2-(4-Butylphenyl)-7-chloro-8-methylquinoline-4-carboxylic acid CAS 863182-54-1
| CAS No. | 863182-54-1 |
| Molecular Formula | C21H20ClNO2 |
| Molecular Weight | 353.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(4-Butylphenyl)-7-chloro-8-methylquinoline-4-carboxylic acid 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 2-(4-Butylphenyl)-7-chloro-8-methylquinoline-4-carboxylic acid (CAS 863182-54-1), a certified reference material (molecular formula C21H20ClNO2, MW 353.84 g/mol) for analytical method development and quality control.
Structurally, 2-(4-Butylphenyl)-7-chloro-8-methylquinoline-4-carboxylic acid (C21H20ClNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 353.84 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C21H20ClNO2 |
| Molecular Weight | 353.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Butylphenyl Standards
- 2-(4-sec-Butylphenyl)-7-chloro-8-methylquinoline-4-carboxylic acid (CAS 590350-41-7)
- N-(4-Butylphenyl)-5-(2-chlorophenyl)furan-2-carboxamide (CAS 618400-77-4)
- 2-[(4-tert-Butylphenyl)methoxy]-5-(phenoxymethyl)-1,3-thiazole (CAS 339105-23-6)
- 5-(4-Tert-butylphenyl)-4-(4-ethoxyphenyl)-4h-1,2,4-triazole-3-thiol (CAS 731802-52-1)
- 2-(4-tert-Butylphenyl)-5-(4-biphenylyl)-1,3,4-oxadiazole (purified by sublimation) (CAS 15082-28-7)
- 2-(4-tert-Butylphenyl)-6-ethylquinoline-4-carbonyl chloride (CAS 1160260-95-6)
- 2-(4-Butylphenyl)-6,8-dimethylquinoline-4-carbonyl chloride (CAS 1160262-71-4)
- 2-(4-tert-Butylphenyl)-6,8-dimethylquinoline-4-carbonyl chloride (CAS 1160262-73-6)
Recommended Standards
- 2-(4-(Tert-butyl)phenyl)-7-chloro-8-methylquinoline-4-carboxylic acid (CAS 863182-58-5)
- 2-(4-(4-Chlorophenyl)-2-methyl-3-oxo-1,2,4-oxadiazolidin-5-yl)-N,N-diisopropylacetamide (CAS 478063-82-0)
- 2-[1-(tert-Butoxycarbonyl)-4-(3-chlorophenyl)piperidin-4-yl]acetic acid (CAS 644982-77-4)
- 2-(2,4,6-Tribromophenyl)acetonitrile (CAS 98556-27-5)
- 5-methyl-2-(piperidin-4-yl)-1,3-benzothiazole (CAS 1095589-06-2)
- 1-(Piperidine-4-carbonyl)piperidin-4-one (CAS 1075716-15-2)
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- (S)-cyclopropyl(4-fluoro-3-(trifluoromethyl)phenyl)methanamine (CAS 1213101-10-0)
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