Ethyl 3-cyclopropyl-6-hydroxy-2-(4-methoxyphenyl)-2h-pyrazolo[3,4-b]pyridine-4-carboxylate CAS 1160246-13-8
| CAS No. | 1160246-13-8 |
| Molecular Formula | C19H19N3O4 |
| Molecular Weight | 353.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 3-cyclopropyl-6-hydroxy-2-(4-methoxyphenyl)-2h-pyrazolo[3,4-b]pyridine-4-carboxylate is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 3-cyclopropyl-6-hydroxy-2-(4-methoxyphenyl)-2h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1160246-13-8) is a high-purity analytical reference standard with the molecular formula C19H19N3O4 and a molecular weight of 353.37 g/mol.
Based on its molecular formula C19H19N3O4, Ethyl 3-cyclopropyl-6-hydroxy-2-(4-methoxyphenyl)-2h-pyrazolo[3,4-b]pyridine-4-carboxylate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 353.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Ethyl 3-cyclopropyl-6-hydroxy-2-(4-methoxyphenyl)-2h-pyrazolo[3,4-b]pyridine-4-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C19H19N3O4 |
| Molecular Weight | 353.37 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- Ethyl 3-cyclopropyl-6-hydroxy-1-(4-methoxyphenyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1245807-76-4)
- Ethyl 3-cyclopropyl-6-ethyl-1-(4-fluorophenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1018053-54-7)
- Ethyl 3-cyclopropyl-6-ethyl-1-(2-fluorophenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1018150-92-9)
- 1-Cyclopropyl-6-fluoro-7-(4-methoxyphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 152247-02-4)
- 1-(2-(5-Cyclopropyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)-3-(thiophen-2-yl)urea (CAS 1797673-78-9)
- 1-Cyclopropyl-7-(2,6-dimethylpyridin-4-yl)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 123942-04-1)
- 1-(2-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)-3-(2-fluorophenyl)urea (CAS 1797138-77-2)
- 1-Cyclopropyl-1-(2-(thiophen-2-yl)ethyl)-3-(2-(trifluoromethyl)phenyl)urea (CAS 1396883-85-4)
Recommended Standards
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- 2,3-Dimethoxy-8-oxo-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline-13-carboxylic acid (CAS 1119451-14-7)
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- 5-(5-Cyclopropylisoxazol-3-yl)-1,3,4-oxadiazol-2-amine (CAS 1248908-01-1)
- 5-(1-aminoethyl)-2,3-dihydro-1H-1,2,4-triazol-3-one hydrochloride (CAS 879635-12-8)
- 2-(5-Chloromethyl-1H-imidazol-2-yl)pyridine (CAS 1053657-25-2)
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- 3-Bromo-5-fluoro-2-methylaniline (CAS 502496-36-8)
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- 5-Bromo-N,2-dimethylpyrimidin-4-amine (CAS 1256818-11-7)
- Semaglutide Impurity 180 (CAS CATO-C4X-2226180)
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