Lesinurad Impurity 41 CAS 1038366-57-2
| CAS No. | 1038366-57-2 |
| Molecular Formula | C14H11N3O2S |
| Molecular Weight | 285.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Lesinurad Impurity 41 (C14H11N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 285.32 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a process- or degradation-related impurity, Lesinurad Impurity 41 (CAS 1038366-57-2, C14H11N3O2S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
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 manufactures Lesinurad Impurity 41 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H11N3O2S |
| Molecular Weight | 285.32 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Lesinurad Standards
- Lesinurad Impurity 35 (CAS 1533519-86-6)
- Lesinurad Impurity 12 (CAS 878671-96-6)
- Lesinurad Impurity 21 (CAS 1533519-84-4)
- Lesinurad Impurity 4 (CAS 1547295-10-2)
- Lesinurad Impurity 14 (CAS 1533519-93-5)
- Lesinurad Impurity 7 (CAS CATO-C4X-14787)
- Lesinurad Impurity 12 (CAS CATO-C4X-147812)
- Lesinurad Impurity 9 (CAS 1533519-85-5)
Recommended Standards
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- 2-(2-Oxo-1,2-di(pyridin-2-yl)ethylidene)hydrazine-1-carbothioamide (CAS 108922-13-0)
- Febuxostat Impurity 49 (CAS 1206550-99-3)
- Perospirone Impurity 52 HCl (CAS CATO-C4X-245852)
- Umeclidinium Impurity 15 (CAS 2230024-91-4(free base))
- Frangulin (Mixture Of A + B)(As) (CAS 60529-33-1)
- 3-Hydroxyglutaric Acid (CAS 638-18-6)
- 2,7-Diazaspiro[4.4]nonan-1-one 2,2,2-trifluoroacetate (CAS 1956369-92-8)
- Raffinose (CAS 512-69-6)
- 2-(Aminomethyl)-7-azaindole (CAS 933691-76-0)
- 3-(3-Fluorophenyl)-2-methoxypyridine (CAS 1214342-88-7)
- [a-Glu](Side chain transposition)- Semaglutide (CAS CATO-C4X-2226111)
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