Tofacitinib Impurity 22 CAS 2227199-28-0
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 2227199-28-0 |
| Molecular Formula | C14H19N5O |
| Molecular Weight | 273.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tofacitinib Impurity 22 (CAS 2227199-28-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C14H19N5O. Molecular weight: 273.33 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H19N5O |
| Molecular Weight | 273.33 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 5 |
Related Tofacitinib Standards
- Tofacitinib Impurity 111 (CAS 2183519-70-0)
- Tofacitinib Impurity 114 (CAS CATO-C4X-1079114)
- Tofacitinib Impurity 158 (CAS CATO-C4X-1079158)
- Tofacitinib Impurity 203 (CAS CATO-C4X-1079203)
- Tofacitinib Impurity 242 (CAS CATO-C4X-1079242)
- Tofacitinib Impurity 71 (CAS 134965-85-8)
- Tofacitinib Nitroso Impurity 187 (CAS CATO-C4X-1079187)
- Tofacitinib Impurity N48 (CAS 1638499-35-0)
Recommended Standards
- Pitavastatin Impurity 131 (CAS CATO-C4X-1037131)
- Apixaban Impurity 106 (CAS CATO-C4X-1088106)
- (2R,3R)-3-((S)-1-(tert-butoxycarbonyl)pyrrolidin-2-yl)-3-hydroxy-2-methylpropanoic acid (CAS 133565-38-5)
- Apixaban Impurity 15 (CAS CATO-C4X-108815)
- Loteprednol Impurity 12 (CAS 133991-63-6)
- {[3-(5-fluoropyridin-3-yl)-1h-pyrazol-4-yl]methyl}(methyl)amine (CAS 1513064-94-2)
- 1'-Oxospiro[cyclopentane-1,3'-isochroman]-4'-carboxylic acid (CAS 1263215-20-8)
- 3-(Thiophen-2-yl)imidazo[1,2-a]pyrazin-8-amine (CAS 825630-49-7)
- N,N'-Di(1-naphthyl)-N,N',9,9-tetraphenyl-9H-fluorene-2,7-diamine (CAS 357645-40-0)
- Tetrapeptide-3 (CAS 827306-97-8)
Why CATO?
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