Oxacyclic compounds

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

1 – 15 of 338 results

Maleic Anhydride 99.0+%, TCI America™

CAS: 108-31-6 Molecular Formula: C4H2O3 Molecular Weight (g/mol): 98.06 MDL Number: MFCD00005518 InChI Key: FPYJFEHAWHCUMM-UHFFFAOYSA-N Synonym: maleic anhydride,2,5-furandione,maleic acid anhydride,toxilic anhydride,dihydro-2,5-dioxofuran,cis-butenedioic anhydride,2,5-dihydrofuran-2,5-dione,polymaleic anhydride,maleinanhydrid,rcra waste number u147 PubChem CID: 7923 ChEBI: CHEBI:474859 IUPAC Name: 2,5-dihydrofuran-2,5-dione SMILES: O=C1OC(=O)C=C1

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Specifications

PubChem CID	7923
CAS	108-31-6
Molecular Weight (g/mol)	98.06
ChEBI	CHEBI:474859
MDL Number	MFCD00005518
SMILES	O=C1OC(=O)C=C1
Synonym	maleic anhydride,2,5-furandione,maleic acid anhydride,toxilic anhydride,dihydro-2,5-dioxofuran,cis-butenedioic anhydride,2,5-dihydrofuran-2,5-dione,polymaleic anhydride,maleinanhydrid,rcra waste number u147
IUPAC Name	2,5-dihydrofuran-2,5-dione
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

PubChem CID	7923
CAS	108-31-6
Molecular Weight (g/mol)	98.06
ChEBI	CHEBI:474859
MDL Number	MFCD00005518
SMILES	O=C1OC(=O)C=C1
Synonym	maleic anhydride,2,5-furandione,maleic acid anhydride,toxilic anhydride,dihydro-2,5-dioxofuran,cis-butenedioic anhydride,2,5-dihydrofuran-2,5-dione,polymaleic anhydride,maleinanhydrid,rcra waste number u147
IUPAC Name	furan-2,5-dione
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

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

Phthalic Anhydride, 99%

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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

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

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

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

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Specifications

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

Oxazole, 98+%

CAS: 288-42-6 Molecular Formula: C3H3NO Molecular Weight (g/mol): 69.063 MDL Number: MFCD00009751 InChI Key: ZCQWOFVYLHDMMC-UHFFFAOYSA-N Synonym: oxazole,unii-fjz20i1lps,fjz20i1lps,oxazol,1,3-oxazol,pubchem8626,oxazole 1g PubChem CID: 9255 ChEBI: CHEBI:35597 IUPAC Name: 1,3-oxazole SMILES: C1=COC=N1

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Specifications

PubChem CID	9255
CAS	288-42-6
Molecular Weight (g/mol)	69.063
ChEBI	CHEBI:35597
MDL Number	MFCD00009751
SMILES	C1=COC=N1
Synonym	oxazole,unii-fjz20i1lps,fjz20i1lps,oxazol,1,3-oxazol,pubchem8626,oxazole 1g
IUPAC Name	1,3-oxazole
InChI Key	ZCQWOFVYLHDMMC-UHFFFAOYSA-N
Molecular Formula	C3H3NO

Phthalic anhydride, ACS, 99.0-100.2%

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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-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

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Specifications

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

15-Pentadecanolactone 98.0+%, TCI America™

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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Specifications

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

4-Methylphthalic anhydride, 96%

CAS: 19438-61-0 Molecular Formula: C₉H₆O₃ Molecular Weight (g/mol): 162.14 MDL Number: MFCD00041856 InChI Key: ZOXBWJMCXHTKNU-UHFFFAOYSA-N Synonym: 4-methylphthalic anhydride,5-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 5-methyl,unii-2p2740fpck,phthalic anhydride, 4-methyl,dsstox_cid_7805,5-methyl-1,3-dihydro-2-benzofuran-1,3-dione,dsstox_rid_78575,dsstox_gsid_27805,4methylphthalic anhydride PubChem CID: 88069 IUPAC Name: 5-methyl-2-benzofuran-1,3-dione SMILES: CC1=CC2=C(C=C1)C(=O)OC2=O

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Specifications

PubChem CID	88069
CAS	19438-61-0
Molecular Weight (g/mol)	162.14
MDL Number	MFCD00041856
SMILES	CC1=CC2=C(C=C1)C(=O)OC2=O
Synonym	4-methylphthalic anhydride,5-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 5-methyl,unii-2p2740fpck,phthalic anhydride, 4-methyl,dsstox_cid_7805,5-methyl-1,3-dihydro-2-benzofuran-1,3-dione,dsstox_rid_78575,dsstox_gsid_27805,4methylphthalic anhydride
IUPAC Name	5-methyl-2-benzofuran-1,3-dione
InChI Key	ZOXBWJMCXHTKNU-UHFFFAOYSA-N
Molecular Formula	C₉H₆O₃

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

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Specifications

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

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

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

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Oxacyclic compounds

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Maleic Anhydride 99.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

15-Pentadecanolactone 98.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Maleic Anhydride 99.0+%, TCI America™

15-Pentadecanolactone 98.0+%, TCI America™