1-(2-Methylbenzyl)-2-oxo-4-(thiophen-2-yl)-1,2-dihydropyridine-3-carbonitrile CAS 478249-08-0
| CAS No. | 478249-08-0 |
| Molecular Formula | C18H14N2OS |
| Molecular Weight | 306.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(2-Methylbenzyl)-2-oxo-4-(thiophen-2-yl)-1,2-dihydropyridine-3-carbonitrile (CAS 478249-08-0) is a high-purity analytical reference standard with the molecular formula C18H14N2OS and a molecular weight of 306.38 g/mol.
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 1-(2-Methylbenzyl)-2-oxo-4-(thiophen-2-yl)-1,2-dihydropyridine-3-carbonitrile is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 306.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C18H14N2OS |
| Molecular Weight | 306.38 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylbenzyl Standards
- 1-(4-Methylbenzyl)-2-oxo-4-(thiophen-2-yl)-1,2-dihydropyridine-3-carbonitrile (CAS 866136-73-4)
- Methyl 1-(4-Methylbenzyl)-3-phenyl-1H-pyrazole-5-carboxylate (CAS 1202029-62-6)
- N-(4-Methylbenzyl)-4-nitrobenzenesulfonamide (CAS 321719-50-0)
- 2-(1-(2-Methylbenzyl)piperidin-4-yl)-1H-benzo[d]imidazole (CAS 887215-61-4)
- 4-(4-(4-Methylbenzyl)piperazin-1-yl)-1H-indole (CAS 334974-36-6)
- N-(5-(4-Methylbenzyl)-1,3,4-oxadiazol-2-yl)-2-phenylacetamide (CAS 1169978-24-8)
- 1-[(4-Methylbenzyl)sulfonyl]-2-phenyl-2-propanol (CAS 338412-40-1)
- (E)-2-(2-methylbenzyl)-6-styryl-4,5-dihydropyridazin-3(2H)-one (CAS 303146-67-0)
Recommended Standards
- 1-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-(2-hydroxyethyl)thiourea (CAS 392236-96-3)
- (S)-2-(2-(1H-Indol-3-yl)acetamido)-4-(methylthio)butanoic acid (CAS 57193-54-1)
- 1-(4-nitrophenyl)piperidin-4-yl methanesulfonate (CAS 303977-18-6)
- (E)-3-(Dimethylamino)-1-(4-fluorophenyl)-2-(2-morpholinoethyl)-2-propen-1-one (CAS 860611-54-7)
- (3-Bromo-4-((4-chlorobenzyl)oxy)-5-ethoxyphenyl)methanol (CAS 690964-94-4)
- 1-(Difluoromethyl)-4-fluoro-2-(trifluoromethyl)benzene (CAS 1214334-45-8)
- 1-(2-((4-Chlorophenyl)thio)-4-methylpyrimidin-5-yl)ethan-1-one (CAS 478047-67-5)
- 1-(3-Bromobenzyl)-2-methylbenzene (CAS 2484889-27-0)
- N-(2-Amino-4-chlorophenyl)-N-cyclohexyl-N-ethylamine (CAS 1036585-98-4)
- (Z)-5-((5-Bromofuran-2-yl)methylene)-3-methyl-2-thioxothiazolidin-4-one (CAS 292024-92-1)
- Phosphoric acid, C12-15-alkyl esters, compds. with polyethylene glycol mono[2-(dibutylamino)ethyl] ether (CAS 72207-81-9)
- Ro 15-4513 (CAS 91917-65-6)
- 3-bromo-2-(bromomethyl)-1-benzofuran (CAS 447402-12-2)
- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com