Description

Acetamide, n-Methyl-n-(1-Methyl-2-Propynyl)-, (S)- (9Ci) is a specialized chiral acetamide derivative with the CAS number 145679-21-6. This compound serves as a valuable advanced pharmaceutical intermediate (API) and a versatile chiral building block in asymmetric synthesis. It is primarily utilized by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for the creation of novel active ingredients and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for neurological and metabolic targets.
• Agrochemical Synthesis: Used in the development of advanced, enantiomerically pure pesticides and herbicides for enhanced efficacy and environmental safety.
• Asymmetric Catalysis: Acts as a ligand precursor or a chiral auxiliary in catalytic systems to induce stereoselectivity in organic transformations.
• Fine Chemical Production: Employed in the synthesis of complex, high-value specialty chemicals and flavors & fragrances.
• Academic & Industrial R&D: A critical reagent for methodological studies in organic chemistry and process development in pilot-scale facilities.
• Material Science Research: Investigated as a monomer or functional additive for creating polymers with specific chiral or optical properties.

Basic Information

Product Name	Acetamide, n-Methyl-n-(1-Methyl-2-Propynyl)-, (S)- (9Ci)
CAS No.	145679-21-6
Molecular Formula	C8H13NO
Molecular Weight	139.20 g/mol
Synonyms	(S)-N-Methyl-N-(1-methyl-2-propynyl)acetamide; (S)-N-Methyl-N-(1-methylprop-2-yn-1-yl)acetamide; (S)-N-Methyl-N-(1-methyl-2-propynyl)ethanamide; N-Methyl-N-(1-methyl-2-propynyl)acetamide, (S)-; (S)-N-Methyl-N-(prop-1-yn-1-ylmethyl)acetamide; (S)-Acetamide, N-methyl-N-(1-methyl-2-propynyl)-; (S)-Methyl(1-methyl-2-propynyl)acetamide; (S)-Chiral Propargylic Acetamide Derivative
EINECS	Contact for details

Quality Control

Our Acetamide, n-Methyl-n-(1-Methyl-2-Propynyl)-, (S)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure compliance with research-grade and GMP-starting material standards. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided to guarantee reproducible results for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (S-enantiomer)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.