7-Chloro-2-(4-isobutoxyphenyl)-8-methylquinoline-4-carboxylic acid CAS 865415-13-0
| CAS No. | 865415-13-0 |
| Molecular Formula | C21H20ClNO3 |
| Molecular Weight | 369.84 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-isobutoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 865415-13-0), molecular formula C21H20ClNO3 and molecular weight 369.84 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H20ClNO3, 7-Chloro-2-(4-isobutoxyphenyl)-8-methylquinoline-4-carboxylic acid 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 369.84 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 7-Chloro-2-(4-isobutoxyphenyl)-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.
Physical & Chemical Properties
| Molecular Formula | C21H20ClNO3 |
| Molecular Weight | 369.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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
- 3-((4-Chloro-2,5-dimethoxyphenyl)amino)-1-(naphthalen-2-yl)propan-1-one (CAS 882749-02-2)
- 3-Chloro-6-fluoro-N-(2-methylnaphthalen-1-yl)benzo[b]thiophene-2-carboxamide (CAS 332382-16-8)
- 3-Chloro-N-(2-(1,3-dimethyl-5-phenoxy-1H-pyrazol-4-yl)ethyl)benzamide (CAS 477711-49-2)
- 4-Chloro-N-[2-(1,3-dimethyl-5-phenoxy-1H-pyrazol-4-yl)ethyl]benzamide (CAS 477711-45-8)
- 7-Chloro-2-(3-isobutoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 865415-11-8)
- 9-Chloro-N-(2-morpholinoethyl)acridine-4-carboxamide (CAS 646072-61-9)
- Butyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 355421-19-1)
- 4-Chloro-N-(di(piperidin-1-yl)phosphoryl)benzamide (CAS 927681-48-9)
Recommended Standards
- 4-((4-Chlorophenoxy)methyl)-3-(2,6-difluorophenyl)thiazole-2(3H)-thione (CAS 866153-93-7)
- Isobutyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 355421-20-4)
- Prucalopride Impurity 15 (CAS CATO-C4X-103815)
- Dotinurad Impurity 5 (CAS 1285572-89-5)
- (3-Chloroquinoxalin-2-yl)malononitrile (CAS 10176-25-7)
- Sar-Pro-OH (CAS 53298-68-3)
- 1-Chloro-3-(2-isocyanoethyl)benzene (CAS 730964-64-4)
- 7-Amino-2-(pyridin-2-yl)quinoline-5,8-dione (CAS 99573-25-8)
- Dapoxetine Impurity 104 (CAS 1346603-24-4(free base))
- 8-Chloro-2-(methylthio)pyrimido[5,4-d]pyrimidine (CAS 176637-10-8)
- 4-Cyano-2-(difluoromethyl)-6-fluoropyridine (CAS 1804758-92-6)
- beta-agonist Mix 9 (CAS CATO-MCAD302384-ME)
- 1-(3-Bromopropyl)-4-isopropoxybenzene (CAS 1344302-79-9)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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