Trihexyphenidyl Impurity 16 CAS 2724762-69-8
| CAS No. | 2724762-69-8 |
| Molecular Formula | C20H25NO2 |
| Molecular Weight | 311.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO supplies Trihexyphenidyl Impurity 16 (CAS 2724762-69-8), a pharmacopoeial impurity reference standard (molecular formula C20H25NO2, MW 311.42 g/mol) used for the identification and quantification of trace impurities in APIs.
Trihexyphenidyl Impurity 16 (C20H25NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Trihexyphenidyl Impurity 16 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 | C20H25NO2 |
| Molecular Weight | 311.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 1 |
Related Trihexyphenidyl Standards
- (R)-Trihexyphenidyl (CAS 40520-25-0)
- Trihexyphenidyl impurity 17 (CAS 19734-59-9)
- Trihexyphenidyl Impurity 18 (CAS CATO-C4X-185718)
- Trihexyphenidyl impurity 15 (CAS 952-51-2)
- Trihexyphenidyl Impurity 13 (CAS 4352-39-0)
- Trihexyphenidyl Impurity 19 (CAS 5557-93-7)
- Trihexyphenidyl Impurity 20 (CAS 1129-29-9)
- Trihexyphenidyl Impurity 21 (CAS CATO-C4X-185721)
Recommended Standards
- Hydrocortisone Impurity 38 (CAS 83196-56-9)
- Dienogest (CAS 65928-58-7)
- Tamoxifen EP Impurity G (CAS 68047-07-4)
- 17-epi-Dienogest (CAS CATO-C4X-229516)
- Rivaroxaban Impurity 173 (CAS CATO-C4X-1090173)
- Fexofenadine EP Impurity F (CAS 185066-33-5)
- Deoxycholic acid Impurity 5 (CAS CATO-C4X-33595)
- 9-Bromononanoic acid (CAS 41059-02-3)
- Ethyl 2-chloro-6-nitroquinoline-3-carboxylate (CAS 91538-58-8)
- 2-(Aminomethyl)benzimidazole Dihydrochloride Monohydrate (CAS 1155659-33-8)
- 2-(Difluoromethyl)-3-hydroxy-5-(trifluoromethyl)pyridine-4-carboxylic acid (CAS 1805088-55-4)
- n-(2-Bromo-5-chlorobenzyl)butan-2-amine (CAS 1465596-93-3)
- Tetradecan-7-ol (CAS 3981-79-1)
- Tau Peptide (304-318) trifluoroacetate salt (CAS 330456-49-0)
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 18665070610 / Nicole.chen@cato-chem.com