948289-56-3 6-Chloro-8-methylquinoline-3-carboxylic acid DTXSID50589138 CAS 948289-56-3
| CAS No. | 948289-56-3 |
| Molecular Formula | C11H18ClNO2 |
| Molecular Weight | 231.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
948289-56-3 6-Chloro-8-methylquinoline-3-carboxylic acid DTXSID50589138 (CAS 948289-56-3), molecular formula C11H18ClNO2 and molecular weight 231.72 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 948289-56-3 6-Chloro-8-methylquinoline-3-carboxylic acid DTXSID50589138 (C11H18ClNO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 231.72 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 948289-56-3 6-Chloro-8-methylquinoline-3-carboxylic acid DTXSID50589138 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 | C11H18ClNO2 |
| Molecular Weight | 231.72 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- tert-Butyl 6-chloro-2-azaspiro[3.3]heptane-2-carboxylate (CAS 2680866-94-6)
- 948294-24-4 5-Chloro-8-methylquinoline-3-carboxylic acid DTXSID00589108 (CAS 948294-24-4)
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