Description

trans-(±)-2,2-Dimethyl-3-(2-Methylprop-1-Enyl)Cyclopropanecarboxylic Acid CAS NO 705-16-8 is a high-purity cyclopropanecarboxylic acid derivative characterized by its unique gem-dimethyl and prenyl-substituted structure. This compound serves as a critical chiral intermediate and building block in advanced organic synthesis, valued for its ability to impart specific steric and electronic properties to target molecules. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in developing antiviral and central nervous system (CNS) drugs.
• Agrochemical Synthesis: Building block for creating advanced pyrethroid-like insecticides and fungicides, leveraging its cyclopropane core.
• Fine Chemical Production: Used in the manufacture of flavors, fragrances, and other specialty chemicals requiring specific stereochemistry.
• Material Science Research: Serves as a monomer or functional modifier in the development of polymers with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in asymmetric synthesis and catalysis.

Basic Information

Item	Details
Product Name	trans-(±)-2,2-Dimethyl-3-(2-Methylprop-1-Enyl)Cyclopropanecarboxylic Acid
CAS No.	705-16-8
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	Chrysanthemumdicarboxylic acid; Chrysanthemic acid (trans, (±)-form); 2,2-Dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid; (±)-trans-Chrysanthemic acid; DL-trans-Chrysanthemic acid; 3-(2-Methyl-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid; (1R,3R)- and (1S,3S)-2,2-Dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylic acid
EINECS	211-879-0

Quality Control

Our production of trans-(±)-2,2-Dimethyl-3-(2-Methylprop-1-Enyl)Cyclopropanecarboxylic Acid adheres to a rigorous quality management system. Every batch is tested against stringent in-house specifications to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with each shipment. We support compliance with REACH, FDA, and cGMP guidelines for relevant applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
trans-Isomer Content (GC/HPLC)	≥ 95.0%
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.