1-(4-chloro-3,5-diphenylpyrazolo[3,4-c]pyridazin-1-yl)-2-methylpropan-2-ol CAS 1404506-35-9
| CAS No. | 1404506-35-9 |
| Molecular Formula | C21H39ClN4O |
| Molecular Weight | 399.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(4-chloro-3,5-diphenylpyrazolo[3,4-c]pyridazin-1-yl)-2-methylpropan-2-ol (CAS 1404506-35-9), molecular formula C21H39ClN4O and molecular weight 399.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(4-chloro-3,5-diphenylpyrazolo[3,4-c]pyridazin-1-yl)-2-methylpropan-2-ol (C21H39ClN4O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 399.01 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 1-(4-chloro-3,5-diphenylpyrazolo[3,4-c]pyridazin-1-yl)-2-methylpropan-2-ol 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 | C21H39ClN4O |
| Molecular Weight | 399.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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