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 343 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

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

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, 98+%

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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	furan-2,5-dione
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

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

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

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

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

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

Maleic anhydride, 99%, pastilles

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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
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

Phthalic Anhydride 98.0+%, TCI America™

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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	1,3-dihydro-2-benzofuran-1,3-dione
InChI Key	LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula	C8H4O3

Ethylene Glycol Brassylate 95.0+%, TCI America™

CAS: 105-95-3 Molecular Formula: C15H26O4 Molecular Weight (g/mol): 270.37 MDL Number: MFCD00046977 InChI Key: XRHCAGNSDHCHFJ-UHFFFAOYSA-N Synonym: ethylene brassylate,astratone,musk t,emeressence 1150,ethylene undecane dicarboxylate,ethyl brassylate,tridecanedioic acid, cyclic ethylene ester,unii-9a87hc7rod,fema no. 3543,ccris 9097 PubChem CID: 61014 IUPAC Name: 1,4-dioxacycloheptadecane-5,17-dione SMILES: O=C1CCCCCCCCCCCC(=O)OCCO1

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Specifications

PubChem CID	61014
CAS	105-95-3
Molecular Weight (g/mol)	270.37
MDL Number	MFCD00046977
SMILES	O=C1CCCCCCCCCCCC(=O)OCCO1
Synonym	ethylene brassylate,astratone,musk t,emeressence 1150,ethylene undecane dicarboxylate,ethyl brassylate,tridecanedioic acid, cyclic ethylene ester,unii-9a87hc7rod,fema no. 3543,ccris 9097
IUPAC Name	1,4-dioxacycloheptadecane-5,17-dione
InChI Key	XRHCAGNSDHCHFJ-UHFFFAOYSA-N
Molecular Formula	C15H26O4

Bis(2-oxo-3-oxazolidinyl)phosphinic chloride, 97%

CAS: 68641-49-6 Molecular Formula: C6H8ClN2O5P Molecular Weight (g/mol): 254.563 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

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Specifications

PubChem CID	152842
CAS	68641-49-6
Molecular Weight (g/mol)	254.563
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

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

Homophthalic anhydride, 97+%

CAS: 703-59-3 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.144 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)	162.144
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

6-amino-1,3-benzoxazol-2(3h)-one, 95%, Thermo Scientific™

CAS: 22876-17-1 Molecular Formula: C7H6N2O2 Molecular Weight (g/mol): 150.137 MDL Number: MFCD00463899 InChI Key: STLPJYGZOIEDAJ-UHFFFAOYSA-N Synonym: 6-aminobenzo d oxazol-2 3h-one,6-amino-1,3-benzoxazol-2 3h-one,2 3h-benzoxazolone, 6-amino,6-amino-2-3h benzoxazolone,6-amino-3h-benzooxazol-2-one,6-amino-2,3-dihydro-1,3-benzoxazol-2-one,6-amino-2-benzoxazolone,6-amino-2-benzoxazolinone,6-amino-3-hydrobenzoxazol-2-one,6-amino-2-hydroxybenzoxazole PubChem CID: 826989 IUPAC Name: 6-amino-3H-1,3-benzoxazol-2-one SMILES: C1=CC2=C(C=C1N)OC(=O)N2

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Specifications

PubChem CID	826989
CAS	22876-17-1
Molecular Weight (g/mol)	150.137
MDL Number	MFCD00463899
SMILES	C1=CC2=C(C=C1N)OC(=O)N2
Synonym	6-aminobenzo d oxazol-2 3h-one,6-amino-1,3-benzoxazol-2 3h-one,2 3h-benzoxazolone, 6-amino,6-amino-2-3h benzoxazolone,6-amino-3h-benzooxazol-2-one,6-amino-2,3-dihydro-1,3-benzoxazol-2-one,6-amino-2-benzoxazolone,6-amino-2-benzoxazolinone,6-amino-3-hydrobenzoxazol-2-one,6-amino-2-hydroxybenzoxazole
IUPAC Name	6-amino-3H-1,3-benzoxazol-2-one
InChI Key	STLPJYGZOIEDAJ-UHFFFAOYSA-N
Molecular Formula	C7H6N2O2

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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

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

Ethylene Glycol Brassylate 95.0+%, 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™

Phthalic Anhydride 98.0+%, TCI America™

Ethylene Glycol Brassylate 95.0+%, TCI America™