Description

2,2-Dimethyl-3-(2-Methyl-1-Propenyl)Cyclopropane-1-Carboxylic Acid 2-Methyl-4-Oxo-3-(2-Pentenyl)-2-Cyclopenten-1-Yl Ester is a specialized synthetic intermediate and active ingredient prized for its complex molecular architecture. This compound matters for its role as a key building block in the synthesis of advanced fine chemicals and active pharmaceutical ingredients (APIs). Industrial manufacturers and R&D laboratories in the agrochemical, fragrance, and pharmaceutical sectors require this high-purity ester for developing next-generation products.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of novel pyrethroid and other insecticide analogs.
• Pharmaceutical Synthesis: Serves as a sophisticated chiral building block for complex drug molecules and active pharmaceutical ingredients (APIs).
• Fragrance & Flavor Industry: Used in the research and development of unique, high-value aroma chemicals due to its specific structural motifs.
• Chemical Research & Development: Employed in academic and industrial R&D for studying cyclopropane and cyclopentenone chemistry and reaction mechanisms.
• Fine Chemical Production: Acts as an intermediate for manufacturing other specialty esters and complex organic molecules.

Basic Information

Product Name	2,2-Dimethyl-3-(2-Methyl-1-Propenyl)Cyclopropane-1-Carboxylic Acid 2-Methyl-4-Oxo-3-(2-Pentenyl)-2-Cyclopenten-1-Yl Ester
CAS No.	5777-73-1
Molecular Formula	C20H28O3
Molecular Weight	316.44 g/mol
Synonyms	2-Methyl-4-oxo-3-(2-pentenyl)-2-cyclopenten-1-yl 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarboxylate; Chrysanthemic acid ester derivative; (1R)-trans-Chrysanthemic acid 5-allyl-2-methyl-3-oxo-4-penten-1-yl ester; Allethrolone ester of chrysanthemic acid derivative; Pyrethroid intermediate; Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, 2-methyl-4-oxo-3-(2-pentenyl)-2-cyclopenten-1-yl ester
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-3-(2-Methyl-1-Propenyl)Cyclopropane-1-Carboxylic Acid 2-Methyl-4-Oxo-3-(2-Pentenyl)-2-Cyclopenten-1-Yl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Specific Rotation	Contact for details
Water Content (KF)	≤ 0.5%

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