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

Pricing & Availability
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

Pricing & Availability
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

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

CAS: 110-87-2 Molecular Formula: C5H8O Molecular Weight (g/mol): 84.118 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 & Availability
Specifications

PubChem CID	8080
CAS	110-87-2
Molecular Weight (g/mol)	84.118
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

Phthalic Anhydride, 99%

Pricing & Availability
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, 99%, pastilles

Pricing & Availability
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

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

Pricing & Availability
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

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

Pricing & Availability
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

Pricing & Availability
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%

Pricing & Availability
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

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 & 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

2-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid, 97%, Thermo Scientific™

CAS: 475105-77-2 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.185 MDL Number: MFCD08741426 InChI Key: JHLHKCWPDVKWNS-UHFFFAOYSA-N Synonym: 2-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoic acid,2-3-methyl-1,2,4-oxadiazol-5-yl,5-2-carboxyphenyl-3-methyl-1,2,4-oxadiazole,2-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,2-3-methyl-1,2,4 oxadiazol-5-yl benzoic acid,benzoic acid, 2-3-methyl-1,2,4-oxadiazol-5-yl PubChem CID: 23146305 IUPAC Name: 2-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid SMILES: CC1=NOC(=N1)C2=CC=CC=C2C(=O)O

Pricing & Availability
Specifications

PubChem CID	23146305
CAS	475105-77-2
Molecular Weight (g/mol)	204.185
MDL Number	MFCD08741426
SMILES	CC1=NOC(=N1)C2=CC=CC=C2C(=O)O
Synonym	2-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoic acid,2-3-methyl-1,2,4-oxadiazol-5-yl,5-2-carboxyphenyl-3-methyl-1,2,4-oxadiazole,2-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,2-3-methyl-1,2,4 oxadiazol-5-yl benzoic acid,benzoic acid, 2-3-methyl-1,2,4-oxadiazol-5-yl
IUPAC Name	2-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid
InChI Key	JHLHKCWPDVKWNS-UHFFFAOYSA-N
Molecular Formula	C10H8N2O3

3-(2-Furyl)benzoic acid, 97%, Thermo Scientific™

CAS: 35461-99-5 Molecular Formula: C11H8O3 Molecular Weight (g/mol): 188.182 MDL Number: MFCD02690979 InChI Key: RQVVFGRDMHDHNI-UHFFFAOYSA-N Synonym: 3-furan-2-yl benzoic acid,3-2-furyl benzoic acid,3-fur-2-ylbenzoic acid,3-furan-2-yl-benzoic acid,m-2-furyl benzoic acid,benzoic acid, 3-2-furanyl PubChem CID: 5037933 IUPAC Name: 3-(furan-2-yl)benzoic acid SMILES: C1=CC(=CC(=C1)C(=O)O)C2=CC=CO2

Pricing & Availability
Specifications

PubChem CID	5037933
CAS	35461-99-5
Molecular Weight (g/mol)	188.182
MDL Number	MFCD02690979
SMILES	C1=CC(=CC(=C1)C(=O)O)C2=CC=CO2
Synonym	3-furan-2-yl benzoic acid,3-2-furyl benzoic acid,3-fur-2-ylbenzoic acid,3-furan-2-yl-benzoic acid,m-2-furyl benzoic acid,benzoic acid, 3-2-furanyl
IUPAC Name	3-(furan-2-yl)benzoic acid
InChI Key	RQVVFGRDMHDHNI-UHFFFAOYSA-N
Molecular Formula	C11H8O3

N-BOC-3-(4-Cyanophenyl)oxaziridine, 98+%

CAS: 150884-56-3 Molecular Formula: C₁₃H₁₄N₂O₃ Molecular Weight (g/mol): 246.27 MDL Number: MFCD00800493 InChI Key: ACXPNVRTMHEHMQ-UHFFFAOYSA-N Synonym: n-boc-3-4-cyanophenyl oxaziridine,tert-butyl 3-4-cyanophenyl-1,2-oxaziridine-2-carboxylate,tert-butyl 3-4-cyanophenyl oxaziridine-2-carboxylate,2-oxaziridinecarboxylicacid, 3-4-cyanophenyl-, 1,1-dimethylethyl ester, 2r,3s-rel-9ci,acmc-20n62r,n-boc-3-4-cyanophenyl oxaziridine, 98+%,2-tert-butoxycarbonyl-3-4-cyanophenyl oxaziridine,n-tert-butoxycarbonyl-3-4-cyanophenyl-oxaziridine,3-4-cyano-phenyl-oxaziridine-2-carboxylic acid tert-butyl ester,3-4-cyano-phenyl oxaziridine-2-carboxylic acid tert-butyl ester PubChem CID: 2725038 IUPAC Name: tert-butyl 3-(4-cyanophenyl)oxaziridine-2-carboxylate SMILES: CC(C)(C)OC(=O)N1C(O1)C2=CC=C(C=C2)C#N

Pricing & Availability
Specifications

PubChem CID	2725038
CAS	150884-56-3
Molecular Weight (g/mol)	246.27
MDL Number	MFCD00800493
SMILES	CC(C)(C)OC(=O)N1C(O1)C2=CC=C(C=C2)C#N
Synonym	n-boc-3-4-cyanophenyl oxaziridine,tert-butyl 3-4-cyanophenyl-1,2-oxaziridine-2-carboxylate,tert-butyl 3-4-cyanophenyl oxaziridine-2-carboxylate,2-oxaziridinecarboxylicacid, 3-4-cyanophenyl-, 1,1-dimethylethyl ester, 2r,3s-rel-9ci,acmc-20n62r,n-boc-3-4-cyanophenyl oxaziridine, 98+%,2-tert-butoxycarbonyl-3-4-cyanophenyl oxaziridine,n-tert-butoxycarbonyl-3-4-cyanophenyl-oxaziridine,3-4-cyano-phenyl-oxaziridine-2-carboxylic acid tert-butyl ester,3-4-cyano-phenyl oxaziridine-2-carboxylic acid tert-butyl ester
IUPAC Name	tert-butyl 3-(4-cyanophenyl)oxaziridine-2-carboxylate
InChI Key	ACXPNVRTMHEHMQ-UHFFFAOYSA-N
Molecular Formula	C₁₃H₁₄N₂O₃

2,3-Pyrazinedicarboxylic anhydride, 97%

CAS: 4744-50-7 Molecular Formula: C6H2N2O3 Molecular Weight (g/mol): 150.09 MDL Number: MFCD00179418 InChI Key: AWJWCTOOIBYHON-UHFFFAOYSA-N Synonym: furo 3,4-b pyrazine-5,7-dione,2,3-pyrazinedicarboxylic anhydride,2,3-pyrazinecarboxylic anhydride,pyrazine-2,3-dicarboxylic anhydride,5h,7h-furo 3,4-b pyrazine-5,7-dione,furano 3,4-b pyrazine-5,7-dione,pubchem17535,2,3-pyrazinedicarboxylic anhydride treated bsa PubChem CID: 78482 IUPAC Name: 5H,7H-furo[3,4-b]pyrazine-5,7-dione SMILES: O=C1OC(=O)C2=NC=CN=C12

Pricing & Availability
Specifications

PubChem CID	78482
CAS	4744-50-7
Molecular Weight (g/mol)	150.09
MDL Number	MFCD00179418
SMILES	O=C1OC(=O)C2=NC=CN=C12
Synonym	furo 3,4-b pyrazine-5,7-dione,2,3-pyrazinedicarboxylic anhydride,2,3-pyrazinecarboxylic anhydride,pyrazine-2,3-dicarboxylic anhydride,5h,7h-furo 3,4-b pyrazine-5,7-dione,furano 3,4-b pyrazine-5,7-dione,pubchem17535,2,3-pyrazinedicarboxylic anhydride treated bsa
IUPAC Name	5H,7H-furo[3,4-b]pyrazine-5,7-dione
InChI Key	AWJWCTOOIBYHON-UHFFFAOYSA-N
Molecular Formula	C6H2N2O3

Welcome to fishersci.com

Oxacyclic compounds

Filtered Search Results

Narrow Results

Maleic Anhydride 99.0+%, 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™