| CAS No. | 21271-90-9 |
| Molecular Formula | C26H22N6O2S |
| Molecular Weight | 482.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 4-(((6-Amino-2,3-diphenylpyrido[2,3-b]pyrazin-8-yl)amino)methyl)benzenesulfonamide 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.
4-(((6-Amino-2,3-diphenylpyrido[2,3-b]pyrazin-8-yl)amino)methyl)benzenesulfonamide (CAS 21271-90-9) is a high-purity analytical reference standard with the molecular formula C26H22N6O2S and a molecular weight of 482.56 g/mol.
Structurally, 4-(((6-Amino-2,3-diphenylpyrido[2,3-b]pyrazin-8-yl)amino)methyl)benzenesulfonamide (C26H22N6O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 482.56 g/mol, it falls into the moderately-high-molecular-weight range. 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.
| Molecular Formula | C26H22N6O2S |
| Molecular Weight | 482.56 g/mol |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |