2,4-Dichloro-N-(2-((2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)amino)phenyl)benzamide CAS 338772-79-5
| CAS No. | 338772-79-5 |
| Molecular Formula | C21H16Cl3F3N4O |
| Molecular Weight | 503.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2,4-Dichloro-N-(2-((2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)amino)phenyl)benzamide (CAS 338772-79-5), molecular formula C21H16Cl3F3N4O and molecular weight 503.73 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,4-Dichloro-N-(2-((2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)amino)phenyl)benzamide (C21H16Cl3F3N4O) 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 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 503.73 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.
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 | C21H16Cl3F3N4O |
| Molecular Weight | 503.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Related Dichloro Standards
- 1-(2,6-Dichloro-4-(trifluoromethyl)phenyl)-5-(3,4-dichlorophenyl)-4-(methylsulfonyl)-1H-pyrazole (CAS 400088-06-4)
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