Pimavanserin Impurity 19 CAS CATO-C4X-193819
| CAS No. | CATO-C4X-193819 |
| Molecular Formula | C18H21FN2O2 |
| Molecular Weight | 316.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H21FN2O2, Pimavanserin Impurity 19 contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 316.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Pimavanserin Impurity 19 (CAS CATO-C4X-193819) is a certified pharmaceutical impurity reference standard with the molecular formula C18H21FN2O2 and a molecular weight of 316.37 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Pimavanserin Impurity 19 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 | C18H21FN2O2 |
| Molecular Weight | 316.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Pimavanserin Standards
- Pimavanserin Impurity 36 (CAS 1983947-08-5)
- Pimavanserin Impurity 14 (CAS CATO-C4X-193814)
- Pimavanserin Impurity 27 (CAS CATO-C4X-193827)
- Pimavanserin Impurity 50 (CAS CATO-C4X-193850)
- Pimavanserin Impurity 67 (CAS CATO-C4X-193867)
- Pimavanserin Impurity 40 (CAS CATO-C4X-193840)
- Pimavanserin Impurity 12 (CAS CATO-C4X-193812)
- Pimavanserin Impurity 2 (CAS 103907-97-7)
Recommended Standards
- Teneligliptin impurity 30 (CAS CATO-C4X-176030)
- Safinamide Impurity 34 (CAS CATO-C4X-159034)
- Sulfadimethoxine-D6 (CAS 73068-02-7)
- Efinaconazole Impurity 31 (CAS CATO-C4X-124331)
- Pitavastatin Impurity 84 (CAS CATO-C4X-103784)
- Gabexate mesylate Impurity 2 (CAS CATO-C4X-32442)
- Esaxerenone Impurity 2 (CAS 880780-76-7)
- 3,8-Dimethyl-2-thioxo-2,3-dihydro-1H-purin-6(7H)-one (CAS 91725-06-3)
- Methyl 3-amino-2-(3,4,5-trifluorobenzyl)propanoate (CAS 1489051-72-0)
- Methyl 4-amino-3,6-dihydro-2,6-dioxo-3-(phenylmethyl)-1(2H)-pyrimidineacetate (CAS 565166-69-0)
- (S)-3-Cbz-amino-butylamine hydrochloride (CAS 1414960-61-4)
- Ethyl 1-(4-chlorophenyl)-5-hydroxy-4-methyl-1H-pyrazole-3-carboxylate (CAS 274253-03-1)
- Ethyl 3-amino-6,7-dimethoxyquinoline-2-carboxylate (CAS 690253-80-6)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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