Siponimod Impurity 5 CAS 957205-23-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 957205-23-1 |
| Molecular Formula | C14H17F3O |
| Molecular Weight | 258.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Siponimod Impurity 5 (CAS 957205-23-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H17F3O. Molecular weight: 258.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H17F3O |
| Molecular Weight | 258.28 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Siponimod Standards
- Siponimod Impurity 9 (CAS 2746387-13-1)
- Siponimod Impurity 11 (CAS 2474774-17-7)
- Siponimod Impurity 8 (CAS CATO-C4X-24728)
- Siponimod Impurity 10 (CAS CATO-C4X-247210)
- Siponimod impurity 16 (CAS CATO-C4X-247216)
- Siponimod Impurity 3 (CAS 916806-97-8)
- Siponimod impurity 15 (CAS 2969312-21-6)
- Siponimod Impurity 2 (CAS 957202-29-8)
Recommended Standards
- 66898-97-3 1-{[3-(Trifluoromethyl)phenyl]methyl}piperidin-4-amine DTXSID10512381 (CAS 66898-97-3)
- 2-Hydroxy-6-methoxy-1,2,3,4-tetrahydronaphthalene-2-sulfonic acid (CAS 1018123-69-7)
- tert-Butyl 6-cyanamido-1H-indazole-1-carboxylate (CAS 401510-60-9)
- Oseltamivir Impurity 214 HCI (CAS 903907-74-4（free base）)
- Erlotinib Impurity 79 (CAS 382150-30-3)
- 5,6-Dimethyl-4-(naphthalen-2-yloxy)thieno[2,3-d]pyrimidine (CAS 315692-48-9)
- (5-(Thiophen-3-yl)pyridin-3-yl)methanol (CAS 223563-61-9)
- (4S)-2-((1H-Indol-3-yl)methyl)-4-amino-2-hydroxypentanedioic acid (CAS 126414-90-2)
- 3-{[4-(dimethylamino)phenyl]amino}-5,5-dimethylcyclohex-2-en-1-one (CAS 1022391-08-7)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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 13829788188 / jacky.chen@cato-chem.com