N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-4-(2,4-dichlorobenzoyl)-1H-pyrrole-2-carbohydrazide CAS 338403-48-8
| CAS No. | 338403-48-8 |
| Molecular Formula | C18H10Cl3F3N4O2 |
| Molecular Weight | 477.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-4-(2,4-dichlorobenzoyl)-1H-pyrrole-2-carbohydrazide (CAS 338403-48-8) is a high-purity analytical reference standard with the molecular formula C18H10Cl3F3N4O2 and a molecular weight of 477.65 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-4-(2,4-dichlorobenzoyl)-1H-pyrrole-2-carbohydrazide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 477.65 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).
As a certified reference material (CRM), N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-4-(2,4-dichlorobenzoyl)-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.
Physical & Chemical Properties
| Molecular Formula | C18H10Cl3F3N4O2 |
| Molecular Weight | 477.65 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) | 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 N Standards
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- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)phenyl naphthalene-2-sulfonate (CAS 338415-85-3)
- 4-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)-N-(4-methoxyphenyl)-1,3-thiazol-2-amine (CAS 1024375-85-6)
- (2E)-1-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}-2-phenyl-3-(thiophen-2-yl)prop-2-en-1-one (CAS 478079-01-5)
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Recommended Standards
- Bis(hexafluoroacetylacetonato)copper(II) (CAS 14781-45-4)
- Epothilone C (CAS 186692-73-9)
- Bilastine Impurity 67 (CAS 1181267-38-8)
- 1-(Phenyl(piperidin-1-yl)methyl)naphthalen-2-yl 4-(tert-butyl)benzoate (CAS 301193-80-6)
- 4-Chloro-6-fluoro-7-methylquinoline-3-carbonitrile (CAS 1446282-09-2)
- (2S,4R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-((tert-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid (CAS 273222-06-3)
- 6-Bromo-3-cyclopropoxy-2-methylpyridine (CAS 1243386-95-9)
- 1-(Cyclobutanecarbonyl)-3-(3,5-dichlorophenyl)imidazolidine-2,4-dione (CAS 67387-65-9)
- 5-Methyl-6-oxo-1,4,5,6-tetrahydropyrazine-2,3-dicarbonitrile (CAS 57444-05-0)
- 3-Methyl-1-(propane-2-sulfonyl)piperidin-4-amine (CAS 1376343-23-5)
- (4-Fluoro-3-(4-methylpiperidine-1-carbonyl)phenyl)boronic acid (CAS 1449135-54-9)
- 1-(Thiophen-2-yl)octane-1,3-dione (CAS 214219-63-3)
- (2-Fluoro-6-propylpyridin-3-yl)boronic acid (CAS 2225175-66-4)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
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