4-(4-Hydroxyphenyl)-3-methyl-1-phenyl-1h-indeno[1,2-b]pyrazolo[4,3-e]pyridin-5-one CAS 1016225-46-9
| CAS No. | 1016225-46-9 |
| Molecular Formula | C26H17N3O2 |
| Molecular Weight | 403.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 403.43 g/mol gives 4-(4-Hydroxyphenyl)-3-methyl-1-phenyl-1h-indeno[1,2-b]pyrazolo[4,3-e]pyridin-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(4-Hydroxyphenyl)-3-methyl-1-phenyl-1h-indeno[1,2-b]pyrazolo[4,3-e]pyridin-5-one (CAS 1016225-46-9), molecular formula C26H17N3O2 and molecular weight 403.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H17N3O2, 4-(4-Hydroxyphenyl)-3-methyl-1-phenyl-1h-indeno[1,2-b]pyrazolo[4,3-e]pyridin-5-one 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 403.43 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.
CATO manufactures 4-(4-Hydroxyphenyl)-3-methyl-1-phenyl-1h-indeno[1,2-b]pyrazolo[4,3-e]pyridin-5-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C26H17N3O2 |
| Molecular Weight | 403.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- N-(4-((phenylsulfinyl)methyl)phenyl)-4-(trifluoromethyl)benzamide (CAS 956263-13-1)
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- 4-Methyl-4,7-diazaspiro[2.5]Octan-5-one (CAS 1784502-23-3)
- (6-Fluoroquinolin-8-yl)methanol (CAS 1153757-10-8)
- 30-Crown-6 (1,6,11,16,21,26-Hexaoxacyclotriacontane) (CAS 64001-05-4)
- Lercanidipine Impurity 49 (CAS CATO-C4X-136449)
- Ethyl 7,7-dimethyl-6-oxooctanoate (CAS 898776-39-1)
- Trypan Blue (Technical Grade) (CAS 72-57-1)
- 1-(5-Bromopyrazin-2-yl)cyclopropanecarboxamide (CAS 1447607-05-7)
- 5-tert-Butyl-3-p-tolyl-1,2,4-oxadiazole (CAS 1020253-10-4)
- N-Boc-N-(3-piperidyl)cyclopropylamine (CAS 250275-24-2)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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