Butyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate CAS 355421-19-1
| CAS No. | 355421-19-1 |
| Molecular Formula | C21H20ClNO3 |
| Molecular Weight | 369.84 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 Butyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate.
CATO supplies Butyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 355421-19-1), a certified reference material (molecular formula C21H20ClNO3, MW 369.84 g/mol) for analytical method development and quality control.
Structurally, Butyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate (C21H20ClNO3) 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 369.84 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Butyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate 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 | 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Isobutyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 355421-20-4)
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- Dotinurad Impurity 5 (CAS 1285572-89-5)
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