Tofacitinib Impurity 51 CAS 2504210-38-0
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 2504210-38-0 |
| Molecular Formula | C19H22N8 |
| Molecular Weight | 362.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tofacitinib Impurity 51 (CAS 2504210-38-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C19H22N8. Molecular weight: 362.43 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H22N8 |
| Molecular Weight | 362.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 8 |
Related Tofacitinib Standards
- Tofacitinib Impurity 202 (CAS CATO-C4X-1079202)
- Tofacitinib Impurity 150 (CAS 1616761-01-3)
- Tofacitinib Impurity 84 (CAS 1675248-18-6)
- Tofacitinib Impurity 138 (CAS CATO-C4X-1079138)
- Tofacitinib Impurity 134 (CAS CATO-C4X-1079134)
- Tofacitinib Impurity 135 (CAS CATO-C4X-1079135)
- Tofacitinib Impurity 136 (CAS 2803420-43-9)
- Tofacitinib Impurity 214 (CAS CATO-C4X-1079214)
Recommended Standards
- N'-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)-N,N-diisopropylformimidamide (CAS 89128-68-7)
- Fezolinetant Impurity 18 (CAS CATO-C4X-327018)
- N-(4-(1H-1,2,4-triazol-1-yl)phenyl)-2-(4-phenylpiperazin-1-yl)acetamide (CAS 763124-72-7)
- Diclofenac impurity 11 (CAS CATO-C4X-161411)
- Atosiban Impurity 100 (CAS CATO-C4X-2293100)
- Ethyl 3-Hydroxycyclopentanecarboxylate (CAS 1187933-07-8)
- 1-(3,4-Dimethylphenyl)-N-(furan-2-ylmethyl)-1H-1,2,3-triazole-4-carboxamide (CAS 1105215-09-5)
- 4,5-Difluoro-2-methoxyphenol (CAS 246029-17-4)
- 2-[(3-Methylphenyl)amino]propanohydrazide (CAS 1396996-92-1)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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