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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Croconic acid disodium salt, 97%

CAS: 14379-00-1 Molecular Formula: C5Na2O5 Molecular Weight (g/mol): 186.03 MDL Number: MFCD00191954 InChI Key: OQXLFPHHAAAVKQ-UHFFFAOYSA-L Synonym: croconic acid disodium salt,croconic acid, disodium salt,disodium trioxocyclopent-1-ene-1,2-bis olate,sodium 3,4,5-trioxocyclopent-1-ene-1,2-bis olate,4,5-dihydroxy-4-cyclopentene-1,2,3-trione disodium salt PubChem CID: 12120285 IUPAC Name: disodium;3,4,5-trioxocyclopentene-1,2-diolate SMILES: [Na+].[Na+].[O-]C1=C([O-])C(=O)C(=O)C1=O

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PubChem CID	12120285
CAS	14379-00-1
Molecular Weight (g/mol)	186.03
MDL Number	MFCD00191954
SMILES	[Na+].[Na+].[O-]C1=C([O-])C(=O)C(=O)C1=O
Synonym	croconic acid disodium salt,croconic acid, disodium salt,disodium trioxocyclopent-1-ene-1,2-bis olate,sodium 3,4,5-trioxocyclopent-1-ene-1,2-bis olate,4,5-dihydroxy-4-cyclopentene-1,2,3-trione disodium salt
IUPAC Name	disodium;3,4,5-trioxocyclopentene-1,2-diolate
InChI Key	OQXLFPHHAAAVKQ-UHFFFAOYSA-L
Molecular Formula	C5Na2O5

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-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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Specifications

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

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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

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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

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

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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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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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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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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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Diethyl Ethoxymethylenemalonate, 99+%

CAS: 87-13-8 Molecular Formula: C₁₀H₁₆O₅ Molecular Weight (g/mol): 216.23 MDL Number: MFCD00009148 InChI Key: LTMHNWPUDSTBKD-UHFFFAOYSA-N Synonym: diethyl ethoxymethylenemalonate,diethyl 2-ethoxymethylene malonate,ethoxymethylenemalonic acid diethyl ester,diethyl ethoxymethylene malonate,diethyl emme,propanedioic acid, ethoxymethylene-, diethyl ester,diethylethoxymethylenemalonate,1,3-diethyl 2-ethoxymethylidene propanedioate,diethyl ethoxymethylidene propanedioate PubChem CID: 6871 IUPAC Name: diethyl 2-(ethoxymethylidene)propanedioate SMILES: CCOC=C(C(=O)OCC)C(=O)OCC

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PubChem CID	6871
CAS	87-13-8
Molecular Weight (g/mol)	216.23
MDL Number	MFCD00009148
SMILES	CCOC=C(C(=O)OCC)C(=O)OCC
Synonym	diethyl ethoxymethylenemalonate,diethyl 2-ethoxymethylene malonate,ethoxymethylenemalonic acid diethyl ester,diethyl ethoxymethylene malonate,diethyl emme,propanedioic acid, ethoxymethylene-, diethyl ester,diethylethoxymethylenemalonate,1,3-diethyl 2-ethoxymethylidene propanedioate,diethyl ethoxymethylidene propanedioate
IUPAC Name	diethyl 2-(ethoxymethylidene)propanedioate
InChI Key	LTMHNWPUDSTBKD-UHFFFAOYSA-N
Molecular Formula	C₁₀H₁₆O₅

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Ethyl 4-bromo-3-ethoxy-2-butenoate, tech. 90%, stab. with sodium carbonate

CAS: 1116-50-3 Molecular Formula: C8H13BrO3 Molecular Weight (g/mol): 237.09 MDL Number: MFCD00051757 InChI Key: FYYMWILFRUUBCX-UHFFFAOYSA-N Synonym: ethyl 4-bromo-3-ethoxybut-2-enoate,ethyl 4-bromo-3-ethoxy-2-butenoate,ethyl 2e-4-bromo-3-ethoxybut-2-enoate,ethyl e-4-bromo-3-ethoxybut-2-enoate PubChem CID: 6376123 SMILES: CCOC(=O)C=C(CBr)OCC

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PubChem CID	6376123
CAS	1116-50-3
Molecular Weight (g/mol)	237.09
MDL Number	MFCD00051757
SMILES	CCOC(=O)C=C(CBr)OCC
Synonym	ethyl 4-bromo-3-ethoxybut-2-enoate,ethyl 4-bromo-3-ethoxy-2-butenoate,ethyl 2e-4-bromo-3-ethoxybut-2-enoate,ethyl e-4-bromo-3-ethoxybut-2-enoate
InChI Key	FYYMWILFRUUBCX-UHFFFAOYSA-N
Molecular Formula	C8H13BrO3

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5-Hydroxyquinoline, 99%

CAS: 578-67-6 Molecular Formula: C9H7NO Molecular Weight (g/mol): 145.161 MDL Number: MFCD00006792 InChI Key: GVNQVWJYDXOLST-UHFFFAOYSA-N Synonym: 5-hydroxyquinoline,quinolin-5-ol,5-quinolinol,5-chinolinol,ccris 4330,gyesayhwismzok-uhfffaoysa-n,5-hydroxyquinoline 5-quinolinol,quinolin-5-one,5-hyroxyquinoline,5-hydroxy quinoline PubChem CID: 11360 IUPAC Name: 1H-quinolin-5-one SMILES: C1=CC(=O)C2=CC=CNC2=C1

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PubChem CID	11360
CAS	578-67-6
Molecular Weight (g/mol)	145.161
MDL Number	MFCD00006792
SMILES	C1=CC(=O)C2=CC=CNC2=C1
Synonym	5-hydroxyquinoline,quinolin-5-ol,5-quinolinol,5-chinolinol,ccris 4330,gyesayhwismzok-uhfffaoysa-n,5-hydroxyquinoline 5-quinolinol,quinolin-5-one,5-hyroxyquinoline,5-hydroxy quinoline
IUPAC Name	1H-quinolin-5-one
InChI Key	GVNQVWJYDXOLST-UHFFFAOYSA-N
Molecular Formula	C9H7NO

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Antipyrine, 99%

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

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Mycophenolate mofetil, 98%

CAS: 128794-94-5 Molecular Formula: C₂₃H₃₁NO₇ Molecular Weight (g/mol): 433.5 InChI Key: RTGDFNSFWBGLEC-SYZQJQIISA-N Synonym: mycophenolate mofetil,cellcept,munoloc,myfenax,mycophenolic acid morpholinoethyl ester,tm-mmf,mycophenylate mofetil,mycophenolatemofetil,cellcept tn,unii-9242ecw6r0 PubChem CID: 5281078 ChEBI: CHEBI:8764 IUPAC Name: 2-morpholin-4-ylethyl (E)-6-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl)-4-methylhex-4-enoate SMILES: CC1=C(C(=C(C2=C1COC2=O)O)CC=C(C)CCC(=O)OCCN3CCOCC3)OC

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Specifications

PubChem CID	5281078
CAS	128794-94-5
Molecular Weight (g/mol)	433.5
ChEBI	CHEBI:8764
SMILES	CC1=C(C(=C(C2=C1COC2=O)O)CC=C(C)CCC(=O)OCCN3CCOCC3)OC
Synonym	mycophenolate mofetil,cellcept,munoloc,myfenax,mycophenolic acid morpholinoethyl ester,tm-mmf,mycophenylate mofetil,mycophenolatemofetil,cellcept tn,unii-9242ecw6r0
IUPAC Name	2-morpholin-4-ylethyl (E)-6-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl)-4-methylhex-4-enoate
InChI Key	RTGDFNSFWBGLEC-SYZQJQIISA-N
Molecular Formula	C₂₃H₃₁NO₇

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3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99%

CAS: 2892-51-5 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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PubChem CID	17913
CAS	2892-51-5
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

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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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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

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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Specifications

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

Vinylogous acids

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