Oxacyclic compounds

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

46 – 60 of 332 results

Homophthalic anhydride, 98%

CAS: 703-59-3 Molecular Formula: C₉H₆O₃ Molecular Weight (g/mol): 162.14 MDL Number: MFCD00006894 InChI Key: AKHSBAVQPIRVAG-UHFFFAOYSA-N Synonym: homophthalic anhydride,1,3-isochromandione,isochroman-1,3-dione,1h-2-benzopyran-1,3 4h-dione,homophthalic acid anhydride,4h-2-benzopyran-1,3-dione,1h-isochromene-1,3 4h-dione,3,4-dihydro-1h-2-benzopyran-1,3-dione,4h-benzo c pyran-1,3-dione,homophthalic anhydride 2-carboxyphenylacetic anhydride PubChem CID: 12801 IUPAC Name: 4H-isochromene-1,3-dione SMILES: C1C2=CC=CC=C2C(=O)OC1=O

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Specifications

PubChem CID	12801
CAS	703-59-3
Molecular Weight (g/mol)	162.14
MDL Number	MFCD00006894
SMILES	C1C2=CC=CC=C2C(=O)OC1=O
Synonym	homophthalic anhydride,1,3-isochromandione,isochroman-1,3-dione,1h-2-benzopyran-1,3 4h-dione,homophthalic acid anhydride,4h-2-benzopyran-1,3-dione,1h-isochromene-1,3 4h-dione,3,4-dihydro-1h-2-benzopyran-1,3-dione,4h-benzo c pyran-1,3-dione,homophthalic anhydride 2-carboxyphenylacetic anhydride
IUPAC Name	4H-isochromene-1,3-dione
InChI Key	AKHSBAVQPIRVAG-UHFFFAOYSA-N
Molecular Formula	C₉H₆O₃

Thermo Scientific Chemicals 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

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

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

Thermo Scientific Chemicals 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

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Specifications

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

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.

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4,6-Dimethyl-2-pyrone, 98%

CAS: 675-09-2 Molecular Formula: C₇H₈O₂ Molecular Weight (g/mol): 124.14 MDL Number: MFCD00075555 Synonym: 4,6-dimethyl-2-pyrone,4,6-dimethyl-2h-pyran-2-one,mesitene lactone,4,6-dimethylcoumalin,2h-pyran-2-one, 4,6-dimethyl,4,6-dimethyl-alpha-pyrone,4,6-dimethyl-pyran-2-one,2,4-dimethyl-alpha-pyrone,2,4-dimethyl-.alpha.-pyrone,4,6-dimethyl-.alpha.-pyrone

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Specifications

CAS	675-09-2
Molecular Weight (g/mol)	124.14
MDL Number	MFCD00075555
Synonym	4,6-dimethyl-2-pyrone,4,6-dimethyl-2h-pyran-2-one,mesitene lactone,4,6-dimethylcoumalin,2h-pyran-2-one, 4,6-dimethyl,4,6-dimethyl-alpha-pyrone,4,6-dimethyl-pyran-2-one,2,4-dimethyl-alpha-pyrone,2,4-dimethyl-.alpha.-pyrone,4,6-dimethyl-.alpha.-pyrone
Molecular Formula	C₇H₈O₂

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

Thermo Scientific Chemicals 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

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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

beta-Naphthoflavone, 99+%

CAS: 6051-87-2 Molecular Formula: C₁₉H₁₂O₂ Molecular Weight (g/mol): 272.29 MDL Number: MFCD00004986 InChI Key: OUGIDAPQYNCXRA-UHFFFAOYSA-N Synonym: beta-naphthoflavone,5,6-benzoflavone,beta-nf,3-phenyl-1h-naphtho 2,1-b pyran-1-one,3-phenyl-1h-benzo f chromen-1-one,1h-naphtho 2,1-b pyran-1-one, 3-phenyl,unii-1bt0256y8o,3-phenylbenzo f chromen-1-one,ccris 3262,.beta.-naphthoflavone PubChem CID: 2361 ChEBI: CHEBI:77013 IUPAC Name: 3-phenylbenzo[f]chromen-1-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=CC4=CC=CC=C43

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Specifications

PubChem CID	2361
CAS	6051-87-2
Molecular Weight (g/mol)	272.29
ChEBI	CHEBI:77013
MDL Number	MFCD00004986
SMILES	C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=CC4=CC=CC=C43
Synonym	beta-naphthoflavone,5,6-benzoflavone,beta-nf,3-phenyl-1h-naphtho 2,1-b pyran-1-one,3-phenyl-1h-benzo f chromen-1-one,1h-naphtho 2,1-b pyran-1-one, 3-phenyl,unii-1bt0256y8o,3-phenylbenzo f chromen-1-one,ccris 3262,.beta.-naphthoflavone
IUPAC Name	3-phenylbenzo[f]chromen-1-one
InChI Key	OUGIDAPQYNCXRA-UHFFFAOYSA-N
Molecular Formula	C₁₉H₁₂O₂

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

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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
InChI Key	LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula	C8H4O3

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

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Specifications

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

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

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Specifications

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

Pentadecanolide, 98%

CAS: 106-02-5 Molecular Formula: C15H28O2 Molecular Weight (g/mol): 240.387 MDL Number: MFCD00039667 InChI Key: FKUPPRZPSYCDRS-UHFFFAOYSA-N Synonym: cyclopentadecanolide,exaltolide,pentadecanolide,15-pentadecanolide,pentalide,thibetolide,pentadecan-15-olide,pentadecalactone,muskalactone,muskolactone PubChem CID: 235414 IUPAC Name: oxacyclohexadecan-2-one SMILES: C1CCCCCCCOC(=O)CCCCCC1

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PubChem CID	235414
CAS	106-02-5
Molecular Weight (g/mol)	240.387
MDL Number	MFCD00039667
SMILES	C1CCCCCCCOC(=O)CCCCCC1
Synonym	cyclopentadecanolide,exaltolide,pentadecanolide,15-pentadecanolide,pentalide,thibetolide,pentadecan-15-olide,pentadecalactone,muskalactone,muskolactone
IUPAC Name	oxacyclohexadecan-2-one
InChI Key	FKUPPRZPSYCDRS-UHFFFAOYSA-N
Molecular Formula	C15H28O2

Thermo Scientific Chemicals Benzo[b]furan-3-ylacetic acid, 97%, Thermo Scientific™

CAS: 64175-51-5 Molecular Formula: C10H8O3 Molecular Weight (g/mol): 176.171 InChI Key: QWMVFCMIUUHJDH-UHFFFAOYSA-N Synonym: 2-benzofuran-3-yl acetic acid,3-benzofuranacetic acid,benzo b furan-3-ylacetic acid,2-1-benzofuran-3-yl acetic acid,benzofuran-3-yl-acetic acid,benzofuran-3-acetic acid,1-benzofuran-3-ylacetic acid,2-3-benzofuranyl acetic acid,pubchem7012,benzofuran-3-ylacetic acid PubChem CID: 2762940 IUPAC Name: 2-(1-benzofuran-3-yl)acetic acid SMILES: C1=CC=C2C(=C1)C(=CO2)CC(=O)O

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Specifications

PubChem CID	2762940
CAS	64175-51-5
Molecular Weight (g/mol)	176.171
SMILES	C1=CC=C2C(=C1)C(=CO2)CC(=O)O
Synonym	2-benzofuran-3-yl acetic acid,3-benzofuranacetic acid,benzo b furan-3-ylacetic acid,2-1-benzofuran-3-yl acetic acid,benzofuran-3-yl-acetic acid,benzofuran-3-acetic acid,1-benzofuran-3-ylacetic acid,2-3-benzofuranyl acetic acid,pubchem7012,benzofuran-3-ylacetic acid
IUPAC Name	2-(1-benzofuran-3-yl)acetic acid
InChI Key	QWMVFCMIUUHJDH-UHFFFAOYSA-N
Molecular Formula	C10H8O3

3,4-Di-O-acetyl-L-arabinal, 97%, Thermo Scientific™

CAS: 3945-18-4 Molecular Formula: C9H12O5 Molecular Weight (g/mol): 200.19 MDL Number: MFCD04112729,MFCD08704080 InChI Key: OWKCFBYWQGPLSJ-BDAKNGLRSA-N Synonym: 3,4-di-o-acetyl-l-arabinal,3s,4s-3-acetyloxy-3,4-dihydro-2h-pyran-4-yl acetate,d-di-o-acetylarabinal,di-o-acetyl-d-arabinal,3,4-di-o-acetyl-d-ribal,3,4-dihydro-2h-pyran-3,4-diyl diacetate,1,2-dideoxy-d-erythro-pent-1-enopyranose diacetate,3s,4s-3,4-dihydro-2h-pyran-3,4-diyl diacetate,3s,4s-4-acetyloxy-3,4-dihydro-2h-pyran-3-yl acetate,1,5-anhydro-2-deoxy-d-erythro-pent-1-enitol 3,4-diacetate PubChem CID: 8030588 IUPAC Name: [(3R,4S)-4-acetyloxy-3,4-dihydro-2H-pyran-3-yl] acetate SMILES: CC(=O)O[C@H]1COC=C[C@H]1OC(C)=O

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Specifications

PubChem CID	8030588
CAS	3945-18-4
Molecular Weight (g/mol)	200.19
MDL Number	MFCD04112729,MFCD08704080
SMILES	CC(=O)O[C@H]1COC=C[C@H]1OC(C)=O
Synonym	3,4-di-o-acetyl-l-arabinal,3s,4s-3-acetyloxy-3,4-dihydro-2h-pyran-4-yl acetate,d-di-o-acetylarabinal,di-o-acetyl-d-arabinal,3,4-di-o-acetyl-d-ribal,3,4-dihydro-2h-pyran-3,4-diyl diacetate,1,2-dideoxy-d-erythro-pent-1-enopyranose diacetate,3s,4s-3,4-dihydro-2h-pyran-3,4-diyl diacetate,3s,4s-4-acetyloxy-3,4-dihydro-2h-pyran-3-yl acetate,1,5-anhydro-2-deoxy-d-erythro-pent-1-enitol 3,4-diacetate
IUPAC Name	[(3R,4S)-4-acetyloxy-3,4-dihydro-2H-pyran-3-yl] acetate
InChI Key	OWKCFBYWQGPLSJ-BDAKNGLRSA-N
Molecular Formula	C9H12O5

Oxacyclic compounds

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