5-Chloro-6-methoxy-4-methyl-8-nitroquinolin-2(1H)-one CAS 189746-23-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189746-23-4 |
| Molecular Formula | C11H9ClN2O4 |
| Molecular Weight | 268.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Chloro-6-methoxy-4-methyl-8-nitroquinolin-2(1H)-one (CAS 189746-23-4) pharmaceutical standards reference standard. Molecular formula: C11H9ClN2O4. Molecular weight: 268.65 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C11H9ClN2O4 |
| Molecular Weight | 268.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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Recommended Standards
- 2-[3-(3-chlorophenyl)-2,4-dioxoimidazolidin-1-yl]acetic acid (CAS 1411650-70-8)
- (E)-4-(2-(3-chlorobenzoyl)hydrazinyl)-4-oxobut-2-enoic acid (CAS 304456-83-5)
- 5-(Chlorosulfonyl)-3-fluoro-2-methoxybenzoic acid (CAS 1375471-82-1)
- Methyl 5-chloro-3-hydroxybenzofuran-2-carboxylate (CAS 172088-81-2)
- 6,8-Difluoro-2-methyl-1-(2-oxopropyl)quinolin-4(1H)-one (CAS 1211719-87-7)
- Naphthalen-2-yl 2-(4-bromophenoxy)acetate (CAS 313253-30-4)
- 2,6,9,9-Tetramethyl-9,10-dihydroacridine (CAS 6271-68-7)
- 4-Chlorophenyl 2-(4-bromophenyl)quinoline-4-carboxylate (CAS 355433-73-7)
- 2-(3-methyl-1,2-thiazol-5-yl)acetic acid (CAS 10284-40-9)
- Semaglutide impurity 215 (CAS CATO-C4X-2226215)
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