| CAS No. | 496019-23-9 |
| Molecular Formula | C20H16N4OS |
| Molecular Weight | 360.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 3-Amino-6-(pyridin-4-yl)-N-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide 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.
3-Amino-6-(pyridin-4-yl)-N-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 496019-23-9), molecular formula C20H16N4OS and molecular weight 360.43 g/mol, is a CATO reference standard with documented purity and traceability.
3-Amino-6-(pyridin-4-yl)-N-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide (C20H16N4OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 | C20H16N4OS |
| Molecular Weight | 360.43 g/mol |
| Purity | 97%+ |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |