Selexipag Impurity 66 CAS CATO-C4X-196166
| CAS No. | CATO-C4X-196166 |
| Molecular Formula | C48H54N6O3 |
| Molecular Weight | 762.98 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C48H54N6O3, Selexipag Impurity 66 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 762.98 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Selexipag Impurity 66 (CAS CATO-C4X-196166), a pharmacopoeial impurity reference standard (molecular formula C48H54N6O3, MW 762.98 g/mol) used for the identification and quantification of trace impurities in APIs.
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 Selexipag Impurity 66 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 | C48H54N6O3 |
| Molecular Weight | 762.98 g/mol |
| Purity | ≥95% |
| Storage | Store in a cool place (≤25°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) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 6 |
Related Selexipag Standards
- Selexipag Impurity 72 (CAS CATO-C4X-196172)
- Selexipag Impurity 3 (CAS CATO-C4X-19613)
- Selexipag Impurity 20 (CAS CATO-C4X-196120)
- Selexipag Impurity 68 (CAS CATO-C4X-196168)
- Selexipag Impurity 1 (CAS CATO-C4X-19611)
- Selexipag Impurity 70 (CAS CATO-C4X-196170)
- Selexipag Impurity 67 (CAS CATO-C4X-196167)
- Selexipag Impurity 69 (CAS CATO-C4X-196169)
Recommended Standards
- 4,4'-(Ethane-1,2-diylbis((2-((4-sulfophenyl)amino)ethyl)azanediyl))dibenzenesulfonic acid (CAS 2410-53-9)
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- Suvorexant Impurity 48 (CAS CATO-C4X-181248)
- rel-(2S)-3-[(4R)-2,5-dioxoimidazolidin-4-yl]-2-methyl-propanoic acid (CAS 1957283-46-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com