3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-methyl-4,5-dihydro-1H-pyrazol-5-one CAS 1025130-26-0
| CAS No. | 1025130-26-0 |
| Molecular Formula | C17H23N3O |
| Molecular Weight | 285.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-methyl-4,5-dihydro-1H-pyrazol-5-one 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.
3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-methyl-4,5-dihydro-1H-pyrazol-5-one (CAS 1025130-26-0) is a high-purity analytical reference standard with the molecular formula C17H23N3O and a molecular weight of 285.38 g/mol.
Structurally, 3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-methyl-4,5-dihydro-1H-pyrazol-5-one (C17H23N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 285.38 g/mol, it falls into the medium-molecular-weight range. 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).
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 | C17H23N3O |
| Molecular Weight | 285.38 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Recommended Standards
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- Custom peptides (CAS CATO-CPTD788509)
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