-59-1 Molecular Formula: C₁₉H₁₂O₂ Molecular Weight (g/mol): 272.29 MDL Number: MFCD00004985 InChI Key: VFMMPHCGEFXGIP-UHFFFAOYSA-N Synonym: alpha-naphthoflavone,7,8-benzoflavone,2-phenyl-4h-benzo h chromen-4-one,alpha-naphthylflavone,2-phenylbenzo h chromen-4-one,benzo h flavone,4h-naphtho 1,2-b pyran-4-one, 2-phenyl,.alpha.-naphthoflavone,2-phenyl-benzo h chromen-4-one,2-phenyl-4h-naphtho 1,2-b pyran-4-one PubChem CID: 11790 ChEBI: CHEBI:76995 IUPAC Name: 2-phenylbenzo[h]chromen-4-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C4=CC=CC=C4C=C3

Pricing and Availability
Specifications

PubChem CID	11790
CAS	604-59-1
Molecular Weight (g/mol)	272.29
ChEBI	CHEBI:76995
MDL Number	MFCD00004985
SMILES	C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C4=CC=CC=C4C=C3
Synonym	alpha-naphthoflavone,7,8-benzoflavone,2-phenyl-4h-benzo h chromen-4-one,alpha-naphthylflavone,2-phenylbenzo h chromen-4-one,benzo h flavone,4h-naphtho 1,2-b pyran-4-one, 2-phenyl,.alpha.-naphthoflavone,2-phenyl-benzo h chromen-4-one,2-phenyl-4h-naphtho 1,2-b pyran-4-one
IUPAC Name	2-phenylbenzo[h]chromen-4-one
InChI Key	VFMMPHCGEFXGIP-UHFFFAOYSA-N
Molecular Formula	C₁₉H₁₂O₂

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