Vinylogous acids
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
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.
![Dibenzo[B,E]Thiepin-11(6H)-one, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™](https://assets.fishersci.com/TFS-Assets/CCG/Sigma-Aldrich/product-images/BP114.jpg-250.jpg)
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.
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
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 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
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
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
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
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
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
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
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
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
4-Hydroxy-6-methyl-2-pyrone, 98%
CAS: 675-10-5 Molecular Formula: C6H6O3 Molecular Weight (g/mol): 126.11 MDL Number: MFCD00006641,MFCD18820248 InChI Key: OOKCZXGEYPSNIM-UHFFFAOYSA-N Synonym: 4-hydroxy-6-methyl-2-pyrone,2-hydroxy-6-methyl-4h-pyran-4-one,4-hydroxy-6-methyl-2h-pyran-2-one,triacetic acid lactone,triacetate lactone,2h-pyran-2-one, 4-hydroxy-6-methyl,6-methyl-4-hydroxypyron-2,unii-s1s883s4ee,6-methyl-4-hydroxy-2-pyrone,ccris 3600 PubChem CID: 54675757 ChEBI: CHEBI:16458 IUPAC Name: 4-hydroxy-6-methylpyran-2-one SMILES: CC1=CC(=O)C=C(O)O1