N-(2,5-difluorophenyl)-7-hydroxy-5-oxo-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-6-carboxamide CAS 303987-25-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303987-25-9 |
| Molecular Formula | C19H14F2N2O3 |
| Molecular Weight | 356.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(2,5-difluorophenyl)-7-hydroxy-5-oxo-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-6-carboxamide (CAS 303987-25-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H14F2N2O3. Molecular weight: 356.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H14F2N2O3 |
| Molecular Weight | 356.32 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related N Standards
- 2-(2,6-Difluorophenyl)-1-[(2,6-Difluorophenyl)Methyl]Benzimidazole (CAS 199594-59-7)
- 2-((2,4-Difluorophenyl)sulfonyl)-1-(3,4-dimethoxyphenyl)ethan-1-one (CAS 1325304-65-1)
- 2-[(2,4-Difluorophenyl)carbamoyl]phenyl N,N-dimethylsulfamate (CAS 338396-32-0)
- 3-[(2,4-Difluorophenyl)carbamoyl]phenyl N,N-dimethylsulfamate (CAS 338405-84-8)
- 4-[(2,4-Difluorophenyl)carbamoyl]phenyl N,N-dimethylsulfamate (CAS 338396-19-3)
- 1-(2,4-Difluorophenyl)-3-(4-isobutylphenyl)-1H-pyrazole-5-carboxylic acid (CAS 618103-00-7)
- Ethyl 2-[1-(2,4-difluorophenyl)-1H-pyrazol-5-yl]-3-phenylpropanoate (CAS 477710-92-2)
- 3-(2,6-Difluorophenyl)-4-[(2,6-dimethylmorpholin-4-yl)methyl]-2,3-dihydro-1,3-thiazole-2-thione (CAS 866153-89-1)
Recommended Standards
- Methyl α-D-laminaribioside (CAS 7115-19-7)
- N-(3-Methoxypropyl)naphthalen-1-amine (CAS 20034-29-1)
- Methyl 6-O-(α-D-mannopyranosyl)-α-D-mannopyranoside (CAS 78962-39-7)
- 2-Bromo-4-chlorophenol (CAS 695-96-5)
- 4-Bromo-3-nitrotoluene (CAS 5326-34-1)
- 1,2,3,4,5-Pentafluoro-6-(pentafluoroethoxy)benzene (CAS 159752-92-8)
- 5-(2-Bromophenyl)furan-2-carbonitrile, 97% (CAS 88649-66-5)
- 2-[(dimethylamino)methyl]cyclopentan-1-one hydrochloride (CAS 42746-87-2)
- 1,3,3,4,4,5,5-Heptafluoro-2-methoxycyclopent-1-ene (CAS 1759-60-0)
- D-[Phe]6-Semaglutide (CAS CATO-CPTD788633)
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