Vinylogous acids

4-Aminoantipyrine, 98%

CAS: 83-07-8 Molecular Formula: C₁₁H₁₃N₃O Molecular Weight (g/mol): 203.25 MDL Number: MFCD00003145 InChI Key: RLFWWDJHLFCNIJ-UHFFFAOYSA-N Synonym: 4-aminoantipyrine,ampyrone,metapirazone,aminoantipyrine,solvapyrin-a,aminoazophene,4-aminophenazone,4-aminoantipyrene,aminoantipyrin,solnapyrin-a PubChem CID: 2151 ChEBI: CHEBI:59026 IUPAC Name: 4-amino-1,5-dimethyl-2-phenylpyrazol-3-one SMILES: CC1=C(C(=O)N(N1C)C2=CC=CC=C2)N

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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

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

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

Methyl 4-bromo-3-hydroxythiophene-2-carboxylate, 97%

CAS: 95201-93-7 Molecular Formula: C6H5BrO3S Molecular Weight (g/mol): 237.067 MDL Number: MFCD00052081 InChI Key: UFTXASQYKJFRKI-UHFFFAOYSA-N Synonym: 2z-4-bromo-2-hydroxy methoxy methylidene thiophen-3-one,2-thiophenecarboxylic acid, 4-bromo-3-hydroxy-, methyl ester,acmc-20akgk,maybridge1_004012,methyl 4-bromo-3-hydroxy-2-thiophenecarboxylate,methyl-3-hydroxy-4-bromo-2-thiophenecarboxylate,methyl-4-bromo-3-hydroxy-2-thiophenecarboxylate,4-bromo-3-oxo-2-thienylidene-methoxy-methanolate,4-bromo-2-hydroxy methoxy methylidene thiophen-3-one,2-thiophenecarboxylicacid,4-bromo-3-hydroxy-,methyl ester PubChem CID: 2777611 IUPAC Name: methyl 4-bromo-3-hydroxythiophene-2-carboxylate SMILES: COC(=O)C1=C(C(=CS1)Br)O

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

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

Croconic acid, 98%

CAS: 488-86-8 Molecular Formula: C₅H₂O₅ Molecular Weight (g/mol): 142.066 MDL Number: MFCD00181389 InChI Key: RBSLJAJQOVYTRQ-UHFFFAOYSA-N Synonym: croconic acid,crocic acid,4,5-dihydroxy-4-cyclopentene-1,2,3-trione,unii-6hgy35uxaa,6hgy35uxaa,4-cyclopentene-1,2,3-trione, 4,5-dihydroxy,croconicacid,4,5-dihydroxy-4-cyclopentene-1,2,3-trione # PubChem CID: 546874 IUPAC Name: 4,5-dihydroxycyclopent-4-ene-1,2,3-trione SMILES: C1(=C(C(=O)C(=O)C1=O)O)O

Ethyl (E)-2-cyano-3-ethoxycrotonate, 98%

CAS: 932750-29-3 Molecular Formula: C9H13NO3 Molecular Weight (g/mol): 183.207 MDL Number: MFCD01743485 InChI Key: YKXFOGAYPIPTKF-BQYQJAHWSA-N Synonym: ethyl 2e-2-cyano-3-ethoxybut-2-enoate,ethyl e-2-cyano-3-ethoxycrotonate,ethyl 2-cyano-3-ethoxybut-2-enoate,2-butenoic acid, 2-cyano-3-ethoxy-, ethyl ester,ethyl e-2-cyano-3-ethoxybut-2-enoate,e-ethyl 2-cyano-3-ethoxybut-2-enoate,ethyl e-2-cyano-3-ethoxy-2-butenoate,e-2-cyano-3-ethoxycrotonic acid ethyl ester,e-2-cyano-3-ethoxy-2-butenoic acid ethyl ester PubChem CID: 6387109 IUPAC Name: ethyl (E)-2-cyano-3-ethoxybut-2-enoate SMILES: CCOC(=C(C#N)C(=O)OCC)C

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.

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

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.

Thermo Scientific Chemicals Khellin, 95%

CAS: 82-02-0 Molecular Formula: C14H12O5 Molecular Weight (g/mol): 260.25 InChI Key: HSMPDPBYAYSOBC-UHFFFAOYSA-N IUPAC Name: 4,9-dimethoxy-7-methyl-5H-furo[3,2-g]chromen-5-one SMILES: COC1=C2OC=CC2=C(OC)C2=C1OC(C)=CC2=O

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

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