3-Amino-6-(3,4-dimethoxybenzyl)-N-(4-fluorophenyl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide CAS 939889-21-1
| CAS No. | 939889-21-1 |
| Molecular Formula | C24H19F4N3O3S |
| Molecular Weight | 505.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution, 3-Amino-6-(3,4-dimethoxybenzyl)-N-(4-fluorophenyl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 505.48 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Amino-6-(3,4-dimethoxybenzyl)-N-(4-fluorophenyl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 939889-21-1), molecular formula C24H19F4N3O3S and molecular weight 505.48 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 3-Amino-6-(3,4-dimethoxybenzyl)-N-(4-fluorophenyl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C24H19F4N3O3S |
| Molecular Weight | 505.48 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
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Recommended Standards
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- N-(Piperidin-4-ylmethyl)isoquinoline-5-sulfonamide (CAS 126234-76-2)
- (5-(Trifluoromethyl)benzene-1,2,3-triyl)tris(methylsulfane) (CAS 65516-85-0)
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- 3-((1-(Pyridin-2-yl)ethyl)amino)propan-1-ol (CAS 511237-61-9)
- D-Val23-Tirzepatide (CAS CATO-CPTD788911)
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