7-Chloro-2-(4-isopropylphenyl)-8-methylquinoline-4-carbonyl chloride CAS 1160256-12-1
| CAS No. | 1160256-12-1 |
| Molecular Formula | C20H17Cl2NO |
| Molecular Weight | 358.26 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.
7-Chloro-2-(4-isopropylphenyl)-8-methylquinoline-4-carbonyl chloride (CAS 1160256-12-1), molecular formula C20H17Cl2NO and molecular weight 358.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H17Cl2NO, 7-Chloro-2-(4-isopropylphenyl)-8-methylquinoline-4-carbonyl chloride contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 358.26 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H17Cl2NO |
| Molecular Weight | 358.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 7-Chloro-8-methyl-2-(4-propylphenyl)quinoline-4-carbonyl chloride (CAS 1160256-08-5)
- 8-Chloro-2-(4-isobutylphenyl)quinoline-4-carbonyl chloride (CAS 1160256-33-6)
- 6-Chloro-2-(4-isobutylphenyl)quinoline-4-carbonyl chloride (CAS 1160263-20-6)
- 2-Chloro-N-(4-chlorophenyl)-N-methyl-4-(methylsulfonyl)benzamide (CAS 338408-54-1)
- 2-Chloro-N-[(4-chlorophenyl)methyl]-4-methanesulfonylbenzamide (CAS 861211-82-7)
- Ethyl 5-chloro-2-(2-chloroacetamido)-4-phenylthiophene-3-carboxylate (CAS 302582-89-4)
- 3-Chloro-1-[(3-chlorophenyl)methyl]-5-(trimethoxymethyl)-1,2-dihydropyridin-2-one (CAS 866136-07-4)
- 4-Chloro-7-(4-chlorophenyl)-5-(4-fluorophenyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 907585-56-2)
Recommended Standards
- 2-(4-tert-Butylphenyl)-8-chloroquinoline-4-carbonyl chloride (CAS 1160256-15-4)
- 2-(Benzyloxy)-N-(2,4-dichlorobenzyl)aniline (CAS 1040689-94-8)
- 2-(4-sec-Butylphenyl)-8-chloroquinoline-4-carbonyl chloride (CAS 1160256-20-1)
- 3-(Benzyloxy)-N-(2,4-dichlorobenzyl)aniline (CAS 1040688-37-6)
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