Vinylogous acids

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.

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.

Allopurinol Impurity D, 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.

2,2,6-Trimethyl-4H-1,3-dioxin-4-one, 94%

CAS: 5394-63-8 Molecular Formula: C₇H₁₀O₃ Molecular Weight (g/mol): 142.15 MDL Number: MFCD00040468 InChI Key: XFRBXZCBOYNMJP-UHFFFAOYSA-N Synonym: 2,2,6-trimethyl-4h-1,3-dioxin-4-one,2,2,4-trimethyl-6-keto-1,3-dioxin,diketene acetone adduct,4h-1,3-dioxin-4-one, 2,2,6-trimethyl,2,2,6-trimethyl-1,3-dioxen-4-one,2,2,6-trimethyl-1,3-dioxine-4-one,2,2,6-trimethyl-1,3 dioxin-4-one,pubchem20364,2,2,6-trimethyl-4h-1,3-dioxin-4-on,acmc-1akcb PubChem CID: 79368 IUPAC Name: 2,2,6-trimethyl-1,3-dioxin-4-one SMILES: CC1=CC(=O)OC(O1)(C)C

Ethyl 2-amino-1-cyclopentene-1-carboxylate, 99%, Thermo Scientific™

Ethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate, 96%

CAS: 4815-29-6 Molecular Formula: C10H13NO2S Molecular Weight (g/mol): 211.28 MDL Number: MFCD00102063 InChI Key: BOJXCJDYZJSPMZ-UHFFFAOYSA-N Synonym: ethyl 2-amino-5,6-dihydro-4h-cyclopenta b thiophene-3-carboxylate,2-amino-5,6-dihydro-4h-cyclopenta b thiophene-3-carboxylic acid ethyl ester,ethyl 2-amino-4h,5h,6h-cyclopenta b thiophene-3-carboxylate,ethyl 2-aminocyclopenta b thiophene-3-carboxylate,ethyl 2-amino-5,6-dihydro-4h-cyclopenta b-thiophene-3-carboxylate,4h-cyclopenta b thiophene-3-carboxylic acid, 2-amino-5,6-dihydro-, ethyl ester,ethyl 2-amino-4,5,6-trihydrocyclopenta 1,2-b thiophene-3-carboxylate,enamine_004067,ethyl 2-aminocyclopentathiophene-3-carboxylate PubChem CID: 264105 IUPAC Name: ethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate SMILES: CCOC(=O)C1=C(N)SC2=C1CCC2

Methyl 2-aminothiophene-3-carboxylate, 97%

CAS: 4651-81-4 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00159547 InChI Key: DGGJQLCAYQCPDD-UHFFFAOYSA-N Synonym: methyl 2-amino-3-thenoate,methyl 2-amino-3-thiophenecarboxylate,2-amino-3-methoxycarbonylthiophene,methyl2-aminothiophene-3-carboxylate,2-amino-thiophene-3-carboxylic acid methyl ester,3-thiophenecarboxylic acid, 2-amino-, methyl ester,zlchem 402,pubchem5551,maybridge1_003714,2-amino-thiophene-3-carboxylicacidmethylester PubChem CID: 78381 IUPAC Name: methyl 2-aminothiophene-3-carboxylate SMILES: COC(=O)C1=C(N)SC=C1

4-Aminoantipyrine, BAKER™, J.T. Baker™

4-Aminoantipyrine, ≥98.0%, MilliporeSigma™ Supelco™

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

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

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

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

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

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

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