7-Chloro-2-(3-ethoxyphenyl)-8-methylquinoline-4-carboxylic acid CAS 847503-16-6
| CAS No. | 847503-16-6 |
| Molecular Formula | C19H16ClNO3 |
| Molecular Weight | 341.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Chloro-2-(3-ethoxyphenyl)-8-methylquinoline-4-carboxylic acid.
7-Chloro-2-(3-ethoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 847503-16-6), molecular formula C19H16ClNO3 and molecular weight 341.79 g/mol, is a CATO reference standard with documented purity and traceability.
7-Chloro-2-(3-ethoxyphenyl)-8-methylquinoline-4-carboxylic acid (C19H16ClNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 7-Chloro-2-(3-ethoxyphenyl)-8-methylquinoline-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H16ClNO3 |
| Molecular Weight | 341.79 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
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- 1-Chloro-1,1-Difluoro-Hexan-2-One (CAS 6302-00-7)
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Recommended Standards
- 7-Chloro-2-(2-ethoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 862713-31-3)
- 7-Chloro-2-(4-ethoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 862713-30-2)
- 7-(((1,2,4-Thiadiazol-5-yl)sulfonyl)methyl)-5-chloroquinolin-8-ol (CAS 922505-47-3)
- 8-Chloro-2-(3-isopropoxyphenyl)quinoline-4-carboxylic acid (CAS 862713-33-5)
- 4-(4-Fluorophenoxy)butan-1-ol (CAS 1135034-30-8)
- (2R,6S)-2,6-DImethyl-1-(2-pyrrolidinylmethyl)piperidine (CAS 956266-23-2)
- 1-(2,3-Dihydro-1h-inden-5-yl)-2-(ethylthio)ethan-1-one (CAS 1157360-44-5)
- 2-Ethyl-4-quinazolinone 2-ethylquinazolin-4(1H)-one 3137-64-2 (CAS 3137-64-2)
- Rivastigmine Impurity 11 (CAS 123441-03-2)
- 2-Bromo-N-(3-methoxyphenyl)butanamide (CAS 1243049-89-9)
- 2-(1-Methyl-1H-pyrazol-4-yl)tetrahydro-2H-pyran-4-carbonitrile (CAS 2432830-22-1)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-4-piperidone (CAS 250718-94-6)
- 5-(2-Fluoropropan-2-yl)isoxazol-3-amine (CAS 1188908-86-2)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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