N-[(4-Chlorophenyl)methyl]-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide CAS 338778-25-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338778-25-9 |
| Molecular Formula | C21H14ClFN2O3 |
| Molecular Weight | 396.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-[(4-Chlorophenyl)methyl]-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 338778-25-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H14ClFN2O3. Molecular weight: 396.80 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H14ClFN2O3 |
| Molecular Weight | 396.80 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, 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.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
- 1-[(2-Chlorophenyl)methyl]-5-oxo-N-[4-(trifluoromethyl)phenyl]pyrrolidine-2-carboxamide (CAS 1008283-06-4)
- 2-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-6-cyclopropyl-4-(trifluoromethyl)nicotinonitrile (CAS 625377-46-0)
- 2-(4-Chlorophenyl)-4-methyl-N-[3-(trifluoromethyl)phenyl]-1,3-thiazole-5-carboxamide (CAS 320420-80-2)
- 3-(3-(4-Chlorophenyl)-5,9-dimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)propanoic acid (CAS 777857-53-1)
- Methyl 2-(4-(3-(4-chlorophenyl)ureido)phenoxy)benzoate (CAS 865660-46-4)
- Ethyl 4-(3-(4-chlorophenyl)benzo[c]isoxazole-5-carbonyl)isoxazole-3-carboxylate (CAS 337920-31-7)
- 1-((3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)-3-isopropylquinazoline-2,4(1H,3H)-dione (CAS 1105197-19-0)
- (4-Chlorophenyl)(4-(8-nitroquinolin-5-yl)piperazin-1-yl)methanone (CAS 115687-05-3)
Recommended Standards
- 5-[[p-(Chlorosulfonyl)phenyl]azo]salicylic Acid Methyl Ester Acetate (CAS 34265-47-9)
- N1-(5-{[2-oxo-2-(2,3,4-trifluoroanilino)ethyl]thio}-1,3,4-thiadiazol-2-yl)-2-chloroacetamide (CAS 244639-93-8)
- Benzyl 5-(chlorosulfonyl)-7-nitro-2,3-dihydro-1H-indole-1-carboxylate (CAS 1710628-73-1)
- Acetylacetone-d<SUB>8</SUB> (CAS 107508-19-0)
- 4-tert-Butyl-2,6-dicyanophenyl 4-(trifluoromethyl)benzoate (CAS 320424-46-2)
- Firocoxib Impurity 15 (CAS CATO-C4X-32115)
- N2,N6-Bis(2-(benzo[d]thiazol-2-yl)phenyl)pyridine-2,6-dicarboxamide (CAS 477578-93-1)
- 3-(4-Chlorobenzyl)morpholine hydrochloride (CAS 913718-38-4)
- 3-Phenyl-5-[1-(3,4,5-trimethoxybenzoyl)pyrrolidin-2-yl]-1,2,4-oxadiazole (CAS 1787855-63-3)
- C-telopeptide (CAS 162929-64-8)
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 13829788188 / jacky.chen@cato-chem.com