| CAS No. | 338418-86-3 |
| Molecular Formula | C21H17Cl3N4O3 |
| Molecular Weight | 479.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of N'-[2-(4-Chlorophenoxy)ethanimidoyl]-4-(2,4-dichlorobenzoyl)-1-methyl-1H-pyrrole-2-carbohydrazide is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N'-[2-(4-Chlorophenoxy)ethanimidoyl]-4-(2,4-dichlorobenzoyl)-1-methyl-1H-pyrrole-2-carbohydrazide (CAS 338418-86-3) is a high-purity analytical reference standard with the molecular formula C21H17Cl3N4O3 and a molecular weight of 479.74 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, N'-[2-(4-Chlorophenoxy)ethanimidoyl]-4-(2,4-dichlorobenzoyl)-1-methyl-1H-pyrrole-2-carbohydrazide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 479.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), N'-[2-(4-Chlorophenoxy)ethanimidoyl]-4-(2,4-dichlorobenzoyl)-1-methyl-1H-pyrrole-2-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.
| Molecular Formula | C21H17Cl3N4O3 |
| Molecular Weight | 479.74 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |