Nifuratel Impurity 34 CAS CATO-C4X-127234
| CAS No. | CATO-C4X-127234 |
| Molecular Formula | C9H13N3O4S |
| Molecular Weight | 259.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Nifuratel Impurity 34 (CAS CATO-C4X-127234), a pharmacopoeial impurity reference standard (molecular formula C9H13N3O4S, MW 259.28 g/mol) used for the identification and quantification of trace impurities in APIs.
Nifuratel Impurity 34 (C9H13N3O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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).
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.
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 | C9H13N3O4S |
| Molecular Weight | 259.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nifuratel Standards
- Nifuratel Impurity 3 (CAS CATO-C4X-12723)
- Nifuratel Impurity 6 (CAS 41359-15-3)
- Nifuratel Impurity 5 (CAS 34143-33-4)
- Nifuratel Impurity 18 (CAS CATO-C4X-127218)
- Nifuratel Impurity 19 (CAS CATO-C4X-127219)
- Nifuratel Impurity 33 (CAS 859445-34-4)
- Nifuratel (CAS 4936-47-4)
- Nifuratel Impurity 20 (CAS CATO-C4X-127220)
Recommended Standards
- Sulpiride EP Impurity C (CAS 33045-53-3)
- Lamivudine Impurity 22 (CAS CATO-C4X-119422)
- 3-(3-Methoxyphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidine-7-thione (CAS 1082437-20-4)
- Lamivudine Impurity 21 (CAS CATO-C4X-119421)
- Posaconazole Impurity 63 (CAS CATO-C4X-120863)
- Lomefloxacin Impurity 14 (CAS CATO-C4X-207314)
- Bedaquiline Impurity 32 (CAS CATO-C4X-116732)
- cis-(1,2-Diamino-4-nitrobenzene)dichloroplatinum(II) (CAS 72596-02-2)
- Cariprazine Impurity 53 (CAS CATO-C4X-240853)
- N-methyl-3-(piperidin-4-yl)thieno[2,3-b]pyridine-2-carboxamide dihydrochloride (CAS 1361116-00-8)
- 3-(Bromomethyl)-5-(difluoromethyl)-1-methyl-1H-pyrazole (CAS 2167461-71-2)
- 2-Difluoromethoxy-6-(trifluoromethyl)pyridine (CAS 1214344-34-9)
- 2-((1H-Imidazol-2-yl)thio)ethan-1-ol (CAS 1314953-79-1)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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