Tofacitinib Impurity 56 CAS 923036-30-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 923036-30-0 |
| Molecular Formula | C27H31N5O2S |
| Molecular Weight | 489.63 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tofacitinib Impurity 56 (CAS 923036-30-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C27H31N5O2S. Molecular weight: 489.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C27H31N5O2S |
| Molecular Weight | 489.63 g/mol |
| Purity | >95% |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Tofacitinib Standards
- Tofacitinib Impurity 35 (CAS CATO-C4X-107935)
- Tofacitinib Impurity 36 (CAS CATO-C4X-107936)
- Tofacitinib Impurity 64 (CAS 2504210-40-4)
- Tofacitinib Impurity 25 (CAS CATO-C4X-107925)
- Tofacitinib Impurity 222 (CAS CATO-C4X-1079222)
- Tofacitinib Impurity 78 (CAS CATO-C4X-107978)
- Tofacitinib Impurity 45 (CAS CATO-C4X-107945)
- Tofacitinib Impurity 173 (CAS CATO-C4X-1079173)
Recommended Standards
- Pioglitazone EP Impurity C (CAS 952188-00-0)
- 2-((5-Morpholino-4-tosylthiazol-2-yl)thio)-N-phenylacetamide (CAS 874594-19-1)
- Nirogacestat (CAS 1290543-63-3)
- Tegoprazan Impurity 112 (CAS CATO-C4X-2297112)
- Paclitaxel Impurity 34 (CAS 71629-92-0)
- (3-(tert-Butoxy)-5-cyclopropoxypyridin-2-yl)methanamine (CAS 1243344-45-7)
- 6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydroquinolin-4(1H)-one (CAS 1445800-21-4)
- 2-Chloro-N-(5-hydroxy-3-phenylpentyl)benzamide (CAS 1788677-82-6)
- 8-Ethyl-3,4-dihydronaphthalen-1(2H)-one (CAS 51015-33-9)
- Vasonatrin Peptide (VNP) trifluoroacetate salt (CAS 141676-35-9)
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