1-(2-Methyl-5,7-diphenylpyrazolo[1,5-a]pyridin-3-yl)ethanone CAS 89193-10-2
| CAS No. | 89193-10-2 |
| Molecular Formula | C22H18N2O |
| Molecular Weight | 326.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C22H18N2O, 1-(2-Methyl-5,7-diphenylpyrazolo[1,5-a]pyridin-3-yl)ethanone contains a steroid 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 326.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 1-(2-Methyl-5,7-diphenylpyrazolo[1,5-a]pyridin-3-yl)ethanone (CAS 89193-10-2), a certified reference material (molecular formula C22H18N2O, MW 326.39 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(2-Methyl-5,7-diphenylpyrazolo[1,5-a]pyridin-3-yl)ethanone 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 | C22H18N2O |
| Molecular Weight | 326.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 299406-03-4)
- 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 5646-98-0)
- 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 352208-55-0)
- 2-Methyl-3,5-diphenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 331739-46-9)
- 2,3-Diphenylpyrazolo[1,5-a]pyrimidine-6-carbaldehyde (CAS 1235439-22-1)
- 4-(3,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-yl)morpholine (CAS 890613-66-8)
- 3,8-Diphenylpyrazolo[5,1-c][1,2,4]triazin-4-amine (CAS 1306738-72-6)
- 2,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 331968-09-3)
Recommended Standards
- 1-(2-Amino-1-(3-phenoxyphenyl)ethyl)pyrrolidine-3-carboxylic acid (CAS 886363-87-7)
- 1,2,3,6,7,11b-Hexahydro-2-[(4-oxocyclohexyl)carbonyl]-4H-pyrazino[2,1-a]isoquinolin-4-one, 98% (CAS 57452-32-1)
- 1-(2-(Cyclopropylmethoxy)-6-(4-methoxybenzyloxy)phenyl)ethanone (CAS 405239-71-6)
- 1,3-Bis(4-methoxyphenyl)-2-propylpropane-1,3-dione (CAS 263717-49-3)
- 5-(4-Amino-2-methoxyphenoxy)-1-phenylpentan-1-one (CAS 15382-92-0)
- Methyl 1-{5-[(4-chlorophenyl)methyl]-4,6-dimethylpyrimidin-2-yl}-5-pentyl-1H-1,2,3-triazole-4-carboxylate (CAS 866040-44-0)
- Potassium hexabromoiridate(IV) (CAS 19121-78-9)
- 41787-64-8 Benzenemethanol, 3,4-dimethoxy-alpha-((methylamino)methyl)-, (R)- (R)-3,4-Dimethoxy-alpha-((methylamino)methyl)benzenemethanol (-)-Normacromerine (CAS 41787-64-8)
- N',N'-Dibenzyl-N-[(thiophen-2-yl)methyl]butanediamide (CAS 297149-74-7)
- 1-(3-Methylbut-2-en-1-yl)cyclobutane-1-carbaldehyde (CAS 1353004-19-9)
- 9-Ethyl-3,6-di(pyridin-4-yl)-9H-carbazole (CAS 1425940-32-4)
- 6-Fluoro-3-[(6-fluoro-4-hydroxyquinolin-3-yl)carbonyl]quinolin-4-ol (CAS 1864072-59-2)
- 3-(3,4-Dimethylphenyl)-1-(3-fluorophenyl)propan-1-one (CAS 898779-26-5)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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