2,4-Dichloro-7-methoxyquinoline CAS 55934-22-0
| CAS No. | 55934-22-0 |
| Molecular Formula | C10H7Cl2NO |
| Molecular Weight | 228.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2,4-Dichloro-7-methoxyquinoline (CAS 55934-22-0) is a high-purity analytical reference standard with the molecular formula C10H7Cl2NO and a molecular weight of 228.07 g/mol.
Structurally, 2,4-Dichloro-7-methoxyquinoline (C10H7Cl2NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 228.07 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,4-Dichloro-7-methoxyquinoline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H7Cl2NO |
| Molecular Weight | 228.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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, DMSO |
| 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.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 4,6-Dichloro-8-methoxyquinoline (CAS 1189106-28-2)
- 6,8-Dichloro-4-hydroxy-2-methylquinoline (CAS 1204-16-6)
- 3,4-Dichloro-7-methoxyquinoline (CAS 1204810-57-0)
- 1-(2,5-Dichloro-1H-indol-3-yl)ethanone (CAS 1310232-94-0)
- 2,8-Dichloro-5-methoxyquinoline (CAS 1340150-35-7)
- 1,5-Dichloro-4-methoxyisoquinoline (CAS 1409965-19-0)
- 5,8-Dichloro-2-methylquinolin-4-ol (CAS 1447-40-1)
- 3-Acetyl-4,5-dichloro-1H-indole (CAS 1482735-76-1)
Recommended Standards
- 2,4-Dichloro-6-methoxyquinoline (CAS 70049-46-6)
- 2,4-Dichloro-8-methoxyquinoline (CAS 32608-29-0)
- 2,4-Dichloro-5-methoxyquinoline (CAS 55934-21-9)
- 2,5-Dichloro-8-methoxyquinoline (CAS 74668-75-0)
- 2-(thiophen-2-yl)imidazo[1,2-a]pyrimidine (CAS 115749-42-3)
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