Chlorphenamine EP Impurity D CAS 65676-21-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 65676-21-3 |
| Molecular Formula | C17H18ClN3 |
| Molecular Weight | 299.80 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Chlorphenamine EP Impurity D (CAS 65676-21-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H18ClN3. Molecular weight: 299.80 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H18ClN3 |
| Molecular Weight | 299.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorphenamine Standards
- Chlorphenamine impurity 50 (CAS CATO-C4X-118850)
- Chlorphenamine Impurity 62 (CAS CATO-C4X-118862)
- Chlorphenamine EP Impurity A (CAS 1246816-57-8)
- Chlorphenamine Oxide (CAS CATO-C4X-118833)
- Chlorphenamine impurity 54 (CAS CATO-C4X-118854)
- Chlorphenamine Impurity 7 (CAS 78180-89-9)
- Chlorphenamine Impurity 29 (CAS CATO-C4X-118829)
- Chlorphenamine impurity 57 (CAS CATO-C4X-118857)
Recommended Standards
- N-(tert-butyl)-2-(4-chlorophenyl)imidazo[1,2-a]pyridin-3-amine (CAS 601468-08-0)
- Metoclopramide Impurity 20 (CAS 58590-44-6)
- N-(3-Chlorophenyl)-2-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]acetamide (CAS 298215-36-8)
- Flubendazole EP Impurity G (CAS CATO-C4X-24387)
- Vancomycin EP Impurity L (CAS 79517-31-0)
- 6-Fluoro-4-oxo-7-(piperidin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 1707594-10-2)
- N-(4-ethylphenyl)-2-(1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)pyridine-3-sulfonamide (CAS 1251591-68-0)
- (2-oxotetrahydrofuran-3-yl)triphenylphosphonium bromide (CAS 28228-78-6)
- Methyl 3,3-dimethylindoline-2-carboxylate (CAS 1008267-29-5)
- Des-[Gly]31-Semaglutide (CAS CATO-C4X-2226156)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com