

share
Cyclopropane, 1-Chloro-1-Ethynyl-2,3-Dimethyl-, (1Alpha,2Alpha,3Beta)- (9Ci) CAS NO 103365-72-6
Unit Price:
CAS No.:103365-72-6
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Cyclopropane, 1-Chloro-1-Ethynyl-2,3-Dimethyl-, (1Alpha,2Alpha,3Beta)- (9Ci) is a highly functionalized cyclopropane derivative, serving as a valuable and versatile chiral building block in advanced organic synthesis. Its unique structure, featuring a chlorine atom, an ethynyl group, and two methyl groups on a strained three-membered ring, makes it a critical intermediate for constructing complex molecular architectures. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.
Application
- Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in creating molecules with constrained, three-dimensional geometries.
- Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the cyclopropane ring can impart specific biological activity and stability.
- Material Science Research: Serves as a precursor for specialized monomers or ligands in the development of novel polymers and catalytic systems.
- Academic & R&D Laboratories: Employed in methodological studies and synthetic chemistry research to explore new reaction pathways involving strained ring systems.
- Fine Chemical Production: Acts as a building block for the synthesis of complex fragrances, flavors, and other high-value specialty chemicals.
Basic Information
| Product Name | Cyclopropane, 1-Chloro-1-Ethynyl-2,3-Dimethyl-, (1Alpha,2Alpha,3Beta)- (9Ci) |
| CAS No. | 103365-72-6 |
| Molecular Formula | C7H9Cl |
| Molecular Weight | 128.60 g/mol |
| Synonyms | (1α,2α,3β)-1-Chloro-1-ethynyl-2,3-dimethylcyclopropane; 1-Chloro-1-ethynyl-2,3-dimethylcyclopropane; 1-Chloro-1-ethynyl-2,3-dimethylcyclopropane, (1α,2α,3β)-; 103365-72-6; Cyclopropane, 1-chloro-1-ethynyl-2,3-dimethyl-, (1α,2α,3β)-; (1R,2R,3S)-1-Chloro-1-ethynyl-2,3-dimethylcyclopropane |
| EINECS | Contact for details |
Quality Control
Our Cyclopropane, 1-Chloro-1-Ethynyl-2,3-Dimethyl-, (1Alpha,2Alpha,3Beta)- (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure consistent identity, purity, and performance as a synthesis intermediate. Certificates of Analysis (COA) with detailed chromatographic data (GC, HPLC) are provided to support your research and quality assurance requirements.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. For long-term storage, it is recommended to keep the material under an inert atmosphere (e.g., nitrogen or argon) at temperatures between 2°C and 8°C to maintain stability. Keep away from heat, sparks, and open flames.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to reference spectrum |
| Purity (GC) | ≥ 95.0% |
| Chiral Purity (Chiral HPLC) | ≥ 98.0% ee |
| Water Content (KF) | ≤ 0.5% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Hex-4-Yn-1-Ol CAS NO 928-93-8


3,3-Dimethyl-1-Butyne CAS NO 917-92-0


1-Pentyne CAS NO 627-19-0


Bis(4-Bromophenyl)Acetylene CAS NO 2789-89-1


1-Iodo-2-(Trimethylsilyl)Acetylene 97 CAS NO 18163-47-8


1-Hexyn-3-Ol CAS NO 105-31-7


2-Heptyn-1-Ol CAS NO 1002-36-4


3-Chloro-3-Methyl-1-Butyne CAS NO 1111-97-3


1-Phenyl-1-Hexyne CAS NO 1129-65-3


3-Butyn-2-One CAS NO 1423-60-5


3,4-Dimethyl-1-Pentyn-3-Ol CAS NO 1482-15-1


3-Hexyn-2-One CAS NO 1679-36-3


2,9-Undecadiyne CAS NO 1785-53-1


3-Bromo-1-Phenylpropyne CAS NO 1794-48-5


(Triethylsilyl)Acetylene CAS NO 1777-03-3


Cyclooctyne CAS NO 1781-78-8


4,4'-Dichlorodiphenylacetylene CAS NO 1820-42-4


5-Phenyl-1-Pentyne CAS NO 1823-14-9


3-Phenyl-1-Propyne CAS NO 10147-11-2


8-Nonyn-1-Ol CAS NO 10160-28-8
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.




