Fenfluramine Impurity 5 HCl CAS 54779-55-4
| CAS No. | 54779-55-4 |
| Molecular Formula | C12H16F3N |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Fenfluramine Impurity 5 HCl.
Fenfluramine Impurity 5 HCl (CAS 54779-55-4) is a certified pharmaceutical impurity reference standard with the molecular formula C12H16F3NHCl and a molecular weight of 267.72 g/mol.
Owing to a nitrile group, fluorine/chlorine substitution, Fenfluramine Impurity 5 HCl is typically white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 267.72 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), Fenfluramine Impurity 5 HCl 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 | C12H16F3N HCl |
| Molecular Weight | 267.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Fenfluramine Standards
- Fenfluramine hydrochloride (CAS 16105-77-4)
- Nor-Fenfluramine (CAS 1886-26-6)
- Fenfluramine Impurity 1 (CAS 19023-40-6)
- Fenfluramine Impurity 2 (CAS 21235-67-6)
- Fenfluramine Impurity 4 (CAS 21906-39-8)
- (S)-(+)-Fenfluramine Hydrochloride (CAS 3239-45-0)
- (R)-(-)-Fenfluramine Hydrochloride (CAS 3616-78-2)
- R-Fenfluramine (CAS 37577-24-5)
Recommended Standards
- Dotinurad Impurity 75 (CAS 24526-98-5)
- Selexipag Impurity 59 (CAS CATO-C4X-196159)
- Upadacitinib Impurity 95 (CAS CATO-C4X-240595)
- 5-Methyl-2-(trifluoromethyl)cinnamic acid (CAS 1017779-24-6)
- (R)-2-(2-Boc-hydrazino)propanoic Acid (CAS 1456883-45-6)
- tert-Butyl endo-3-amino-9-azabicyclo[3.3.1]nonane-9-carboxylate (CAS 1887167-87-4)
- ethyl (3R,4R)-3-hydroxypiperidine-4-carboxylate (CAS 1932543-94-6)
- 2-(4-Fluorophenyl)-5-phenyl-1,3,4-oxadiazole (CAS 1580-50-3)
- Pyrimidine-2,4,5,6(1H,3H)-tetraone tetrahydrate (CAS 6010-91-9)
- Des-Ala21-Tirzepatide (CAS CATO-CPTD788952)
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