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).

1 – 15 of 156 results

Dorzolamide Impurity B, 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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4-Aminoantipyrine, ≥98.0%, MilliporeSigma™ Supelco™

MDL Number: MFCD00003145 Synonym: 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one; Ampyrone

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Specifications

MDL Number	MFCD00003145
Synonym	4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one; Ampyrone

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

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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

Ethyl (ethoxymethylene)cyanoacetate, 98%

CAS: 94-05-3 Molecular Formula: C8H11NO3 Molecular Weight (g/mol): 169.18 MDL Number: MFCD00009136 InChI Key: KTMGNAIGXYODKQ-SREVYHEPSA-N Synonym: ethyl ethoxymethylene cyanoacetate,e-ethyl 2-cyano-3-ethoxyacrylate,ethyl 2-cyano-3-ethoxyacrylate,ethyl 3-ethoxy-2-cyanoacrylate,ethyl 2e-2-cyano-3-ethoxyprop-2-enoate,ethyl cyano ethoxymethylene acetate,2-propenoic acid, 2-cyano-3-ethoxy-, ethyl ester,2-cyano-3-ethoxy-2-propenoic acid ethyl ester,2-cyano-3-ethoxyacrylic acid ethyl ester,ethyl 2e-2-cyano-3-ethoxy-2-propenoate PubChem CID: 1715183 IUPAC Name: ethyl (E)-2-cyano-3-ethoxyprop-2-enoate SMILES: CCO\C=C(\C#N)C(=O)OCC

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Specifications

PubChem CID	1715183
CAS	94-05-3
Molecular Weight (g/mol)	169.18
MDL Number	MFCD00009136
SMILES	CCO\C=C(\C#N)C(=O)OCC
Synonym	ethyl ethoxymethylene cyanoacetate,e-ethyl 2-cyano-3-ethoxyacrylate,ethyl 2-cyano-3-ethoxyacrylate,ethyl 3-ethoxy-2-cyanoacrylate,ethyl 2e-2-cyano-3-ethoxyprop-2-enoate,ethyl cyano ethoxymethylene acetate,2-propenoic acid, 2-cyano-3-ethoxy-, ethyl ester,2-cyano-3-ethoxy-2-propenoic acid ethyl ester,2-cyano-3-ethoxyacrylic acid ethyl ester,ethyl 2e-2-cyano-3-ethoxy-2-propenoate
IUPAC Name	ethyl (E)-2-cyano-3-ethoxyprop-2-enoate
InChI Key	KTMGNAIGXYODKQ-SREVYHEPSA-N
Molecular Formula	C8H11NO3

Ethyl 3-trifluoromethyl-1H-pyrazole-4-carboxylate, 97%

CAS: 155377-19-8 Molecular Formula: C7H7F3N2O2 Molecular Weight (g/mol): 208.14 MDL Number: MFCD00052083 InChI Key: VYXIHSAEOXPAEY-UHFFFAOYSA-N Synonym: ethyl 3-trifluoromethyl pyrazole-4-carboxylate,ethyl 3-trifluoromethyl-1h-pyrazole-4-carboxylate,ethyl 5-trifluoromethyl-1h-pyrazole-4-carboxylate,3-trifluoromethyl-1h-pyrazole-4-carboxylic acid ethyl ester,3-trifluoromethyl pyrazole-4-carboxylic acid ethyl ester,ethyl 3-trifluoromethyl-2h-pyrazole-4-carboxylate,5-trifluoromethyl-1h-pyrazole-4-carboxylic acid ethyl ester,1h-pyrazole-4-carboxylic acid, 3-trifluoromethyl-, ethyl ester PubChem CID: 596095 IUPAC Name: ethyl 5-(trifluoromethyl)-1H-pyrazole-4-carboxylate SMILES: CCOC(=O)C1=C(NN=C1)C(F)(F)F

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Specifications

PubChem CID	596095
CAS	155377-19-8
Molecular Weight (g/mol)	208.14
MDL Number	MFCD00052083
SMILES	CCOC(=O)C1=C(NN=C1)C(F)(F)F
Synonym	ethyl 3-trifluoromethyl pyrazole-4-carboxylate,ethyl 3-trifluoromethyl-1h-pyrazole-4-carboxylate,ethyl 5-trifluoromethyl-1h-pyrazole-4-carboxylate,3-trifluoromethyl-1h-pyrazole-4-carboxylic acid ethyl ester,3-trifluoromethyl pyrazole-4-carboxylic acid ethyl ester,ethyl 3-trifluoromethyl-2h-pyrazole-4-carboxylate,5-trifluoromethyl-1h-pyrazole-4-carboxylic acid ethyl ester,1h-pyrazole-4-carboxylic acid, 3-trifluoromethyl-, ethyl ester
IUPAC Name	ethyl 5-(trifluoromethyl)-1H-pyrazole-4-carboxylate
InChI Key	VYXIHSAEOXPAEY-UHFFFAOYSA-N
Molecular Formula	C7H7F3N2O2

Dimethyl 3,4-dihydroxypyrrole-2,5-dicarboxylate, 97%

CAS: 1632-19-5 Molecular Formula: C8H9NO6 Molecular Weight (g/mol): 215.161 MDL Number: MFCD00276587 InChI Key: QCPBGHYMHYWRHG-UHFFFAOYSA-N Synonym: dimethyl 3,4-dihydroxypyrrole-2,5-dicarboxylate,maybridge4_003392,acmc-20al76,2,5-bis hydroxy methoxy methylidene pyrrolidine-3,4-dione,2,5-dimethyl 3,4-dihydroxy-1h-pyrrole-2,5-dicarboxylate,methyl 3,4-dihydroxy-5-methoxycarbonyl pyrrole-2-carboxylate,2z,5z-2,5-bis hydroxy methoxy methylidene pyrrolidine-3,4-dione,1h-pyrrole-2,5-dicarboxylicacid, 3,4-dihydroxy-, 2,5-dimethyl ester PubChem CID: 2727733 IUPAC Name: dimethyl 3,4-dihydroxy-1H-pyrrole-2,5-dicarboxylate SMILES: COC(=O)C1=C(C(=C(N1)C(=O)OC)O)O

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Specifications

PubChem CID	2727733
CAS	1632-19-5
Molecular Weight (g/mol)	215.161
MDL Number	MFCD00276587
SMILES	COC(=O)C1=C(C(=C(N1)C(=O)OC)O)O
Synonym	dimethyl 3,4-dihydroxypyrrole-2,5-dicarboxylate,maybridge4_003392,acmc-20al76,2,5-bis hydroxy methoxy methylidene pyrrolidine-3,4-dione,2,5-dimethyl 3,4-dihydroxy-1h-pyrrole-2,5-dicarboxylate,methyl 3,4-dihydroxy-5-methoxycarbonyl pyrrole-2-carboxylate,2z,5z-2,5-bis hydroxy methoxy methylidene pyrrolidine-3,4-dione,1h-pyrrole-2,5-dicarboxylicacid, 3,4-dihydroxy-, 2,5-dimethyl ester
IUPAC Name	dimethyl 3,4-dihydroxy-1H-pyrrole-2,5-dicarboxylate
InChI Key	QCPBGHYMHYWRHG-UHFFFAOYSA-N
Molecular Formula	C8H9NO6

Ethyl 3-amino-1H-pyrazole-4-carboxylate, 99%

CAS: 6994-25-8 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.157 MDL Number: MFCD00005238 InChI Key: YPXGHKWOJXQLQU-UHFFFAOYSA-N Synonym: ethyl 3-amino-1h-pyrazole-4-carboxylate,ethyl 3-amino-4-pyrazolecarboxylate,3-amino-4-carbethoxypyrazole,5-amino-1h-pyrazole-4-carboxylic acid ethyl ester,3-amino-1h-pyrazole-4-carboxylic acid ethyl ester,ethyl 3-aminopyrazole-4-carboxylate,3-amino-4-ethoxycarbonylpyrazole,unii-9gy5ha1gaa,3-amino-4-carbethoxypyrazol,1h-pyrazole-4-carboxylic acid, 3-amino-, ethyl ester PubChem CID: 81472 IUPAC Name: ethyl 5-amino-1H-pyrazole-4-carboxylate SMILES: CCOC(=O)C1=C(NN=C1)N

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Specifications

PubChem CID	81472
CAS	6994-25-8
Molecular Weight (g/mol)	155.157
MDL Number	MFCD00005238
SMILES	CCOC(=O)C1=C(NN=C1)N
Synonym	ethyl 3-amino-1h-pyrazole-4-carboxylate,ethyl 3-amino-4-pyrazolecarboxylate,3-amino-4-carbethoxypyrazole,5-amino-1h-pyrazole-4-carboxylic acid ethyl ester,3-amino-1h-pyrazole-4-carboxylic acid ethyl ester,ethyl 3-aminopyrazole-4-carboxylate,3-amino-4-ethoxycarbonylpyrazole,unii-9gy5ha1gaa,3-amino-4-carbethoxypyrazol,1h-pyrazole-4-carboxylic acid, 3-amino-, ethyl ester
IUPAC Name	ethyl 5-amino-1H-pyrazole-4-carboxylate
InChI Key	YPXGHKWOJXQLQU-UHFFFAOYSA-N
Molecular Formula	C6H9N3O2

Hypoxanthine, 99%

CAS: 68-94-0 Molecular Formula: C5H4N4O Molecular Weight (g/mol): 136.11 MDL Number: MFCD00005725 InChI Key: FDGQSTZJBFJUBT-UHFFFAOYSA-N Synonym: hypoxanthine,6-hydroxypurine,9h-purin-6-ol,sarkin,6-oxopurine,sarcine,sarkine,3h-purin-6-ol,7h-purin-6-ol,purin-6 1h-one PubChem CID: 790 ChEBI: CHEBI:17368 IUPAC Name: 3,7-dihydropurin-6-one SMILES: O=C1N=CNC2=C1NC=N2

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Specifications

PubChem CID	790
CAS	68-94-0
Molecular Weight (g/mol)	136.11
ChEBI	CHEBI:17368
MDL Number	MFCD00005725
SMILES	O=C1N=CNC2=C1NC=N2
Synonym	hypoxanthine,6-hydroxypurine,9h-purin-6-ol,sarkin,6-oxopurine,sarcine,sarkine,3h-purin-6-ol,7h-purin-6-ol,purin-6 1h-one
IUPAC Name	3,7-dihydropurin-6-one
InChI Key	FDGQSTZJBFJUBT-UHFFFAOYSA-N
Molecular Formula	C5H4N4O

Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate, 98%

CAS: 31037-02-2 Molecular Formula: C7H11N3O2 Molecular Weight (g/mol): 169.18 MDL Number: MFCD00051652 InChI Key: MEUSJJFWVKBUFP-UHFFFAOYSA-N Synonym: ethyl 5-amino-1-methyl-1h-pyrazole-4-carboxylate,5-amino-1-methyl-1h-pyrazole-4-carboxylic acid ethyl ester,ethyl5-amino-1-methylpyrazole-4-carboxylate,1h-pyrazole-4-carboxylic acid, 5-amino-1-methyl-, ethyl ester,5-amino-1-methylpyrazole-4-carboxylic acid ethyl ester,ethyl 5-amino-1-methyl-4-pyrazolecarboxylate,ethyl 5-amino-1-methyl-pyrazole-4-carboxylate,acmc-1agpk,maybridge1_003833,ethyl-5-amino-1-methyl-1h-pyrazol-4-carboxylat PubChem CID: 271299 IUPAC Name: ethyl 5-amino-1-methylpyrazole-4-carboxylate SMILES: CCOC(=O)C1=C(N)N(C)N=C1

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Specifications

PubChem CID	271299
CAS	31037-02-2
Molecular Weight (g/mol)	169.18
MDL Number	MFCD00051652
SMILES	CCOC(=O)C1=C(N)N(C)N=C1
Synonym	ethyl 5-amino-1-methyl-1h-pyrazole-4-carboxylate,5-amino-1-methyl-1h-pyrazole-4-carboxylic acid ethyl ester,ethyl5-amino-1-methylpyrazole-4-carboxylate,1h-pyrazole-4-carboxylic acid, 5-amino-1-methyl-, ethyl ester,5-amino-1-methylpyrazole-4-carboxylic acid ethyl ester,ethyl 5-amino-1-methyl-4-pyrazolecarboxylate,ethyl 5-amino-1-methyl-pyrazole-4-carboxylate,acmc-1agpk,maybridge1_003833,ethyl-5-amino-1-methyl-1h-pyrazol-4-carboxylat
IUPAC Name	ethyl 5-amino-1-methylpyrazole-4-carboxylate
InChI Key	MEUSJJFWVKBUFP-UHFFFAOYSA-N
Molecular Formula	C7H11N3O2

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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Specifications

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

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

Antipyrine, 98%

CAS: 60-80-0 Molecular Formula: C11H12N2O Molecular Weight (g/mol): 188.23 MDL Number: MFCD00003146 InChI Key: VEQOALNAAJBPNY-UHFFFAOYSA-N Synonym: antipyrine,phenazone,antipyrin,phenazon,analgesine,anodynine,anodynin,azophen,fenazone,2,3-dimethyl-1-phenyl-5-pyrazolone PubChem CID: 2206 ChEBI: CHEBI:31225 IUPAC Name: 1,5-dimethyl-2-phenylpyrazol-3-one SMILES: CC1=CC(=O)N(N1C)C2=CC=CC=C2

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Specifications

PubChem CID	2206
CAS	60-80-0
Molecular Weight (g/mol)	188.23
ChEBI	CHEBI:31225
MDL Number	MFCD00003146
SMILES	CC1=CC(=O)N(N1C)C2=CC=CC=C2
Synonym	antipyrine,phenazone,antipyrin,phenazon,analgesine,anodynine,anodynin,azophen,fenazone,2,3-dimethyl-1-phenyl-5-pyrazolone
IUPAC Name	1,5-dimethyl-2-phenylpyrazol-3-one
InChI Key	VEQOALNAAJBPNY-UHFFFAOYSA-N
Molecular Formula	C11H12N2O

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

7-Benzyloxy-6-methoxy-4(3H)-quinazolinone, 96%

CAS: 179688-01-8 Molecular Formula: C16H14N2O3 Molecular Weight (g/mol): 282.299 MDL Number: MFCD04115119 InChI Key: ZCUFFSHMOAEEIL-UHFFFAOYSA-N Synonym: 7-benzyloxy-6-methoxyquinazolin-4 3h-one,6-methoxy-7-benzyloxyquinazolin-4-one,7-benzyloxy-6-methoxy-3h-quinazolin-4-one,7-benzyloxy-6-methoxyquinazolin-4-ol,7-benzyloxy-6-methoxyquinazolin-4 1h-one,4 3h-quinazolinone, 6-methoxy-7-phenylmethoxy,7-benzyloxy-6-methoxy-4 3h-quinazolinone,4 1h-quinazolinone, 6-methoxy-7-phenylmethoxy PubChem CID: 10540849 IUPAC Name: 6-methoxy-7-phenylmethoxy-1H-quinazolin-4-one SMILES: COC1=C(C=C2C(=C1)C(=O)N=CN2)OCC3=CC=CC=C3

Pricing and Availability
Specifications

PubChem CID	10540849
CAS	179688-01-8
Molecular Weight (g/mol)	282.299
MDL Number	MFCD04115119
SMILES	COC1=C(C=C2C(=C1)C(=O)N=CN2)OCC3=CC=CC=C3
Synonym	7-benzyloxy-6-methoxyquinazolin-4 3h-one,6-methoxy-7-benzyloxyquinazolin-4-one,7-benzyloxy-6-methoxy-3h-quinazolin-4-one,7-benzyloxy-6-methoxyquinazolin-4-ol,7-benzyloxy-6-methoxyquinazolin-4 1h-one,4 3h-quinazolinone, 6-methoxy-7-phenylmethoxy,7-benzyloxy-6-methoxy-4 3h-quinazolinone,4 1h-quinazolinone, 6-methoxy-7-phenylmethoxy
IUPAC Name	6-methoxy-7-phenylmethoxy-1H-quinazolin-4-one
InChI Key	ZCUFFSHMOAEEIL-UHFFFAOYSA-N
Molecular Formula	C16H14N2O3

Vinylogous acids

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