Vinylogous acids
4-Aminoantipyrine, ≥98.0%, MilliporeSigma™ Supelco™
MDL Number: MFCD00003145 Synonym: 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one; Ampyrone
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
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
Indole-7-carboxylic acid, 97%
CAS: 1670-83-3 Molecular Formula: C9H7NO2 Molecular Weight (g/mol): 161.16 MDL Number: MFCD00210442 InChI Key: IPDOBVFESNNYEE-UHFFFAOYSA-N Synonym: indole-7-carboxylic acid,7-indolecarboxylic acid,indole-7-carboxylicacid,zlchem 444,pubchem2475,7-carboxyindole,acmc-209dvl,indole-7-carboxlic acid,indole 7-carboxylic acid,1h-indole-7-carboxylicacid PubChem CID: 74281 IUPAC Name: 1H-indole-7-carboxylic acid SMILES: C1=CC2=C(C(=C1)C(=O)O)NC=C2
1H-Pyrazole-4-carboxylic acid, 97%
CAS: 37718-11-9 Molecular Formula: C4H4N2O2 Molecular Weight (g/mol): 112.088 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
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.
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
1-Methyl-1H-pyrazole-4-carboxylic acid, 97%
CAS: 5952-92-1 Molecular Formula: C5H6N2O2 Molecular Weight (g/mol): 126.11 InChI Key: UPPPWUOZCSMDTR-UHFFFAOYSA-N Synonym: 1-methyl-1h-pyrazole-4-carboxylic acid,1-methyl-4-pyrazolecarboxylic acid,1h-pyrazole-4-carboxylic acid, 1-methyl,4-carboxy-1-methyl-1h-pyrazole,1-methyl-pyrazole-4-carboxylic acid,1-methylpyrazole-4-carboxylicacid,zlchem 1243,pubchem16306,pubchem20860,acmc-209me3 PubChem CID: 643160 ChEBI: CHEBI:74741 IUPAC Name: 1-methylpyrazole-4-carboxylic acid SMILES: CN1C=C(C=N1)C(=O)O
1-Phenyl-1H-pyrazole-4-carboxylic acid, 99%
CAS: 1134-50-5 Molecular Formula: C10H8N2O2 Molecular Weight (g/mol): 188.186 MDL Number: MFCD00514518 InChI Key: ZROILLPDIUNLSE-UHFFFAOYSA-N Synonym: 1-phenyl-1h-pyrazole-4-carboxylic acid,pyrazole-4-carboxylic acid, 1-phenyl,1h-pyrazole-4-carboxylic acid, 1-phenyl,1-phenylpyrazole-4-carboxylate,1-phenyl-1h-pyrazol-4-carboxylic acid,pyrazole, 1,1-phenyl-1h-pyrazole-4-carboxylicacid,akos pao-0321,acmc-1c9e6 PubChem CID: 121026 IUPAC Name: 1-phenylpyrazole-4-carboxylic acid SMILES: C1=CC=C(C=C1)N2C=C(C=N2)C(=O)O
5-Phenyl-1H-pyrazole-4-carboxylic acid, 97%
CAS: 5504-65-4 Molecular Formula: C10H8N2O2 Molecular Weight (g/mol): 188.19 MDL Number: MFCD06798067,MFCD03834501 InChI Key: LGTJKUYVFSBOMC-UHFFFAOYSA-N Synonym: 3-phenyl-1h-pyrazole-4-carboxylic acid,3-phenylpyrazole-4-carboxylic acid,3-phenyl-2h-pyrazole-4-carboxylic acid,5-phenylpyrazole-4-carboxylic acid PubChem CID: 4138562 IUPAC Name: 5-phenyl-1H-pyrazole-4-carboxylic acid SMILES: OC(=O)C1=C(NN=C1)C1=CC=CC=C1
![4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-3-carboxylic acid, 97%](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-307307-97-7.jpg-250.jpg)
4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-3-carboxylic acid, 97%
CAS: 307307-97-7 Molecular Formula: C8H10N2O2 Molecular Weight (g/mol): 166.18 MDL Number: MFCD09056813 InChI Key: VOAKNFVZEGNOKV-UHFFFAOYSA-N Synonym: 4,5,6,7-tetrahydropyrazolo 1,5-a pyridine-3-carboxylic acid,4h,5h,6h,7h-pyrazolo 1,5-a pyridine-3-carboxylic acid,pyrazolo 1,5-a pyridine-3-carboxylic acid, 4,5,6,7-tetrahydro,4,5,6,7-tetrahydro-pyrazolo 1,5-a pyridine-3-carboxylic acid,pubchem23924,4,5,6,7-tetrahydropyrazolo 1,5-a pyridine-3-carbox,4?5?6?7-tetrahydropyrazolo 1?5-a pyridine-3-carboxylic acid,pyrazolo 1,5-a pyridine-3-carboxylicacid, 4,5,6,7-tetrahydro PubChem CID: 21941376 IUPAC Name: 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxylic acid SMILES: C1CCN2C(=C(C=N2)C(=O)O)C1
3-O-Ethyl-L-ascorbic Acid 98.0+%, TCI America™
CAS: 86404-04-8 Molecular Formula: C8H12O6 Molecular Weight (g/mol): 204.178 MDL Number: MFCD09261382 InChI Key: ZGSCRDSBTNQPMS-UJURSFKZSA-N PubChem CID: 150736 IUPAC Name: (2R)-2-[(1S)-1,2-dihydroxyethyl]-3-ethoxy-4-hydroxy-2H-furan-5-one SMILES: CCOC1=C(C(=O)OC1C(CO)O)O
Pyrazole-4-carboxylic Acid 98.0+%, TCI America™
CAS: 37718-11-9 Molecular Formula: C4H4N2O2 Molecular Weight (g/mol): 112.088 MDL Number: MFCD00077436 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
![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.