Roxadustat Impurity 26 CAS 2711953-58-9
| CAS No. | 2711953-58-9 |
| Molecular Formula | C17H12ClNO4 |
| Molecular Weight | 329.73 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Roxadustat Impurity 26 (C17H12ClNO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 329.73 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Roxadustat Impurity 26 (CAS 2711953-58-9) is a certified pharmaceutical impurity reference standard with the molecular formula C17H12ClNO4 and a molecular weight of 329.73 g/mol.
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 Roxadustat Impurity 26 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 | C17H12ClNO4 |
| Molecular Weight | 329.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Roxadustat Standards
- Roxadustat Impurity N4 (CAS 1421312-33-5)
- Roxadustat Impurity 23 (CAS CATO-C4X-221323)
- Roxadustat Impurity 77 (CAS CATO-C4X-221377)
- Roxadustat Impurity 78 (CAS CATO-C4X-221378)
- Roxadustat Impurity 44 (CAS CATO-C4X-221344)
- Roxadustat impurity 111 (CAS CATO-C4X-2213111)
- Roxadustat Impurity 90 (CAS CATO-C4X-221390)
- Roxadustat Impurity 9 (CAS 2244489-54-9)
Recommended Standards
- Lornoxicam Impurity 11 (CAS CATO-C4X-201611)
- Baclofen Impurity 61 (CAS CATO-C4X-101261)
- Benzyl 1-(4-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000577-09-2)
- Flurbiprofen Impurity 38 (CAS 26039-74-7)
- Nebivolol Impurity 101 (CAS CATO-C4X-1968101)
- Resmetirom impurity 70 (CAS CATO-C4X-291270)
- Drotaverine Impurity 3 (CAS CATO-C4X-24353)
- 3-((2-Cyclopentylethyl)amino)thietane 1,1-dioxide (CAS 1880318-64-8)
- Ethyl 2-bromo-4-(difluoromethyl)thiazole-5-carboxylate (CAS 1631960-99-0)
- Ethanesulfonic acid, 2-[1-[difluoro[(1,2,2-trifluoroethenyl)oxy]methyl]-1,2,2,2-tetrafluoroethoxy]-1,1,2,2-tetrafluoro-, potassium salt , polymer with 1,1,2,2-tetrafluoroethene (CAS 65086-49-9)
- Tin(II) bromide (CAS 10031-24-0)
- 1-Benzyl-1-methylbiguanide HCl (CAS 2123-07-1)
- 2-(4-Bromo-2-isopropyl-5-methylphenoxy)acetic acid (CAS 17693-39-9)
- Des-[Gly]31-Semaglutide(x TFA Salt) (CAS 873874-39-6(free base))
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