Tofacitinib RS/SR mixture Citrate CAS CATO-C4X-107929
| CAS No. | CATO-C4X-107929 |
| Molecular Formula | 2*C16H20N6O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 504.50 g/mol gives Tofacitinib RS/SR mixture Citrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Tofacitinib RS/SR mixture Citrate (CAS CATO-C4X-107929) is a high-purity analytical reference standard with the molecular formula C16H20N6OC6H8O7 and a molecular weight of 504.50 g/mol.
Based on its molecular formula C16H20N6OC6H8O7, Tofacitinib RS/SR mixture Citrate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 504.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Tofacitinib RS/SR mixture Citrate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | 2*C16H20N6O 2*C6H8O7 |
| Molecular Weight | 504.50 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 6 |
Related Tofacitinib Standards
- Tofacitinib Impurity 180 (CAS 100047-45-8)
- Tofacitinib Impurity 133 (CAS 10132-07-7)
- Tofacitinib Impurity 182 (CAS 1053228-28-6)
- Tofacitinib Impurity 123 DiHCl (CAS 1062580-52-2)
- Tofacitinib Impurity 20 (CAS 1092578-43-2)
- Tofacitinib Impurity 38 (CAS 1092578-45-4)
- Tofacitinib Impurity 1 (CAS 1092578-46-5)
- Tofacitinib Impurity 3 (CAS 1092578-47-6)
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- 7-Bromo-2-oxo-1,2-dihydroquinoline-3-carboxylic acid (CAS 938378-11-1)
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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 18665070610 / Nicole.chen@cato-chem.com