2-(6-Chloro-4-(4-chlorophenyl)-2-methylquinolin-3-yl)-2-isopropoxyacetic acid CAS 957892-23-8
| CAS No. | 957892-23-8 |
| Molecular Formula | C21H19Cl2NO3 |
| Molecular Weight | 404.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(6-Chloro-4-(4-chlorophenyl)-2-methylquinolin-3-yl)-2-isopropoxyacetic 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.
2-(6-Chloro-4-(4-chlorophenyl)-2-methylquinolin-3-yl)-2-isopropoxyacetic acid (CAS 957892-23-8), molecular formula C21H19Cl2NO3 and molecular weight 404.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(6-Chloro-4-(4-chlorophenyl)-2-methylquinolin-3-yl)-2-isopropoxyacetic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 404.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C21H19Cl2NO3 |
| Molecular Weight | 404.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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 Chloro Standards
- 5-Chloro-1-(4-Methylbenzenesulfonyl)-1H-Indole-3-Sulfonyl Chloride (CAS 1341039-18-6)
- N-(3-chloro-4-fluorophenyl)-2-(2-((4-chlorophenyl)thio)acetyl)hydrazine-1-carbothioamide (CAS 329699-91-4)
- 2-[(2-Chloro-6-fluorophenyl)methyl]-4-[(1E)-{[(4-chlorophenyl)methyl]imino}methyl]benzene-1,3-diol (CAS 339017-56-0)
- 2-Chloro-N-(6-chloro-1,3-benzothiazol-2-yl)-5-nitrobenzene-1-sulfonamide (CAS 847794-88-1)
- 3-Chloro-2-(2-{[(4-chlorophenyl)methyl]sulfanyl}-1H-imidazol-1-yl)-5-(trifluoromethyl)pyridine (CAS 338956-50-6)
- 2-Chloro-4-(3-(3-methyl-4-nitrophenyl)ureido)benzene-1-sulfonyl chloride (CAS 680617-73-6)
- 3-Chloro-N-(2-chloro-5-(trifluoromethyl)phenyl)-6-methylbenzo[b]thiophene-2-carboxamide (CAS 332382-28-2)
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Recommended Standards
- 1-(3,5-Dichlorophenyl)-3-(4-phenylpiperazin-1-yl)pyrrolidine-2,5-dione (CAS 301194-50-3)
- 2-Cyclopentyl-3-(2,4-dichlorophenyl)-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acid (CAS 400073-92-9)
- (E)-4-(2-(1-(3,4-dichlorobenzyl)-1H-benzo[d]imidazol-2-yl)vinyl)benzonitrile (CAS 400079-51-8)
- 3-[(2,6-Dichlorophenyl)methoxy]-1-[(4-methoxyphenyl)methyl]-2-methyl-1,4-dihydropyridin-4-one (CAS 338965-53-0)
- 1,5-Dimethoxyanthracene (CAS 16294-32-9)
- N-(1-(5-(Furan-2-yl)-1H-pyrazol-3-yl)ethyl)butan-1-amine (CAS 1365940-11-9)
- 5-[(4-chlorophenoxy)methyl]-1h-1,2,3,4-tetrazole (CAS 24896-24-0)
- 5-Chloro-N-(3,4-dimethoxyphenyl)pyrazine-2-carboxamide (CAS 945978-55-2)
- 3-(Boc-amino)-4-(2,3-difluorophenyl)butyric Acid (CAS 1824352-40-0)
- 4-Chloro-6-isopropyl-3-methylbenzene-1,2-diamine (CAS 854403-52-4)
- 1-[4-(tert-Butyl)phenyl]cyclopentanecarboxylic Acid (CAS 923249-62-1)
- 6-Chloro-3-methoxypyridin-2-amine (CAS 175965-93-2)
- 2-Chloro-3-nitrophenol (CAS 603-84-9)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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