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1-[6,7-Dimethoxy-1-(4-Methoxy-Phenyl)-3,4-Dihydro-1H-Isoquinolin-2-Yl]-Ethanone CAS NO 66040-39-9
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CAS No.:66040-39-9
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
1-[6,7-Dimethoxy-1-(4-Methoxy-Phenyl)-3,4-Dihydro-1H-Isoquinolin-2-Yl]-Ethanone is a high-purity, complex organic compound belonging to the tetrahydroisoquinoline class, serving as a critical advanced intermediate in pharmaceutical synthesis. Its value lies in its role as a sophisticated building block for constructing complex molecular architectures, enabling the development of novel active pharmaceutical ingredients (APIs). This product is essential for research and development chemists, process chemists, and manufacturers in the pharmaceutical and fine chemical industries who require reliable, high-quality intermediates for drug discovery and production.
Application
- Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those targeting neurological and cardiovascular systems.
- Research & Development: Used in medicinal chemistry for structure-activity relationship (SAR) studies and the development of new chemical entities (NCEs).
- Process Chemistry: Serves as a pivotal intermediate in the scale-up and optimization of synthetic routes for active pharmaceutical ingredients (APIs).
- Fine Chemical Synthesis: Employed in the production of specialty chemicals and complex organic molecules requiring a tetrahydroisoquinoline core structure.
- Contract Manufacturing (CMO/CDMO): A critical raw material for contract research and manufacturing organizations supporting global pharmaceutical pipelines.
Basic Information
| Product Name | 1-[6,7-Dimethoxy-1-(4-Methoxy-Phenyl)-3,4-Dihydro-1H-Isoquinolin-2-Yl]-Ethanone |
| CAS No. | 66040-39-9 |
| Molecular Formula | C20H23NO4 |
| Molecular Weight | 341.40 g/mol |
| Synonyms | 2-Acetyl-1-(4-methoxyphenyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline; 1-[1-(4-Methoxyphenyl)-6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl]ethanone; 2-Acetyl-6,7-dimethoxy-1-(4-methoxyphenyl)-1,2,3,4-tetrahydroisoquinoline; Ethanone, 1-[6,7-dimethoxy-1-(4-methoxyphenyl)-3,4-dihydro-1H-isoquinolin-2-yl]-; Tetrahydroisoquinoline derivative CAS 66040-39-9 |
| EINECS | Contact for details |
Quality Control
Our 1-[6,7-Dimethoxy-1-(4-Methoxy-Phenyl)-3,4-Dihydro-1H-Isoquinolin-2-Yl]-Ethanone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet the stringent requirements of pharmaceutical development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with every shipment to support your quality and regulatory documentation needs.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Retention time matches reference standard |
| Assay (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Any single impurity ≤ 0.5% |
| Total Impurities | ≤ 2.0% |
| Residual Solvents (GC) | Complies with ICH Q3C guidelines |
| Loss on Drying | ≤ 0.5% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
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Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.




