Tofacitinib Impurity 39 CAS 2459302-80-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2459302-80-6 |
| Molecular Formula | C20H25N5 |
| Molecular Weight | 335.45 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tofacitinib Impurity 39 (CAS 2459302-80-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H25N5. Molecular weight: 335.45 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H25N5 |
| Molecular Weight | 335.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 5 |
Related Tofacitinib Standards
- Tofacitinib Impurity 228 (CAS CATO-C4X-1079228)
- Tofacitinib Impurity 37 (CAS 1252883-90-1)
- Tofacitinib Impurity 38 (CAS 1092578-45-4)
- Tofacitinib Impurity 4 (CAS 477600-73-0)
- Tofacitinib Impurity 162 (CAS CATO-C4X-1079162)
- Tofacitinib Impurity 65 (CAS CATO-C4X-107965)
- Tofacitinib Impurity 32 (CAS CATO-C4X-107932)
- Tofacitinib Impurity 238 (CAS CATO-C4X-1079238)
Recommended Standards
- 4-Butoxy-N-(sec-butyl)naphthalene-1-sulfonamide (CAS 1007688-35-8)
- N-(2-(Dimethylamino)-2-(1-methyl-1H-pyrrol-2-yl)ethyl)-1-(m-tolyl)methanesulfonamide (CAS 1049419-28-4)
- N-(1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 384337-90-0)
- Methionine Impurity 2 (CAS CATO-C4X-18272)
- Peramivir Impurity 74 (CAS CATO-C4X-183374)
- {[3-(5-fluoropyridin-3-yl)-1h-pyrazol-4-yl]methyl}(methyl)amine (CAS 1513064-94-2)
- Benzylpenicillin Impurity 65 (CAS CATO-C4X-189965)
- 5-Isopropoxyquinolin-8-amine (CAS 1153287-09-2)
- Benzyl 6-(3-(tert-butyl)-5-(3-(2-fluoro-4-((2-(methylcarbamoyl)pyridin-4-yl)oxy)phenyl)ureido)-1H-pyrazol-1-yl)-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 1020173-88-9)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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