Vinylogous acids
Hypoxanthine 98.0+%, TCI America™
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: 6,7-dihydro-3H-purin-6-one SMILES: O=C1N=CNC2=C1NC=N2
5-Diazo-2,2-dimethyl-1,3-dioxane-4,6-dione 98.0+%, TCI America™
CAS: 7270-63-5 Molecular Formula: C6H6N2O4 Molecular Weight (g/mol): 170.124 MDL Number: MFCD00059899 InChI Key: YRCVEMYVKSXPLM-UHFFFAOYSA-N Synonym: 5-Diazomeldrum′Cs Acid, Diazomalonic Acid Cyclic Isopropylidine Ester, cycl-Isopropylidene Diazomalonate PubChem CID: 536077 IUPAC Name: 5-diazonio-2,2-dimethyl-6-oxo-1,3-dioxin-4-olate SMILES: CC1(OC(=C(C(=O)O1)[N+]#N)[O-])C
Methyl 3-Hydroxy-2-thiophenecarboxylate 97.0+%, TCI America™
CAS: 5118-06-9 Molecular Formula: C6H6O3S Molecular Weight (g/mol): 158.17 MDL Number: MFCD00055642 InChI Key: FYOPNADYSPZUAT-WAYWQWQTSA-N Synonym: methyl 3-hydroxy-2-thiophenecarboxylate,3-hydroxy-2-thiophenecarboxylic acid methyl ester,3-hydroxy-thiophene-2-carboxylic acid methyl ester,3-hydroxythiophene-2-carboxylic acid methyl ester,pubchem7744,acmc-1aqhj,maybridge3_005989,3-hydroxy-2-methoxycarbonylthiophene,3-hydroxy-2-methoxycarbonyl-thiophene,methyl 3-hydroxythiophen-2-caboxylate PubChem CID: 581127 IUPAC Name: methyl 3-hydroxythiophene-2-carboxylate SMILES: COC(=O)C1=C(C=CS1)O
Diethyl 5-Amino-3-methyl-2,4-thiophenedicarboxylate 98.0+%, TCI America™
CAS: 4815-30-9 Molecular Formula: C11H15NO4S Molecular Weight (g/mol): 257.30 MDL Number: MFCD00005450 InChI Key: DGVXLHAJVRRLGV-UHFFFAOYSA-N Synonym: diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate,2,4-diethyl 5-amino-3-methylthiophene-2,4-dicarboxylate,diethyl 2-amino-4-methylthiophene-3,5-dicarboxylate,diethyl 5-amino-3-methyl-thiophene-2,4-dicarboxylate,diethyl5-amino-3-methylthiophene-2,4-dicarboxylate,2,4-thiophenedicarboxylic acid, 5-amino-3-methyl-, diethyl ester,2-amino-3,5-bis ethoxycarbonyl-4-methylthiophene,5-amino-3-methyl-thiophene-2,4-dicarboxylic acid diethyl ester,2-amino-4-methyl-3,5-bis ethoxycarbonyl thiophene,diethyl 5-amino-3-methyl-2,4-thiophene dicarboxylate PubChem CID: 78537 IUPAC Name: 2,4-diethyl 5-amino-3-methylthiophene-2,4-dicarboxylate SMILES: CCOC(=O)C1=C(C)C(C(=O)OCC)=C(N)S1
Diethyl 3,5-Dimethyl-2,4-pyrroledicarboxylate 98.0+%, TCI America™
CAS: 2436-79-5 Molecular Formula: C12H17NO4 Molecular Weight (g/mol): 239.271 MDL Number: MFCD00005218 InChI Key: XSBSXJAYEPDGSF-UHFFFAOYSA-N PubChem CID: 75526 IUPAC Name: diethyl 3,5-dimethyl-1H-pyrrole-2,4-dicarboxylate SMILES: CCOC(=O)C1=C(NC(=C1C)C(=O)OCC)C
Croconic Acid 98.0+%, TCI America™
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
2,3-Dimethyl-1-phenyl-5-pyrazolone 99.0+%, TCI America™
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
1-Methyl-3-(trifluoromethyl)pyrazole-4-carboxylic Acid 98.0+%, TCI America™
CAS: 113100-53-1 Molecular Formula: C6H5F3N2O2 Molecular Weight (g/mol): 194.113 MDL Number: MFCD01936005 InChI Key: FZNKJQNEJGXCJH-UHFFFAOYSA-N Synonym: 1-methyl-3-trifluoromethyl-1h-pyrazole-4-carboxylic acid,1-methyl-3-trifluoromethyl pyrazole-4-carboxylic acid,3-trifluoromethyl-1-methyl-1h-pyrazole-4-carboxylic acid,1-methyl-3-trifluoromethyl-4-pyrazolecarboxylic acid,1-methyl-3-trifluoromethyl-1h-pyrazole-4-carboxy,1h-pyrazole-4-carboxylic acid, 1-methyl-3-trifluoromethyl,pubchem11402,acmc-1bscj,ksc183q3j PubChem CID: 2775665 IUPAC Name: 1-methyl-3-(trifluoromethyl)pyrazole-4-carboxylic acid SMILES: CN1C=C(C(=N1)C(F)(F)F)C(=O)O
![4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Hydrate 98.0+%, TCI America™](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-137281-39-1.jpg-250.jpg)
4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Hydrate 98.0+%, TCI America™
CAS: 137281-39-1 Molecular Formula: C15H14N4O3 Molecular Weight (g/mol): 298.30 MDL Number: MFCD11040439 InChI Key: AIZPFZIKHIJCQX-UHFFFAOYSA-N Synonym: 2-Amino-4,7-dihydro-5-[2-[4-(carboxy)phenyl]ethyl]-4-oxo-3H-pyrrolo[2,3-d]pyrimidine PubChem CID: 9796279 IUPAC Name: 4-(2-{2-amino-4-oxo-1H,4H,7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethyl)benzoic acid SMILES: NC1=NC(=O)C2=C(NC=C2CCC2=CC=C(C=C2)C(O)=O)N1
Guanine Hydrochloride Hydrate 98.0+%, TCI America™
CAS: 635-39-2 Molecular Formula: C5H6ClN5O Molecular Weight (g/mol): 187.59 MDL Number: MFCD00213670 InChI Key: IBAOFQIOOBQLHE-UHFFFAOYSA-N Synonym: guanine hydrochloride,guanine hcl,2-amino-1h-purin-6 7h-one hydrochloride,guanine, monohydrochloride,usaf s-1,guanine, hydrochloride,6h-purin-6-one, 2-amino-1,7-dihydro-, monohydrochloride,2-amino-9h-purin-6-ol hydrochloride 1:1,6h-purin-6-one, 2-amino-1,9-dihydro-, hydrochloride 1:1,2-amino-3,7-dihydropurin-6-one hydrochloride PubChem CID: 69459 IUPAC Name: 2-amino-6,7-dihydro-3H-purin-6-one hydrochloride SMILES: Cl.NC1=NC(=O)C2=C(N1)N=CN2
2,5-Dimethyl-4-methoxy-3(2H)-furanone 97.0+%, TCI America™
CAS: 4077-47-8 Molecular Formula: C7H10O3 Molecular Weight (g/mol): 142.15 MDL Number: MFCD00209504 InChI Key: SIMKGHMLPVDSJE-UHFFFAOYNA-N PubChem CID: 61325 IUPAC Name: 4-methoxy-2,5-dimethyl-2,3-dihydrofuran-3-one SMILES: COC1=C(C)OC(C)C1=O
![Thieno[3,2-d]pyrimidin-4(1H)-one 98.0+%, TCI America™](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-16234-10-9.jpg-250.jpg)
Thieno[3,2-d]pyrimidin-4(1H)-one 98.0+%, TCI America™
CAS: 16234-10-9 Molecular Formula: C6H4N2OS Molecular Weight (g/mol): 152.171 MDL Number: MFCD00122140 InChI Key: PZMKGWRBZNOIPQ-UHFFFAOYSA-N PubChem CID: 2760611 IUPAC Name: 1H-thieno[3,2-d]pyrimidin-4-one SMILES: C1=CSC2=C1NC=NC2=O
2,2,6-Trimethyl-1,3-dioxin-4-one 95.0+%, TCI America™
CAS: 5394-63-8 Molecular Formula: C7H10O3 Molecular Weight (g/mol): 142.154 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
![Dibenzo[b,f][1,4]thiazepin-11(10H)-one 98.0+%, TCI America™](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-3159-07-7.jpg-250.jpg)
Dibenzo[b,f][1,4]thiazepin-11(10H)-one 98.0+%, TCI America™
CAS: 7-7-3159 Molecular Formula: C13H9NOS Molecular Weight (g/mol): 227.28 MDL Number: MFCD00901197 InChI Key: RTERDTBXBYNZIS-UHFFFAOYSA-N PubChem CID: 374829 IUPAC Name: 5H-benzo[b][1,4]benzothiazepin-6-one SMILES: C1=CC=C2C(=C1)C(=O)NC3=CC=CC=C3S2
2-Methyl-4(1H)-quinazolinone 98.0+%, TCI America™
CAS: 1769-24-0 Molecular Formula: C9H8N2O Molecular Weight (g/mol): 160.18 MDL Number: MFCD00006887,MFCD05270928 InChI Key: FIEYHAAMDAPVCH-UHFFFAOYSA-N PubChem CID: 15674 IUPAC Name: 2-methyl-1,4-dihydroquinazolin-4-one SMILES: CC1=NC(=O)C2=CC=CC=C2N1