Riluzole Impurity 14 CAS CATO-C4X-200914
| CAS No. | CATO-C4X-200914 |
| Molecular Formula | C9H4F3N3OS2 |
| Molecular Weight | 291.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Riluzole Impurity 14 (CAS CATO-C4X-200914), a pharmacopoeial impurity reference standard (molecular formula C9H4F3N3OS2, MW 291.27 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, Riluzole Impurity 14 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 291.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H4F3N3OS2 |
| Molecular Weight | 291.27 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Riluzole Standards
- Riluzole Impurity 7 (CAS 1456696-94-8)
- Riluzole Impurity 25 (CAS 442665-84-1)
- Riluzole Impurity 4 (CAS 144631-82-3)
- Riluzole Impurity 27 (CAS 2273706-77-5)
- Riluzole Impurity 26 (CAS CATO-C4X-200926)
- Riluzole Impurity 17 (CAS CATO-C4X-200917)
- Riluzole Impurity 6 (CAS 179070-90-7)
- Riluzole Impurity 22 (CAS CATO-C4X-200922)
Recommended Standards
- Enrofloxacin Impurity 13 (CAS 2388490-12-6)
- Nemonoxacin Impurity 98 (CAS 926279-66-5)
- Levofloxacin Impurity 18 (CAS 431058-46-7)
- 1-Ethyl-4-(3-(3-fluorophenyl)ureido)-1H-pyrazole-3-carboxamide (CAS 1006215-16-2)
- Clopidogrel Impurity 92 (CAS CATO-C4X-102992)
- Lamivudine Impurity 34 (CAS 389128-28-3)
- Roxadustat Impurity 33 (CAS 1455091-04-9)
- (S)-1,3-Dibenzylpiperazine (CAS 204327-96-8)
- 5-Hydrazinyl-3,6-diphenyl-1,2,4-triazine (CAS 108718-69-0)
- 1-(2-Chloro-4-fluorophenoxy)-3-(4-chlorobenzenesulfonyl)propan-2-ol (CAS 478079-78-6)
- p-Decyloxybenzylidene p-butylaniline (CAS 51749-29-2)
- 1-(1-Bromobutan-2-yl)-4-methylbenzene (CAS 1135264-28-6)
- Tapentadol EP Impurity D (CAS CATO-C4X-209920)
- Fibrinogen-Binding Peptide (CAS 137235-80-4)
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