(3E)-3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methylidene}-1,2,3,4-tetrahydroquinoxalin-2-one CAS 338410-37-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338410-37-0 |
| Molecular Formula | C15H9ClF3N3O |
| Molecular Weight | 339.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3E)-3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methylidene}-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 338410-37-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H9ClF3N3O. Molecular weight: 339.70 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H9ClF3N3O |
| Molecular Weight | 339.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related E Standards
- 3-{2-[4-chloro-3-(trifluoromethyl)phenoxy]phenyl}-3-oxopropanenitrile (CAS 136562-66-8)
- 3-[(5-Chloro-2-hydroxyphenyl)methylidene]-6-(trifluoromethyl)-2,3-dihydro-1H-indol-2-one (CAS 860651-10-1)
- 3-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-4-phenyl-2(5H)-furanone (CAS 320420-57-3)
- 3-Chloro-2-(pyridin-2-yl(1H-1,2,4-triazol-5-yl)methyl)-5-(trifluoromethyl)pyridine (CAS 338407-55-9)
- 3-Chloro-2-[3-(1H-pyrazol-3-yl)phenoxy]-5-(trifluoromethyl)pyridine (CAS 321574-14-5)
- 3-Chloro-2-[4-(1H-pyrazol-3-yl)phenoxy]-5-(trifluoromethyl)pyridine (CAS 400087-42-5)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)phthalazin-1(2H)-one (CAS 303148-44-9)
- 5-Chloro-1-(3-(trifluoromethyl)benzyl)indoline-2,3-dione (CAS 89159-26-2)
Recommended Standards
- 3-Bromo-6-chloro-2-fluorophenoxy(tert-butyl)dimethylsilane (CAS 1881320-40-6)
- Vilanterol Impurity 68 (CAS CATO-C4X-193568)
- Diethyl 2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)malonate (CAS 172527-71-8)
- 5-(5-Methylisoxazole-3-carboxamido)pentanoic acid (CAS 1343038-98-1)
- 6-(trifluoromethoxy)benzofuran-3-one (CAS 857062-56-7)
- 3-bromo-4-methyl-1H-pyrazole (CAS 5932-20-7)
- 2-amino-N-ethyl-3,3,3-trifluoro-2-methylpropanamide (CAS 1520596-03-5)
- 4-Methylenechroman (CAS 87280-12-4)
- tert-Butyl (5-amino-2,3-dimethylphenyl)carbamate (CAS 1936384-11-0)
- (Tyr?)-C-Peptide (dog) (CAS 101135-67-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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