Vinylogous acids

Organic compounds that contain one or more hydroxyl groups indirectly attached to a carbonyl group via an intervening vinyl functional group (-C=C-; also known as carbon - carbon double bond).

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1 – 15 of 163 results

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4-Ethoxymethylene-2-phenyloxazolin-5-one, 98+%

CAS: 15646-46-5 Molecular Formula: C12H11NO3 Molecular Weight (g/mol): 217.224 MDL Number: MFCD00003204 InChI Key: SJHPCNCNNSSLPL-NTMALXAHSA-N Synonym: oxazolone,oxazolone sensitizing agent,5 4h-oxazolone, 4-ethoxymethylene-2-phenyl,unii-78il0j7n72,4-ethoxymethylene-2-phenyl-2-oxazolin-5-one,4-ethoxymethylene-2-phenyloxazolin-5-one,4-ethoxymethylene-2-phenyl-2-oxazoline-5-one,4z-4-ethoxymethylidene-2-phenyl-1,3-oxazol-5-one,2-oxazolin-5-one, 4-ethoxymethylene-2-phenyl,4-ethoxymethylene-2-phenyloxazolone PubChem CID: 1712094 IUPAC Name: (4Z)-4-(ethoxymethylidene)-2-phenyl-1,3-oxazol-5-one SMILES: CCOC=C1C(=O)OC(=N1)C2=CC=CC=C2

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PubChem CID	1712094
CAS	15646-46-5
Molecular Weight (g/mol)	217.224
MDL Number	MFCD00003204
SMILES	CCOC=C1C(=O)OC(=N1)C2=CC=CC=C2
Synonym	oxazolone,oxazolone sensitizing agent,5 4h-oxazolone, 4-ethoxymethylene-2-phenyl,unii-78il0j7n72,4-ethoxymethylene-2-phenyl-2-oxazolin-5-one,4-ethoxymethylene-2-phenyloxazolin-5-one,4-ethoxymethylene-2-phenyl-2-oxazoline-5-one,4z-4-ethoxymethylidene-2-phenyl-1,3-oxazol-5-one,2-oxazolin-5-one, 4-ethoxymethylene-2-phenyl,4-ethoxymethylene-2-phenyloxazolone
IUPAC Name	(4Z)-4-(ethoxymethylidene)-2-phenyl-1,3-oxazol-5-one
InChI Key	SJHPCNCNNSSLPL-NTMALXAHSA-N
Molecular Formula	C12H11NO3

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1H-Pyrazole-4-carboxylic acid, 97%

CAS: 37718-11-9 Molecular Formula: C4H4N2O2 Molecular Weight (g/mol): 112.088 MDL Number: MFCD00011558 InChI Key: IMBBXSASDSZJSX-UHFFFAOYSA-N Synonym: 4-pyrazolecarboxylic acid,4-carboxypyrazole,pyrazole-4-carboxylic acid,unii-4xjz84gv8e,1h-pyrazole-4-carboxylicacid,4-carboxy-1h-pyrazole,4xjz84gv8e,pyrazole-4-carboxylic,pubchem13293,pubchem22749 PubChem CID: 3015937 IUPAC Name: 1H-pyrazole-4-carboxylic acid SMILES: C1=C(C=NN1)C(=O)O

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PubChem CID	3015937
CAS	37718-11-9
Molecular Weight (g/mol)	112.088
MDL Number	MFCD00011558
SMILES	C1=C(C=NN1)C(=O)O
Synonym	4-pyrazolecarboxylic acid,4-carboxypyrazole,pyrazole-4-carboxylic acid,unii-4xjz84gv8e,1h-pyrazole-4-carboxylicacid,4-carboxy-1h-pyrazole,4xjz84gv8e,pyrazole-4-carboxylic,pubchem13293,pubchem22749
IUPAC Name	1H-pyrazole-4-carboxylic acid
InChI Key	IMBBXSASDSZJSX-UHFFFAOYSA-N
Molecular Formula	C4H4N2O2

1-Methyl-5-phenyl-1H-pyrazole-4-carboxylic acid, 97%, Thermo Scientific™

CAS: 105994-75-0 Molecular Formula: C11H10N2O2 Molecular Weight (g/mol): 202.213 MDL Number: MFCD04038957 InChI Key: MXGOKNNGBUOAGF-UHFFFAOYSA-N Synonym: 1-methyl-5-phenyl-1h-pyrazole-4-carboxylic acid,1h-pyrazole-4-carboxylicacid, 1-methyl-5-phenyl,acmc-1c8ot,1h-pyrazole-4-carboxylic acid, 1-methyl-5-phenyl,1ff PubChem CID: 2795474 IUPAC Name: 1-methyl-5-phenylpyrazole-4-carboxylic acid SMILES: CN1C(=C(C=N1)C(=O)O)C2=CC=CC=C2

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PubChem CID	2795474
CAS	105994-75-0
Molecular Weight (g/mol)	202.213
MDL Number	MFCD04038957
SMILES	CN1C(=C(C=N1)C(=O)O)C2=CC=CC=C2
Synonym	1-methyl-5-phenyl-1h-pyrazole-4-carboxylic acid,1h-pyrazole-4-carboxylicacid, 1-methyl-5-phenyl,acmc-1c8ot,1h-pyrazole-4-carboxylic acid, 1-methyl-5-phenyl,1ff
IUPAC Name	1-methyl-5-phenylpyrazole-4-carboxylic acid
InChI Key	MXGOKNNGBUOAGF-UHFFFAOYSA-N
Molecular Formula	C11H10N2O2

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Methyl pyrrole-3-carboxylate, 97%

CAS: 2703-17-5 Molecular Formula: C6H7NO2 Molecular Weight (g/mol): 125.127 MDL Number: MFCD00967074 InChI Key: WLBNVSIQCFHAQB-UHFFFAOYSA-N Synonym: methyl pyrrole-3-carboxylate,1h-pyrrole-3-carboxylic acid methyl ester,1h-pyrrole-3-carboxylic acid, methyl ester,methyl 3-pyrrolecarboxylate,3-methoxycarbonyl-1h-pyrrole,pubchem22507,acmc-1cmqn,methylpyrrole-3-carboxylate,4,5-methoxy-carbonylpyrrole,methyl pyrrole 3-carboxylate PubChem CID: 12361759 IUPAC Name: methyl 1H-pyrrole-3-carboxylate SMILES: COC(=O)C1=CNC=C1

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Specifications

PubChem CID	12361759
CAS	2703-17-5
Molecular Weight (g/mol)	125.127
MDL Number	MFCD00967074
SMILES	COC(=O)C1=CNC=C1
Synonym	methyl pyrrole-3-carboxylate,1h-pyrrole-3-carboxylic acid methyl ester,1h-pyrrole-3-carboxylic acid, methyl ester,methyl 3-pyrrolecarboxylate,3-methoxycarbonyl-1h-pyrrole,pubchem22507,acmc-1cmqn,methylpyrrole-3-carboxylate,4,5-methoxy-carbonylpyrrole,methyl pyrrole 3-carboxylate
IUPAC Name	methyl 1H-pyrrole-3-carboxylate
InChI Key	WLBNVSIQCFHAQB-UHFFFAOYSA-N
Molecular Formula	C6H7NO2

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Methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate, 97%, Thermo Scientific Chemicals

CAS: 96232-71-2 Molecular Formula: C6H4Br2O3S Molecular Weight (g/mol): 315.96 MDL Number: MFCD00052082 InChI Key: YZPNGCXFJCPJSV-XQRVVYSFSA-N Synonym: methyl4,5-dibromo-3-hydroxythiophene-2-carboxylate,4,5-dibromo-3-hydroxythiophene-2-carboxylic acid methyl ester,2z-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,acmc-20akgp,maybridge1_003706,methyl 4,5-dibromo-3-hydroxy-2-thiophenecarboxylate,4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylat,2-thiophenecarboxylicacid,4,5-dibromo-3-hydroxy-,methyl ester,2e-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one PubChem CID: 2777613 IUPAC Name: methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate SMILES: CO\C(O)=C1/SC(Br)=C(Br)C1=O

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Specifications

PubChem CID	2777613
CAS	96232-71-2
Molecular Weight (g/mol)	315.96
MDL Number	MFCD00052082
SMILES	CO\C(O)=C1/SC(Br)=C(Br)C1=O
Synonym	methyl4,5-dibromo-3-hydroxythiophene-2-carboxylate,4,5-dibromo-3-hydroxythiophene-2-carboxylic acid methyl ester,2z-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,acmc-20akgp,maybridge1_003706,methyl 4,5-dibromo-3-hydroxy-2-thiophenecarboxylate,4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylat,2-thiophenecarboxylicacid,4,5-dibromo-3-hydroxy-,methyl ester,2e-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one
IUPAC Name	methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate
InChI Key	YZPNGCXFJCPJSV-XQRVVYSFSA-N
Molecular Formula	C6H4Br2O3S

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3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+%

CAS: 2892-51-5 Molecular Formula: C4H2O4 Molecular Weight (g/mol): 114.056 MDL Number: MFCD00001334 InChI Key: PWEBUXCTKOWPCW-UHFFFAOYSA-N Synonym: squaric acid,3,4-dihydroxy-3-cyclobutene-1,2-dione,quadratic acid,3-cyclobutene-1,2-dione, 3,4-dihydroxy,quadratsaeure,cyclobutenedione, dihydroxy,1,2-diketo-3,4-dihydroxycyclobutene,dihydroxycyclobutenedione,unii-svr9d0vodw,dihydroxycyclobut-3-ene-1,2-dione PubChem CID: 17913 ChEBI: CHEBI:52141 IUPAC Name: 3,4-dihydroxycyclobut-3-ene-1,2-dione SMILES: C1(=C(C(=O)C1=O)O)O

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Specifications

PubChem CID	17913
CAS	2892-51-5
Molecular Weight (g/mol)	114.056
ChEBI	CHEBI:52141
MDL Number	MFCD00001334
SMILES	C1(=C(C(=O)C1=O)O)O
Synonym	squaric acid,3,4-dihydroxy-3-cyclobutene-1,2-dione,quadratic acid,3-cyclobutene-1,2-dione, 3,4-dihydroxy,quadratsaeure,cyclobutenedione, dihydroxy,1,2-diketo-3,4-dihydroxycyclobutene,dihydroxycyclobutenedione,unii-svr9d0vodw,dihydroxycyclobut-3-ene-1,2-dione
IUPAC Name	3,4-dihydroxycyclobut-3-ene-1,2-dione
InChI Key	PWEBUXCTKOWPCW-UHFFFAOYSA-N
Molecular Formula	C4H2O4

Dibenzo[B,E]Thiepin-11(6H)-one, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

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Indole-7-carboxylic acid, 97%

CAS: 1670-83-3 Molecular Formula: C9H7NO2 Molecular Weight (g/mol): 161.16 MDL Number: MFCD00210442 InChI Key: IPDOBVFESNNYEE-UHFFFAOYSA-N Synonym: indole-7-carboxylic acid,7-indolecarboxylic acid,indole-7-carboxylicacid,zlchem 444,pubchem2475,7-carboxyindole,acmc-209dvl,indole-7-carboxlic acid,indole 7-carboxylic acid,1h-indole-7-carboxylicacid PubChem CID: 74281 IUPAC Name: 1H-indole-7-carboxylic acid SMILES: C1=CC2=C(C(=C1)C(=O)O)NC=C2

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Specifications

PubChem CID	74281
CAS	1670-83-3
Molecular Weight (g/mol)	161.16
MDL Number	MFCD00210442
SMILES	C1=CC2=C(C(=C1)C(=O)O)NC=C2
Synonym	indole-7-carboxylic acid,7-indolecarboxylic acid,indole-7-carboxylicacid,zlchem 444,pubchem2475,7-carboxyindole,acmc-209dvl,indole-7-carboxlic acid,indole 7-carboxylic acid,1h-indole-7-carboxylicacid
IUPAC Name	1H-indole-7-carboxylic acid
InChI Key	IPDOBVFESNNYEE-UHFFFAOYSA-N
Molecular Formula	C9H7NO2

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N-Methylisatoic anhydride, tech. 90%

CAS: 10328-92-4 Molecular Formula: C9H7NO3 Molecular Weight (g/mol): 177.159 MDL Number: MFCD00006815 InChI Key: KJMRWDHBVCNLTQ-UHFFFAOYSA-N Synonym: n-methylisatoic anhydride,1-methyl-1h-benzo d 1,3 oxazine-2,4-dione,n-methyl ia,1-methyl-2h-3,1-benzoxazine-2,4 1h-dione,2h-3,1-benzoxazine-2,4 1h-dione, 1-methyl,n-methyl-n-carboxyanthranilic anhydride,methyl-n-carboxyanthranilic anhydride,1-methylbenzo d 1,3-oxazine-2,4-dione,n-methyl isotoic anhydride,1-methyl-2,4-dihydro-1h-3,1-benzoxazine-2,4-dione PubChem CID: 25160 ChEBI: CHEBI:59054 IUPAC Name: 1-methyl-3,1-benzoxazine-2,4-dione SMILES: CN1C2=CC=CC=C2C(=O)OC1=O

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Specifications

PubChem CID	25160
CAS	10328-92-4
Molecular Weight (g/mol)	177.159
ChEBI	CHEBI:59054
MDL Number	MFCD00006815
SMILES	CN1C2=CC=CC=C2C(=O)OC1=O
Synonym	n-methylisatoic anhydride,1-methyl-1h-benzo d 1,3 oxazine-2,4-dione,n-methyl ia,1-methyl-2h-3,1-benzoxazine-2,4 1h-dione,2h-3,1-benzoxazine-2,4 1h-dione, 1-methyl,n-methyl-n-carboxyanthranilic anhydride,methyl-n-carboxyanthranilic anhydride,1-methylbenzo d 1,3-oxazine-2,4-dione,n-methyl isotoic anhydride,1-methyl-2,4-dihydro-1h-3,1-benzoxazine-2,4-dione
IUPAC Name	1-methyl-3,1-benzoxazine-2,4-dione
InChI Key	KJMRWDHBVCNLTQ-UHFFFAOYSA-N
Molecular Formula	C9H7NO3

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Ethyl 2-amino-4-methylthiophene-3-carboxylate, 98+%

CAS: 43088-42-2 Molecular Formula: C8H11NO2S Molecular Weight (g/mol): 185.241 MDL Number: MFCD00051669 InChI Key: ILYCZKOBLRJJSW-UHFFFAOYSA-N Synonym: 2-amino-4-methylthiophene-3-carboxylic acid ethyl ester,2-amino-4-methyl-thiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-4-methyl-, ethyl ester,ethyl2-amino-4-methylthiophene-3-carboxylate,ethyl 2-amino-4-methyl-3-thiophenecarboxylate,acmc-20a9ux,maybridge1_003755,2-amino-4-methyl-3-ethoxycarbonyl-thiophene,ethyl 2-amino4-methylthiophene-3-carboxylate,2-amino-3-ethoxycarbonyl-4-methylthiophene PubChem CID: 521132 IUPAC Name: ethyl 2-amino-4-methylthiophene-3-carboxylate SMILES: CCOC(=O)C1=C(SC=C1C)N

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Specifications

PubChem CID	521132
CAS	43088-42-2
Molecular Weight (g/mol)	185.241
MDL Number	MFCD00051669
SMILES	CCOC(=O)C1=C(SC=C1C)N
Synonym	2-amino-4-methylthiophene-3-carboxylic acid ethyl ester,2-amino-4-methyl-thiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-4-methyl-, ethyl ester,ethyl2-amino-4-methylthiophene-3-carboxylate,ethyl 2-amino-4-methyl-3-thiophenecarboxylate,acmc-20a9ux,maybridge1_003755,2-amino-4-methyl-3-ethoxycarbonyl-thiophene,ethyl 2-amino4-methylthiophene-3-carboxylate,2-amino-3-ethoxycarbonyl-4-methylthiophene
IUPAC Name	ethyl 2-amino-4-methylthiophene-3-carboxylate
InChI Key	ILYCZKOBLRJJSW-UHFFFAOYSA-N
Molecular Formula	C8H11NO2S

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4-Methoxy-2(5H)-furanone, 97%

CAS: 69556-70-3 Molecular Formula: C₅H₆O₃ Molecular Weight (g/mol): 114.1 MDL Number: MFCD00071565 InChI Key: VOYDEHILKLSVNN-UHFFFAOYSA-N PubChem CID: 643477 IUPAC Name: 3-methoxy-2H-furan-5-one SMILES: COC1=CC(=O)OC1

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PubChem CID	643477
CAS	69556-70-3
Molecular Weight (g/mol)	114.1
MDL Number	MFCD00071565
SMILES	COC1=CC(=O)OC1
IUPAC Name	3-methoxy-2H-furan-5-one
InChI Key	VOYDEHILKLSVNN-UHFFFAOYSA-N
Molecular Formula	C₅H₆O₃

1,3,5-Trimethyl-1H-pyrazole-4-carboxylic acid, 97%, Thermo Scientific™

CAS: 1125-29-7 Molecular Formula: C7H10N2O2 Molecular Weight (g/mol): 154.17 MDL Number: MFCD00159648 InChI Key: NOIOGQJFLIPRBI-UHFFFAOYSA-N Synonym: 1,3,5-trimethyl-1h-pyrazole-4-carboxylic acid,trimethyl-1h-pyrazole-4-carboxylic acid,trimethylpyrazole-4-carboxylic acid,1,3,5-trimethyl-4-pyrazolecarboxylic acid,1h-pyrazole-4-carboxylic acid, 1,3,5-trimethyl,akos pao-0337,rarechem al be 0403,art-chem-bb b006363,cambridge id 5264152,1,3,5-trimethyl-1h-pyrazol-4-carboxylic acid PubChem CID: 736514 IUPAC Name: 1,3,5-trimethylpyrazole-4-carboxylic acid SMILES: CN1N=C(C)C(C(O)=O)=C1C

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PubChem CID	736514
CAS	1125-29-7
Molecular Weight (g/mol)	154.17
MDL Number	MFCD00159648
SMILES	CN1N=C(C)C(C(O)=O)=C1C
Synonym	1,3,5-trimethyl-1h-pyrazole-4-carboxylic acid,trimethyl-1h-pyrazole-4-carboxylic acid,trimethylpyrazole-4-carboxylic acid,1,3,5-trimethyl-4-pyrazolecarboxylic acid,1h-pyrazole-4-carboxylic acid, 1,3,5-trimethyl,akos pao-0337,rarechem al be 0403,art-chem-bb b006363,cambridge id 5264152,1,3,5-trimethyl-1h-pyrazol-4-carboxylic acid
IUPAC Name	1,3,5-trimethylpyrazole-4-carboxylic acid
InChI Key	NOIOGQJFLIPRBI-UHFFFAOYSA-N
Molecular Formula	C7H10N2O2

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Methyl indole-3-carboxylate, 99%

CAS: 942-24-5 Molecular Formula: C10H9NO2 Molecular Weight (g/mol): 175.187 MDL Number: MFCD00189407 InChI Key: QXAUTQFAWKKNLM-UHFFFAOYSA-N Synonym: methyl indole-3-carboxylate,indole-3-carboxylic acid methyl ester,methyl 3-indolecarboxylate,1h-indole-3-carboxylic acid methyl ester,1h-indole-3-carboxylic acid, methyl ester,3-carbomethoxyindole,3-methoxycarbonylindole,methylindole-3-carboxylate,indole-3-carboxylic acid, methyl ester,methyl-3-indolcarboxylate PubChem CID: 589098 ChEBI: CHEBI:65019 IUPAC Name: methyl 1H-indole-3-carboxylate SMILES: COC(=O)C1=CNC2=CC=CC=C21

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Specifications

PubChem CID	589098
CAS	942-24-5
Molecular Weight (g/mol)	175.187
ChEBI	CHEBI:65019
MDL Number	MFCD00189407
SMILES	COC(=O)C1=CNC2=CC=CC=C21
Synonym	methyl indole-3-carboxylate,indole-3-carboxylic acid methyl ester,methyl 3-indolecarboxylate,1h-indole-3-carboxylic acid methyl ester,1h-indole-3-carboxylic acid, methyl ester,3-carbomethoxyindole,3-methoxycarbonylindole,methylindole-3-carboxylate,indole-3-carboxylic acid, methyl ester,methyl-3-indolcarboxylate
IUPAC Name	methyl 1H-indole-3-carboxylate
InChI Key	QXAUTQFAWKKNLM-UHFFFAOYSA-N
Molecular Formula	C10H9NO2

4-Pyrazolecarboxylic acid, 97%

CAS: 37718-11-9 Molecular Formula: C₄H₄N₂O₂ Molecular Weight (g/mol): 112.09 MDL Number: MFCD00011558 InChI Key: IMBBXSASDSZJSX-UHFFFAOYSA-N Synonym: 4-pyrazolecarboxylic acid,4-carboxypyrazole,pyrazole-4-carboxylic acid,unii-4xjz84gv8e,1h-pyrazole-4-carboxylicacid,4-carboxy-1h-pyrazole,4xjz84gv8e,pyrazole-4-carboxylic,pubchem13293,pubchem22749 PubChem CID: 3015937 IUPAC Name: 1H-pyrazole-4-carboxylic acid SMILES: C1=C(C=NN1)C(=O)O

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Specifications

PubChem CID	3015937
CAS	37718-11-9
Molecular Weight (g/mol)	112.09
MDL Number	MFCD00011558
SMILES	C1=C(C=NN1)C(=O)O
Synonym	4-pyrazolecarboxylic acid,4-carboxypyrazole,pyrazole-4-carboxylic acid,unii-4xjz84gv8e,1h-pyrazole-4-carboxylicacid,4-carboxy-1h-pyrazole,4xjz84gv8e,pyrazole-4-carboxylic,pubchem13293,pubchem22749
IUPAC Name	1H-pyrazole-4-carboxylic acid
InChI Key	IMBBXSASDSZJSX-UHFFFAOYSA-N
Molecular Formula	C₄H₄N₂O₂

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4-Acryloylmorpholine, 97%

CAS: 5117-12-4 Molecular Formula: C₇H₁₁NO₂ Molecular Weight (g/mol): 141.17 InChI Key: XLPJNCYCZORXHG-UHFFFAOYSA-N SMILES: C=CC(=O)N1CCOCC1

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Specifications

CAS	5117-12-4
Molecular Weight (g/mol)	141.17
SMILES	C=CC(=O)N1CCOCC1
InChI Key	XLPJNCYCZORXHG-UHFFFAOYSA-N
Molecular Formula	C₇H₁₁NO₂

Vinylogous acids

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