Selexipag Impurity 13 CAS 41270-66-0
| CAS No. | 41270-66-0 |
| Molecular Formula | C16H11ClN2 |
| Molecular Weight | 266.72 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Selexipag Impurity 13 (CAS 41270-66-0, C16H11ClN2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Selexipag Impurity 13 (C16H11ClN2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, 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 266.72 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Selexipag Impurity 13 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 | C16H11ClN2 |
| Molecular Weight | 266.72 g/mol |
| Purity | 97%+ |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Selexipag Standards
- Selexipag Impurity 18 (CAS CATO-C4X-196118)
- Selexipag Impurity 15 (CAS CATO-C4X-196115)
- Selexipag Impurity 9 (CAS CATO-C4X-19619)
- Selexipag Impurity 57 (CAS CATO-C4X-196157)
- Selexipag Impurity 12 (CAS 18591-57-6)
- Selexipag Impurity 21 (CAS CATO-C4X-196121)
- Selexipag Impurity 48 (CAS CATO-C4X-196148)
- Selexipag Impurity 58 (CAS CATO-C4X-196158)
Recommended Standards
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- 4-(2-Chloro-7-ethyl-7H-pyrrolo-[2,3-d]pyrimidin-4-yl)morpholine (CAS 1221688-88-5)
- Dicloxacillin Impurity C34 (CAS 42947-69-3)
- Ramelteon Impurity 43 (CAS 221530-42-3)
- Crisaborole Impurity 14 (CAS 1187188-60-8)
- Hexahydropyrazino[2,1-c][1,4]oxazin-9(6H)-one (CAS 929047-10-9)
- 4-(3-Fluoro-4-methoxybenzoyl)-3-hydroxy-5-(3-hydroxyphenyl)-1-(3-morpholinopropyl)-1H-pyrrol-2(5H)-one (CAS 618073-00-0)
- Tert-butyl ((1R,3R)-3-amino-1-methylcyclohexyl)carbamate (CAS 2231664-93-8)
- 2-(5-Ethyl-2-thienyl)-8-methylquinoline-4-carbonyl chloride (CAS 1160254-05-6)
- (5-Cyclopropylthiophen-2-yl)methanol (CAS 1456863-44-7)
- 2-Ethyl-6-nitro-2H-indazole (CAS 65642-29-7)
- Semaglutide Impurity 180 (CAS CATO-C4X-2226180)
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