Description

(1R,3R)-2,2-Dimethyl-3-(2-Methyl-1-Propenyl)Cyclopropanecarboxylic Acid 2-Butenyl Ester is a high-purity, chiral cyclopropane derivative of significant interest in advanced organic synthesis. This compound serves as a critical intermediate for the production of complex molecules, particularly in the flavor, fragrance, and pharmaceutical sectors. It is essential for research and manufacturing organizations seeking to develop or produce novel compounds with specific stereochemical configurations.

Application

• Flavor and Fragrance (F&F) Intermediate: A key building block for the synthesis of sophisticated aroma chemicals and synthetic pyrethroid-like odorants.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) requiring the specific (1R,3R) stereochemistry.
• Agrochemical Synthesis: Serves as a precursor in the development of novel crop protection agents and insecticides.
• Advanced Organic Synthesis: A valuable chiral synthon for constructing complex natural products and other fine chemicals in R&D laboratories.
• Chemical Research: Employed in academic and industrial research for studying cyclopropane chemistry and stereoselective reactions.

Basic Information

Product Name	(1R,3R)-2,2-Dimethyl-3-(2-Methyl-1-Propenyl)Cyclopropanecarboxylic Acid 2-Butenyl Ester
CAS No.	83123-89-1
Molecular Formula	C15H24O2
Molecular Weight	236.35 g/mol
Synonyms	2-Buten-1-yl (1R,3R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate; (1R,3R)-Chrysanthemic Acid 2-Butenyl Ester; (1R,3R)-trans-Chrysanthemic Acid Crotyl Ester; (1R,3R)-2,2-Dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic Acid 2-Butenyl Ester; (1R,3R)-trans-Crotyl Chrysanthemate; (1R,3R)-trans-2-Butenyl Chrysanthemate
EINECS	Contact for details

Quality Control

Our (1R,3R)-2,2-Dimethyl-3-(2-Methyl-1-Propenyl)Cyclopropanecarboxylic Acid 2-Butenyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by GC or HPLC, to ensure high chemical and isomeric purity suitable for demanding synthesis applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Chiral Purity (de)	≥ 98.0%
Specific Rotation [α]	Contact for details
Refractive Index (n20D)	Contact for details
Density (g/mL, 20°C)	Contact for details

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