4-Chloro-2,7-dimethylquinoline CAS 74949-20-5
| CAS No. | 74949-20-5 |
| Molecular Formula | C11H10ClN |
| Molecular Weight | 191.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Chloro-2,7-dimethylquinoline 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.
CATO supplies 4-Chloro-2,7-dimethylquinoline (CAS 74949-20-5), a certified reference material (molecular formula C11H10ClN, MW 191.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H10ClN, 4-Chloro-2,7-dimethylquinoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 191.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C11H10ClN |
| Molecular Weight | 191.66 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.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
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- 5-Chloro-1-cyclopropyl-1H-indole (CAS 1021154-57-3)
- 2-Chloro-3,8-dimethylquinoline (CAS 108097-04-7)
- (7-chloro-3H-imidazo[4,5-b]pyridin-2-yl)methanol (CAS 1092350-63-4)
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Recommended Standards
- 4-Chloro-2,5-dimethylquinoline (CAS 63136-63-0)
- 4-chloro-2-ethylquinoline (CAS 7176-10-5)
- 4-Chloro-2,3-dimethylquinoline (CAS 63136-62-9)
- 4-chloro-2-methylnaphthalen-1-amine (CAS 341028-97-5)
- 4-Chloro-N-(3-iodophenyl)benzamide (CAS 897761-86-3)
- 5-Chloroisatin (CAS 17630-76-1)
- trans-1-fluoro-3-hydroxy-cyclobutanecarboxylic acid (CAS 2231666-16-1)
- 1053656-15-7 Ethyl 1-(N-hydroxycarbamimidoylmethyl)piperidine-4-carboxylate MFCD11052376 (CAS 1053656-15-7)
- (E)-({6-[(2-chlorophenyl)sulfanyl]pyridin-3-yl}methylidene)(methoxy)amine (CAS 339014-87-8)
- 5-(3-(4-Fluorophenyl)-1-phenyl-1H-pyrazol-4-yl)imidazolidine-2,4-dione (CAS 484049-04-9)
- 8-((3-Bromophenyl)sulfonyl)-1,4-dioxa-8-azaspiro[4.5]Decane (CAS 1137509-73-9)
- (3R)-3-Amino-2-methyl-5-(methylsulfanyl)pentan-2-ol (CAS 1354942-48-5)
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- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
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