6-Ethyl-1-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 1018053-14-9
| CAS No. | 1018053-14-9 |
| Molecular Formula | C17H17N3O3 |
| Molecular Weight | 311.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Ethyl-1-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
6-Ethyl-1-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1018053-14-9) is a high-purity analytical reference standard with the molecular formula C17H17N3O3 and a molecular weight of 311.34 g/mol.
6-Ethyl-1-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (C17H17N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H17N3O3 |
| Molecular Weight | 311.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- Methyl 6-(3-methoxyphenyl)-1,3-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011359-93-5)
- methyl 6-(4-methoxyphenyl)-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011371-10-0)
- 6-Ethyl-1-[(4-methoxyphenyl)methyl]-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1120284-75-4)
- 1-(2-Methoxyphenyl)-3-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)urea (CAS 1170599-55-9)
- 1-Ethyl-6-(3-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 937598-74-8)
- 2-((2-((4-Methoxyphenyl)amino)ethyl)amino)isoindoline-1,3-dione (CAS 856828-07-4)
- 2-(4-Methoxyphenyl)-1H-benzo[d]imidazol-1-yl dimethylcarbamate (CAS 866051-41-4)
- 4-[7-(4-Methoxyphenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]morpholine (CAS 320415-93-8)
Recommended Standards
- 3-(2-Benzyl-4-methyl-6-oxo-2H-pyrazolo[3,4-b]pyridin-7(6H)-yl)propanoic acid (CAS 1018165-30-4)
- N-(3-(Diethylamino)propyl)-2-((5-nitrofuran-2-yl)methylene)hydrazinecarboxamide (CAS 101858-16-6)
- Ac-p-Bz-D-Phe-OH (CAS 104504-42-9)
- 2-(((4-(Naphthalen-2-yloxy)phenyl)amino)methylene)malononitrile (CAS 1020251-85-7)
- 5-Cyclopropyl-2-isopropylthiophen-3-amine hydrochloride (CAS 2567558-12-5)
- 1-(4-Nitrobenzyl)pyridin-1-ium chloride (CAS 4329-72-0)
- 2,6-Dichlorotoluene-3,4,5-d3 (CAS 358731-95-0)
- (3aS,4S,6R,6aR)-6-(6-Hydroxy-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carboxylic acid (CAS 28440-13-3)
- N-cyclopropyl-1-ethyl-3-methyl-1H-pyrazole-5-carboxamide (CAS 1205451-52-0)
- 1-(4-Fluorophenyl)-3-(4-methoxyphenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-60-5)
- 5,7-Dibromo-1H-pyrazolo[4,3-b]pyridine (CAS 1956379-02-4)
- 3-Amino-1,3,4,5-tetrahydro-2H-benzazepin-2-one (CAS 86499-35-6)
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