Tofacitinib Impurity 18 CAS 2504210-41-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2504210-41-5 |
| Molecular Formula | C29H38N10O2 |
| Molecular Weight | 558.68 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tofacitinib Impurity 18 (CAS 2504210-41-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C29H38N10O2. Molecular weight: 558.68 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C29H38N10O2 |
| Molecular Weight | 558.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 10 |
Related Tofacitinib Standards
- Tofacitinib Impurity 49 (CAS 2459302-78-2)
- Tofacitinib Impurity 174 (CAS CATO-C4X-1079174)
- Tofacitinib Impurity 97 (CAS CATO-C4X-107997)
- Tofacitinib Impurity 115 (CAS CATO-C4X-1079115)
- Tofacitinib Impurity 213 (CAS CATO-C4X-1079213)
- Tofacitinib Impurity 205 (CAS 2459302-87-3)
- Tofacitinib Impurity 173 (CAS CATO-C4X-1079173)
- Tofacitinib Impurity 222 (CAS CATO-C4X-1079222)
Recommended Standards
- benzyl (S)-2-((S)-2-amino-3-(3-(methylsulfonyl)phenyl)propanamido)-3-(3-(methylsulfonyl)phenyl)propanoate (CAS CATO-CIM-105797)
- Atrasentan Impurity 68 (CAS 1058402-54-2)
- Mavacamten Impurity 20 (CAS CATO-C4X-298220)
- Elagolix Impurity 78 (CAS CATO-C4X-206878)
- Pranoprofen Impurity 83 (CAS CATO-C4X-181183)
- 4-cyclopropyl-4H-1,2,4-triazole-3-thiol (CAS 667437-96-9)
- N-(2-Cyano-4-nitrophenyl)-2-((3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)thio)acetamide (CAS 750619-17-1)
- 3-[(2-fluorophenyl)sulfamoyl]benzoic acid (CAS 328028-11-1)
- 4-[4-(Ethylcarbamoyl)-3-fluorophenyl]phenol (CAS 1261894-26-1)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com