Etrasimod Impurity 78 CAS CATO-C4X-321478
| CAS No. | CATO-C4X-321478 |
| Molecular Formula | C39H39F6NO3 |
| Molecular Weight | 683.72 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Etrasimod Impurity 78 (CAS CATO-C4X-321478), a pharmacopoeial impurity reference standard (molecular formula C39H39F6NO3, MW 683.72 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Etrasimod Impurity 78 (C39H39F6NO3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), Etrasimod Impurity 78 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C39H39F6NO3 |
| Molecular Weight | 683.72 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Etrasimod Standards
- Etrasimod Impurity 29 (CAS CATO-C4X-321429)
- Etrasimod Impurity 43 (CAS 2412764-04-4)
- Etrasimod Impurity 35 (CAS CATO-C4X-321435)
- Etrasimod Impurity 38 (CAS 2863533-31-5)
- Etrasimod Impurity 39 (CAS 2863533-38-2)
- Etrasimod Impurity 32 (CAS CATO-C4X-321432)
- Etrasimod Impurity 44 (CAS CATO-C4X-321444)
- Etrasimod Impurity 37 (CAS 2863533-56-4)
Recommended Standards
- QR01019-D5 (CAS CATO-C3D-25972)
- Methyltetrazine-DBCO (CAS 1802238-48-7)
- N,N,2,3-Tetrabenzoyladenosine (CAS 58463-04-0)
- Relugolix Impurity 160 (CAS CATO-C4X-2429160)
- Furan Impuirty 1 (5-Butoxy-3-Methyl-2(5H)-Furanone) (CAS 119054-21-6)
- Bumetanide Impurity 66 (CAS CATO-C4X-198666)
- Mavacoxib Impurity 7 (CAS CATO-C4X-30597)
- 6A,6B,6C,6D,6E,6F,6G-Hepta-O-methyl-β-cyclodextrin (CAS 84337-62-2)
- tert-Butyl 2-(3-oxocyclobutoxy)acetate (CAS 2377086-43-4)
- Dabigatran Impurity 94 (CAS 58906-64-2)
- 6-(Pyrrolidin-1-ylsulfonyl)quinoline-4-carboxylic acid (CAS 1086393-14-7)
- Alogliptin Impurity 95 (CAS CATO-C4X-109995)
- EThyl 5-methyl-2-(2-(trifluoromethyl)phenyl)thiazole-4-carboxylate (CAS 1770676-45-3)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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