3-Amino-N-[5-(propylsulfanyl)-1,3,4-thiadiazol-2-yl]-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide CAS 445267-62-9
| CAS No. | 445267-62-9 |
| Molecular Formula | C18H16N6OS3 |
| Molecular Weight | 428.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-Amino-N-[5-(propylsulfanyl)-1,3,4-thiadiazol-2-yl]-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 445267-62-9), a certified reference material (molecular formula C18H16N6OS3, MW 428.55 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H16N6OS3, 3-Amino-N-[5-(propylsulfanyl)-1,3,4-thiadiazol-2-yl]-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 428.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C18H16N6OS3 |
| Molecular Weight | 428.55 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 3 |
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Recommended Standards
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- 1,3-Dioxane-4,6-Dione, 5-[[[1-[(4-Methoxyphenyl)Methyl]-1H-Pyrazol-5-Yl]Amino]Methylene]-2,2-Dimethyl- (CAS 949556-46-1)
- Methyl 3-chlorobenzo[d]isothiazole-6-carboxylate (CAS 1823933-64-7)
- (S)-4-Methyl-2-((7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)pentanoic acid (CAS 162149-58-8)
- 3-Phenyl-1H-pyrazole 3-phenylpyrazole 3-phenylpyrazol 3(5)-phenyl-1h-pyrazole 3-phenyl-pyrazole 2458-26-6 (CAS 2458-26-6)
- 3-Cyclobutyl-1,1,1-trifluoropropan-2-one (CAS 1491466-75-1)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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