| CAS No. | 445267-51-6 |
| Molecular Formula | C22H20N4O4S |
| Molecular Weight | 436.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 436.48 g/mol gives 3-Amino-6-(pyridin-4-yl)-N-(3,4,5-trimethoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Amino-6-(pyridin-4-yl)-N-(3,4,5-trimethoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 445267-51-6), molecular formula C22H20N4O4S and molecular weight 436.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Amino-6-(pyridin-4-yl)-N-(3,4,5-trimethoxyphenyl)thieno[2,3-b]pyridine-2-carboxamide (C22H20N4O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 436.48 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Amino-6-(pyridin-4-yl)-N-(3,4,5-trimethoxyphenyl)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.
| Molecular Formula | C22H20N4O4S |
| Molecular Weight | 436.48 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |