Tofacitinib Impurity 205 CAS 2459302-87-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2459302-87-3 |
| Molecular Formula | C26H26Cl2N8 |
| Molecular Weight | 521.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tofacitinib Impurity 205 (CAS 2459302-87-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C26H26Cl2N8. Molecular weight: 521.44 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C26H26Cl2N8 |
| Molecular Weight | 521.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 8 |
Related Tofacitinib Standards
- Tofacitinib Impurity 213 (CAS CATO-C4X-1079213)
- Tofacitinib Impurity 173 (CAS CATO-C4X-1079173)
- Tofacitinib Impurity 222 (CAS CATO-C4X-1079222)
- Tofacitinib Impurity 49 (CAS 2459302-78-2)
- Tofacitinib Impurity 35 (CAS CATO-C4X-107935)
- Tofacitinib Impurity 36 (CAS CATO-C4X-107936)
- Tofacitinib Impurity 56 (CAS 923036-30-0)
- Tofacitinib Impurity 64 (CAS 2504210-40-4)
Recommended Standards
- 1-(Tert-butyldimethylsilyl)-5-(tributylstannyl)-1H-pyrrolo[2,3-b]pyridine (CAS 754214-65-8)
- 2-((3,4-Dichlorobenzyl)thio)-4-(3,4-dimethoxyphenyl)-6-(p-tolyl)nicotinonitrile (CAS 444156-97-2)
- Mometasone Furoate (CAS 83919-23-7)
- Bumetanide Impurity 111 (CAS CATO-C4X-1986111)
- Lacidipine impurity 9 (CAS CATO-C4X-16719)
- 2-[2-(benzyloxy)phenyl]ethan-1-ol (CAS 56052-43-8)
- Tert-butyl (2r)-2-amino-7-azabicyclo[2.2.1]heptane-7-carboxylate (CAS 1354973-35-5)
- (S)-Ethyl 2-amino-3-hydroxy-2-methylpropanoate (CAS 1315053-72-5)
- (4-((4-(Tert-butyl)phenyl)sulfonyl)piperazin-1-yl)(4-nitrophenyl)methanone (CAS 439094-02-7)
- Uremic Pentapeptide (CAS 71494-20-7)
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