4,6-Dichloro-2,3-dimethylquinoline CAS 1203-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1203-72-1 |
| Molecular Formula | C11H9Cl2N |
| Molecular Weight | 226.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6-Dichloro-2,3-dimethylquinoline (CAS 1203-72-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9Cl2N. Molecular weight: 226.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9Cl2N |
| Molecular Weight | 226.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 2,6-Dichloro-3-ethylquinoline (CAS 1031927-99-7)
- 2,7-Dichloro-3,8-dimethylquinoline (CAS 108097-00-3)
- 1,3-Dichloro-6-ethylisoquinoline (CAS 1150271-19-4)
- 4,8-Dichloro-2,3-dimethylquinoline (CAS 1203-46-9)
- 2,7-Dichloro-3-ethylquinoline (CAS 132118-51-5)
- 2,3-Dichloro-6,8-dimethylquinoline (CAS 1447949-09-8)
- 2,4-Dichloro-3,6-dimethylquinoline (CAS 1936054-65-7)
- 2,2-Dichloro-1-(2,2,5-trimethyloxazolidin-3-yl)ethanone (CAS 52836-31-4)
Recommended Standards
- (4-(Isobutylsulfinyl)phenyl)boronic acid (CAS 1217500-98-5)
- 2,5-Difluoro-3-(trifluoromethyl)benzoic acid (CAS 1186195-28-7)
- (4-(Butylsulfinyl)phenyl)boronic acid (CAS 1217501-01-3)
- 5-(3-Chloro-2-methylphenyl)-2-phenyl-3-(pyridin-3-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione (CAS 1005103-62-7)
- 2-(Benzylamino)-N-(5-methylisoxazol-3-yl)-2-thioxoacetamide (CAS 297150-04-0)
- 1-(2-Chloro-6-methylpyrimidin-4-yl)pyrrolidin-3-ol (CAS 1261232-41-0)
- 2-Methylidenebutan-1-ol (CAS 4435-54-5)
- 20-alfa-Dihydropregnenolone (CAS 901-56-4)
- Epinastine Impurity 40 (CAS CATO-C4X-184040)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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