N'-benzoyl-5-(((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)methyl)-4,5-dihydroisoxazole-3-carbohydrazide CAS 321432-36-4
| CAS No. | 321432-36-4 |
| Molecular Formula | C18H15ClF3N5O3 |
| Molecular Weight | 441.79 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.
CATO supplies N'-benzoyl-5-(((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)methyl)-4,5-dihydroisoxazole-3-carbohydrazide (CAS 321432-36-4), a certified reference material (molecular formula C18H15ClF3N5O3, MW 441.79 g/mol) for analytical method development and quality control.
Structurally, N'-benzoyl-5-(((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)methyl)-4,5-dihydroisoxazole-3-carbohydrazide (C18H15ClF3N5O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 441.79 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.
As a certified reference material (CRM), N'-benzoyl-5-(((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)methyl)-4,5-dihydroisoxazole-3-carbohydrazide 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 | C18H15ClF3N5O3 |
| Molecular Weight | 441.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
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