Oxacyclic compounds

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

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16 – 30 of 335 results

Chromone-3-carboxylic acid, 98%

CAS: 39079-62-4 Molecular Formula: C10H6O4 Molecular Weight (g/mol): 190.154 MDL Number: MFCD00017338 InChI Key: PCIITXGDSHXTSN-UHFFFAOYSA-N Synonym: chromone-3-carboxylic acid,4-oxo-4h-chromene-3-carboxylic acid,4-oxo-4h-1-benzopyran-3-carboxylic acid,maybridge1_005842,3-carboxychromone,d04tgn,acmc-1ad65,4-oxo-chromene-3-carboxylic acid,4h-chromen-4-one-3-carboxylic acid PubChem CID: 181620 IUPAC Name: 4-oxochromene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=O)C(=CO2)C(=O)O

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PubChem CID	181620
CAS	39079-62-4
Molecular Weight (g/mol)	190.154
MDL Number	MFCD00017338
SMILES	C1=CC=C2C(=C1)C(=O)C(=CO2)C(=O)O
Synonym	chromone-3-carboxylic acid,4-oxo-4h-chromene-3-carboxylic acid,4-oxo-4h-1-benzopyran-3-carboxylic acid,maybridge1_005842,3-carboxychromone,d04tgn,acmc-1ad65,4-oxo-chromene-3-carboxylic acid,4h-chromen-4-one-3-carboxylic acid
IUPAC Name	4-oxochromene-3-carboxylic acid
InChI Key	PCIITXGDSHXTSN-UHFFFAOYSA-N
Molecular Formula	C10H6O4

4-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid, 95%, Thermo Scientific™

CAS: 851048-56-1 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.19 MDL Number: MFCD08741427 InChI Key: KXXLPIJOPGBFTA-UHFFFAOYSA-N Synonym: 4-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoicacid, 4-3-methyl-1,2,4-oxadiazol-5-yl,benzoic acid, 4-3-methyl-1,2,4-oxadiazol-5-yl,methyloxadiazolylbenzoicacid,4-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,4-3-methyl-1,2,4-oxadiazol-5-yl-benzoic acid PubChem CID: 22110111 IUPAC Name: 4-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid SMILES: CC1=NOC(=N1)C1=CC=C(C=C1)C(O)=O

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PubChem CID	22110111
CAS	851048-56-1
Molecular Weight (g/mol)	204.19
MDL Number	MFCD08741427
SMILES	CC1=NOC(=N1)C1=CC=C(C=C1)C(O)=O
Synonym	4-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoicacid, 4-3-methyl-1,2,4-oxadiazol-5-yl,benzoic acid, 4-3-methyl-1,2,4-oxadiazol-5-yl,methyloxadiazolylbenzoicacid,4-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,4-3-methyl-1,2,4-oxadiazol-5-yl-benzoic acid
IUPAC Name	4-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid
InChI Key	KXXLPIJOPGBFTA-UHFFFAOYSA-N
Molecular Formula	C10H8N2O3

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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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

Flavone, 99+%

CAS: 525-82-6 Molecular Formula: C₁₅H₁₀O₂ Molecular Weight (g/mol): 222.24 InChI Key: VHBFFQKBGNRLFZ-UHFFFAOYSA-N Synonym: flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril PubChem CID: 10680 ChEBI: CHEBI:42491 IUPAC Name: 2-phenylchromen-4-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2

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PubChem CID	10680
CAS	525-82-6
Molecular Weight (g/mol)	222.24
ChEBI	CHEBI:42491
SMILES	C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2
Synonym	flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril
IUPAC Name	2-phenylchromen-4-one
InChI Key	VHBFFQKBGNRLFZ-UHFFFAOYSA-N
Molecular Formula	C₁₅H₁₀O₂

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

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

CAS: 68641-49-6 Molecular Formula: C₆H₈ClN₂O₅P Molecular Weight (g/mol): 254.57 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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PubChem CID	152842
CAS	68641-49-6
Molecular Weight (g/mol)	254.57
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

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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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

Oxazole-5-carboxylic acid, 98+%

CAS: 118994-90-4 Molecular Formula: C4H3NO3 Molecular Weight (g/mol): 113.072 MDL Number: MFCD04114931 InChI Key: QCGMEWVZBGQOFN-UHFFFAOYSA-N Synonym: oxazole-5-carboxylic acid,5-oxazolecarboxylic acid,5-oxazolecarboxylicacid,5-carboxy-1,3-oxazole,oxazole-5-carboxylicacid,5-carboxyoxazole,acmc-209a0v,ksc173g8b,1,3-oxazole-5-carboxylic acid PubChem CID: 16340557 IUPAC Name: 1,3-oxazole-5-carboxylic acid SMILES: C1=C(OC=N1)C(=O)O

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PubChem CID	16340557
CAS	118994-90-4
Molecular Weight (g/mol)	113.072
MDL Number	MFCD04114931
SMILES	C1=C(OC=N1)C(=O)O
Synonym	oxazole-5-carboxylic acid,5-oxazolecarboxylic acid,5-oxazolecarboxylicacid,5-carboxy-1,3-oxazole,oxazole-5-carboxylicacid,5-carboxyoxazole,acmc-209a0v,ksc173g8b,1,3-oxazole-5-carboxylic acid
IUPAC Name	1,3-oxazole-5-carboxylic acid
InChI Key	QCGMEWVZBGQOFN-UHFFFAOYSA-N
Molecular Formula	C4H3NO3

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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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

2-Coumaranone, 97%

CAS: 553-86-6 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 MDL Number: MFCD00005856 InChI Key: ACZGCWSMSTYWDQ-UHFFFAOYSA-N Synonym: 2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie PubChem CID: 68382 IUPAC Name: 3H-1-benzofuran-2-one SMILES: C1C2=CC=CC=C2OC1=O

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Specifications

PubChem CID	68382
CAS	553-86-6
Molecular Weight (g/mol)	134.134
MDL Number	MFCD00005856
SMILES	C1C2=CC=CC=C2OC1=O
Synonym	2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie
IUPAC Name	3H-1-benzofuran-2-one
InChI Key	ACZGCWSMSTYWDQ-UHFFFAOYSA-N
Molecular Formula	C8H6O2

5-(2-Pyridyl)-1,3-oxazole, 97%

CAS: 70380-73-3 Molecular Formula: C8H6N2O Molecular Weight (g/mol): 146.149 MDL Number: MFCD00085160 InChI Key: LUMKXMDGONYZHO-UHFFFAOYSA-N PubChem CID: 737194 IUPAC Name: 5-pyridin-2-yl-1,3-oxazole SMILES: C1=CC=NC(=C1)C2=CN=CO2

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Specifications

PubChem CID	737194
CAS	70380-73-3
Molecular Weight (g/mol)	146.149
MDL Number	MFCD00085160
SMILES	C1=CC=NC(=C1)C2=CN=CO2
IUPAC Name	5-pyridin-2-yl-1,3-oxazole
InChI Key	LUMKXMDGONYZHO-UHFFFAOYSA-N
Molecular Formula	C8H6N2O

Ethyl 3-(2-furyl)-1-methyl-1H-pyrazole-5-carboxylate, 97%, Thermo Scientific™

CAS: 104295-62-7 Molecular Formula: C11H12N2O3 Molecular Weight (g/mol): 220.228 MDL Number: MFCD08271951 InChI Key: RMIOHJSPVQALON-UHFFFAOYSA-N Synonym: ethyl 3-2-furyl-1-methyl-1h-pyrazole-5-carboxylate,ethyl 5-furan-2-yl-2-methylpyrazole-3-carboxylate,5-ethoxycarbonyl-3-2-furyl-1-methylpyrazole,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl-, ethyl ester,acmc-1bsv1,ethyl 3-2-furyl-1-methylpyrazole-5-carboxylate,ethyl 3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylate,1-methyl-3-2-furyl-1h-pyrazole-5-carboxylic acid ethyl ester,1h-pyrazole-5-carboxylicacid,3-2-furanyl-1-methyl-,ethyl ester PubChem CID: 7537645 IUPAC Name: ethyl 5-(furan-2-yl)-2-methylpyrazole-3-carboxylate SMILES: CCOC(=O)C1=CC(=NN1C)C2=CC=CO2

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PubChem CID	7537645
CAS	104295-62-7
Molecular Weight (g/mol)	220.228
MDL Number	MFCD08271951
SMILES	CCOC(=O)C1=CC(=NN1C)C2=CC=CO2
Synonym	ethyl 3-2-furyl-1-methyl-1h-pyrazole-5-carboxylate,ethyl 5-furan-2-yl-2-methylpyrazole-3-carboxylate,5-ethoxycarbonyl-3-2-furyl-1-methylpyrazole,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl-, ethyl ester,acmc-1bsv1,ethyl 3-2-furyl-1-methylpyrazole-5-carboxylate,ethyl 3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylate,1-methyl-3-2-furyl-1h-pyrazole-5-carboxylic acid ethyl ester,1h-pyrazole-5-carboxylicacid,3-2-furanyl-1-methyl-,ethyl ester
IUPAC Name	ethyl 5-(furan-2-yl)-2-methylpyrazole-3-carboxylate
InChI Key	RMIOHJSPVQALON-UHFFFAOYSA-N
Molecular Formula	C11H12N2O3

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

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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

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

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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

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

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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

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