Description

Cyclopropanecarboxylic Acid, 3-(1E)-3-Methoxy-2-Methyl-3-Oxo-1-Propenyl-2,2-Dimethyl-, (1S)-2-Methyl-4-Oxo-3-(2Z)-2-Pentenyl-2-Cyclopenten-1-Yl Ester, (1R,3R)- is a high-purity, stereochemically defined synthetic intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a key chiral building block in the development of complex, biologically active molecules, offering precise control over molecular architecture. It is primarily needed by research and development laboratories in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex stereochemistry.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where specific stereoisomers are required for optimal biological activity and environmental profile.
• Chemical Research: Serves as a valuable building block in academic and industrial research for methodological studies in asymmetric synthesis and natural product synthesis.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, flavors, and fragrances that demand high stereochemical purity.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 3-(1E)-3-Methoxy-2-Methyl-3-Oxo-1-Propenyl-2,2-Dimethyl-, (1S)-2-Methyl-4-Oxo-3-(2Z)-2-Pentenyl-2-Cyclopenten-1-Yl Ester, (1R,3R)-
CAS No.	1172-63-0
Molecular Formula	C22H30O5
Molecular Weight	374.47 g/mol
Synonyms	(1R,3R)-2,2-Dimethyl-3-[(1E)-3-methoxy-2-methyl-3-oxoprop-1-en-1-yl]cyclopropane-1-carboxylic acid (1S,3R)-2-methyl-4-oxo-3-[(2Z)-pent-2-en-1-yl]cyclopent-2-en-1-yl ester; Chrysanthemic acid ester derivative; Pyrethroid intermediate; (1R,3R)-trans-Chrysanthemic acid (1S,3R)-allethrolone ester analog; 3-(2-Methyl-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid ester.
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 3-(1E)-3-Methoxy-2-Methyl-3-Oxo-1-Propenyl-2,2-Dimethyl-, (1S)-2-Methyl-4-Oxo-3-(2Z)-2-Pentenyl-2-Cyclopenten-1-Yl Ester, (1R,3R)- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral HPLC to confirm stereochemical purity and identity. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided to ensure compliance with your research and development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound may be sensitive to prolonged exposure to heat and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de (for specified isomer)
Loss on Drying	≤ 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.