| CAS No. | 899374-98-2 |
| Molecular Formula | C23H19N5OS |
| Molecular Weight | 413.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(2-(1H-indol-3-yl)ethyl)-3-amino-6-(pyridin-3-yl)thieno[2,3-b]pyridine-2-carboxamide.
N-(2-(1H-indol-3-yl)ethyl)-3-amino-6-(pyridin-3-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 899374-98-2), molecular formula C23H19N5OS and molecular weight 413.49 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(2-(1H-indol-3-yl)ethyl)-3-amino-6-(pyridin-3-yl)thieno[2,3-b]pyridine-2-carboxamide (C23H19N5OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 413.49 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C23H19N5OS |
| Molecular Weight | 413.49 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |