4-(7-Methyl-4-oxo-2-phenyl-3-(1H-pyrrol-1-yl)-2,4-dihydro-5H-pyrazolo[3,4-d]pyridazin-5-yl)butanoic acid CAS 1112289-79-8
| CAS No. | 1112289-79-8 |
| Molecular Formula | C20H19N5O3 |
| Molecular Weight | 377.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 377.40 g/mol gives 4-(7-Methyl-4-oxo-2-phenyl-3-(1H-pyrrol-1-yl)-2,4-dihydro-5H-pyrazolo[3,4-d]pyridazin-5-yl)butanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(7-Methyl-4-oxo-2-phenyl-3-(1H-pyrrol-1-yl)-2,4-dihydro-5H-pyrazolo[3,4-d]pyridazin-5-yl)butanoic acid (CAS 1112289-79-8), molecular formula C20H19N5O3 and molecular weight 377.40 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-(7-Methyl-4-oxo-2-phenyl-3-(1H-pyrrol-1-yl)-2,4-dihydro-5H-pyrazolo[3,4-d]pyridazin-5-yl)butanoic acid (C20H19N5O3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 4-(7-Methyl-4-oxo-2-phenyl-3-(1H-pyrrol-1-yl)-2,4-dihydro-5H-pyrazolo[3,4-d]pyridazin-5-yl)butanoic 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.
Physical & Chemical Properties
| Molecular Formula | C20H19N5O3 |
| Molecular Weight | 377.40 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 5 |
Recommended Standards
- 2-(2-((tert-Butyldimethylsilyl)oxy)propan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1093878-52-4)
- 7-(4-Methoxybenzyl)-5-methyl-3-(phenylamino)-2H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione, 97% (CAS 1160521-51-6)
- 4-({4-[3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1H-imidazol-1-yl}methyl)aniline (CAS 1031606-14-0)
- (E)-3-Dimethylamino-1-[4-(6-dimethylamino-4-trifluoro-methyl-pyridin-2-yl)-phenyl]-but-2-en-1-one (CAS 1311283-92-7)
- 1-(4-Methoxy-3-(2,2,2-trifluoroethoxy)phenyl)-N-methylmethanamine (CAS 1095181-50-2)
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