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 31 results

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

2,2-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

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

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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

2,3-Benzofuran, 99%

CAS: 271-89-6 Molecular Formula: C8H6O Molecular Weight (g/mol): 118.14 MDL Number: MFCD00005847 InChI Key: IANQTJSKSUMEQM-UHFFFAOYSA-N Synonym: benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene PubChem CID: 9223 ChEBI: CHEBI:35260 IUPAC Name: 1-benzofuran SMILES: O1C=CC2=CC=CC=C12

Pricing and Availability
Specifications

PubChem CID	9223
CAS	271-89-6
Molecular Weight (g/mol)	118.14
ChEBI	CHEBI:35260
MDL Number	MFCD00005847
SMILES	O1C=CC2=CC=CC=C12
Synonym	benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene
IUPAC Name	1-benzofuran
InChI Key	IANQTJSKSUMEQM-UHFFFAOYSA-N
Molecular Formula	C8H6O

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 and 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

Bis(neopentyl glycolato)diboron, 98%

CAS: 201733-56-4 Molecular Formula: C10H20B2O4 Molecular Weight (g/mol): 225.89 MDL Number: MFCD02093062 InChI Key: MDNDJMCSXOXBFZ-UHFFFAOYSA-N Synonym: bis neopentyl glycolato diboron,bis neopentylglycolato diboron,5,5,5',5'-tetramethyl-2,2'-bi 1,3,2-dioxaborinane,2-5,5-dimethyl-1,3,2-dioxaborinan-2-yl-5,5-dimethyl-1,3,2-dioxaborinane,5,5,5',5'-tetramethyl-2,2'-bi-1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 5,5,5',5'-tetramethyl,bis neopentyl glycolato diborane,bis 2,2-dimethyl-1,3-propanediolato diboron,5,5,5',5'-tetramethyl-2,2' bi 1,3,2 dioxaborinanyl PubChem CID: 2734316 IUPAC Name: 2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-5,5-dimethyl-1,3,2-dioxaborinane SMILES: CC1(C)COB(OC1)B1OCC(C)(C)CO1

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Specifications

PubChem CID	2734316
CAS	201733-56-4
Molecular Weight (g/mol)	225.89
MDL Number	MFCD02093062
SMILES	CC1(C)COB(OC1)B1OCC(C)(C)CO1
Synonym	bis neopentyl glycolato diboron,bis neopentylglycolato diboron,5,5,5',5'-tetramethyl-2,2'-bi 1,3,2-dioxaborinane,2-5,5-dimethyl-1,3,2-dioxaborinan-2-yl-5,5-dimethyl-1,3,2-dioxaborinane,5,5,5',5'-tetramethyl-2,2'-bi-1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 5,5,5',5'-tetramethyl,bis neopentyl glycolato diborane,bis 2,2-dimethyl-1,3-propanediolato diboron,5,5,5',5'-tetramethyl-2,2' bi 1,3,2 dioxaborinanyl
IUPAC Name	2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-5,5-dimethyl-1,3,2-dioxaborinane
InChI Key	MDNDJMCSXOXBFZ-UHFFFAOYSA-N
Molecular Formula	C10H20B2O4

4-(2-Furyl)benzoic acid, 97%, Thermo Scientific™

CAS: 35461-98-4 Molecular Formula: C11H8O3 Molecular Weight (g/mol): 188.18 MDL Number: MFCD04039073 InChI Key: FOJYVBSPOBUCMV-UHFFFAOYSA-N Synonym: 4-2-furyl benzoic acid,4-furan-2-yl benzoic acid,4-furan-2-yl-benzoic acid,2-4-carboxyphenyl furan,4-fur-2-ylbenzoic acid,p-2-furyl benzoic acid,4-2-furanyl benzoic acid PubChem CID: 5138791 IUPAC Name: 4-(furan-2-yl)benzoic acid SMILES: OC(=O)C1=CC=C(C=C1)C1=CC=CO1

Pricing and Availability
Specifications

PubChem CID	5138791
CAS	35461-98-4
Molecular Weight (g/mol)	188.18
MDL Number	MFCD04039073
SMILES	OC(=O)C1=CC=C(C=C1)C1=CC=CO1
Synonym	4-2-furyl benzoic acid,4-furan-2-yl benzoic acid,4-furan-2-yl-benzoic acid,2-4-carboxyphenyl furan,4-fur-2-ylbenzoic acid,p-2-furyl benzoic acid,4-2-furanyl benzoic acid
IUPAC Name	4-(furan-2-yl)benzoic acid
InChI Key	FOJYVBSPOBUCMV-UHFFFAOYSA-N
Molecular Formula	C11H8O3

Chloroxazone, 98%

CAS: 95-25-0 Molecular Formula: C₇H₄ClNO₂ Molecular Weight (g/mol): 169.57 MDL Number: MFCD00005717 InChI Key: TZFWDZFKRBELIQ-UHFFFAOYSA-N Synonym: chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin PubChem CID: 2733 ChEBI: CHEBI:3655 IUPAC Name: 5-chloro-3H-1,3-benzoxazol-2-one SMILES: C1=CC2=C(C=C1Cl)NC(=O)O2

Pricing and Availability
Specifications

PubChem CID	2733
CAS	95-25-0
Molecular Weight (g/mol)	169.57
ChEBI	CHEBI:3655
MDL Number	MFCD00005717
SMILES	C1=CC2=C(C=C1Cl)NC(=O)O2
Synonym	chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin
IUPAC Name	5-chloro-3H-1,3-benzoxazol-2-one
InChI Key	TZFWDZFKRBELIQ-UHFFFAOYSA-N
Molecular Formula	C₇H₄ClNO₂

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

CAS: 95124-68-8 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.185 MDL Number: MFCD06797475 InChI Key: DTKAUYQBZSOHRJ-UHFFFAOYSA-N Synonym: 4-5-methyl-1,2,4-oxadiazol-3-yl benzoic acid,3-4-carboxyphenyl-5-methyl-1,2,4-oxadiazole,4-5-methyl-1,2,4 oxadiazol-3-yl-benzoic acid,benzoic acid, 4-5-methyl-1,2,4-oxadiazol-3-yl,acmc-209xiw,4-5-methyl-1,2,4-oxadiazol-3-yl benzoicacid PubChem CID: 7127808 IUPAC Name: 4-(5-methyl-1,2,4-oxadiazol-3-yl)benzoic acid SMILES: CC1=NC(=NO1)C2=CC=C(C=C2)C(=O)O

Pricing and Availability
Specifications

PubChem CID	7127808
CAS	95124-68-8
Molecular Weight (g/mol)	204.185
MDL Number	MFCD06797475
SMILES	CC1=NC(=NO1)C2=CC=C(C=C2)C(=O)O
Synonym	4-5-methyl-1,2,4-oxadiazol-3-yl benzoic acid,3-4-carboxyphenyl-5-methyl-1,2,4-oxadiazole,4-5-methyl-1,2,4 oxadiazol-3-yl-benzoic acid,benzoic acid, 4-5-methyl-1,2,4-oxadiazol-3-yl,acmc-209xiw,4-5-methyl-1,2,4-oxadiazol-3-yl benzoicacid
IUPAC Name	4-(5-methyl-1,2,4-oxadiazol-3-yl)benzoic acid
InChI Key	DTKAUYQBZSOHRJ-UHFFFAOYSA-N
Molecular Formula	C10H8N2O3

6-Amino-1,3-dihydroisobenzofuran-1-one, 95%, Thermo Scientific™

CAS: 57319-65-0 Molecular Formula: C8H7NO2 Molecular Weight (g/mol): 149.149 InChI Key: ZIJZDNKZJZUROE-UHFFFAOYSA-N Synonym: 6-aminophthalide,6-aminoisobenzofuran-1 3h-one,6-amino-1,3-dihydroisobenzofuran-1-one,6-amino-2-benzofuran-1 3h-one,6-amino-3h-isobenzofuran-1-one,1 3h-isobenzofuranone, 6-amino,6-amino-1,3-dihydro-2-benzofuran-1-one,6-amino-1 3h-isobenzofuranone,6-amino-3-hydroisobenzofuran-1-one,6-aminophthalid PubChem CID: 93631 IUPAC Name: 6-amino-3H-2-benzofuran-1-one SMILES: C1C2=C(C=C(C=C2)N)C(=O)O1

Pricing and Availability
Specifications

PubChem CID	93631
CAS	57319-65-0
Molecular Weight (g/mol)	149.149
SMILES	C1C2=C(C=C(C=C2)N)C(=O)O1
Synonym	6-aminophthalide,6-aminoisobenzofuran-1 3h-one,6-amino-1,3-dihydroisobenzofuran-1-one,6-amino-2-benzofuran-1 3h-one,6-amino-3h-isobenzofuran-1-one,1 3h-isobenzofuranone, 6-amino,6-amino-1,3-dihydro-2-benzofuran-1-one,6-amino-1 3h-isobenzofuranone,6-amino-3-hydroisobenzofuran-1-one,6-aminophthalid
IUPAC Name	6-amino-3H-2-benzofuran-1-one
InChI Key	ZIJZDNKZJZUROE-UHFFFAOYSA-N
Molecular Formula	C8H7NO2

Ethyl 1-benzofuran-3-ylacetate, ≥97%, Thermo Scientific™

Pricing and Availability

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

Pricing and Availability
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

4,5-Dichlorophthalic anhydride, 98%

CAS: 942-06-3 Molecular Formula: C8H2Cl2O3 Molecular Weight (g/mol): 217.00 MDL Number: MFCD00075034 InChI Key: ULSOWUBMELTORB-UHFFFAOYSA-N Synonym: 4,5-dichlorophthalic anhydride,5,6-dichloroisobenzofuran-1,3-dione,4,5-dichlorophthalicanhydride,1,3-isobenzofurandione, 5,6-dichloro,5,6-dichloro-1,3-dihydro-2-benzofuran-1,3-dione,5,6-dichloro-1,3-dihydroisobenzofuran-1,3-dione,5,6-dichlor-2-benzofuran-1,3-dion,pubchem16761,acmc-209rqk,4,5-dichlorophalic anhydride PubChem CID: 70334 IUPAC Name: 5,6-dichloro-2-benzofuran-1,3-dione SMILES: ClC1=CC2=C(C=C1Cl)C(=O)OC2=O

Pricing and Availability
Specifications

PubChem CID	70334
CAS	942-06-3
Molecular Weight (g/mol)	217.00
MDL Number	MFCD00075034
SMILES	ClC1=CC2=C(C=C1Cl)C(=O)OC2=O
Synonym	4,5-dichlorophthalic anhydride,5,6-dichloroisobenzofuran-1,3-dione,4,5-dichlorophthalicanhydride,1,3-isobenzofurandione, 5,6-dichloro,5,6-dichloro-1,3-dihydro-2-benzofuran-1,3-dione,5,6-dichloro-1,3-dihydroisobenzofuran-1,3-dione,5,6-dichlor-2-benzofuran-1,3-dion,pubchem16761,acmc-209rqk,4,5-dichlorophalic anhydride
IUPAC Name	5,6-dichloro-2-benzofuran-1,3-dione
InChI Key	ULSOWUBMELTORB-UHFFFAOYSA-N
Molecular Formula	C8H2Cl2O3

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

Pricing and Availability
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

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

Pricing and Availability
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

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