Description

1-Cyclohexene-1-Carboxylic Acid, 4-(1,5-Dimethyl-3-Oxohexyl)-, Methyl Ester, (1R,4R)-(+)- is a high-purity, chiral intermediate of significant value in advanced organic synthesis. Its defined stereochemistry and functionalized cyclohexene core make it a critical building block for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of enantiomerically pure active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), especially in stereoselective synthesis.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides where specific stereochemistry is crucial for bioactivity.
• Fine Chemical Production: Serves as a versatile building block in the synthesis of complex flavors, fragrances, and other specialty fine chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, including catalysis and new bond-forming reactions.
• Material Science Precursor: Potential use in the synthesis of specialized monomers for polymers with unique optical or structural properties.

Basic Information

Item	Details
Product Name	1-Cyclohexene-1-Carboxylic Acid, 4-(1,5-Dimethyl-3-Oxohexyl)-, Methyl Ester, (1R,4R)-(+)–
CAS No.	17904-27-7
Molecular Formula	C16H26O3
Molecular Weight	266.38 g/mol
Synonyms	(1R,4R)-4-(1,5-Dimethyl-3-oxohexyl)-1-cyclohexene-1-carboxylic acid methyl ester; (+)-Methyl 4-(1,5-dimethyl-3-oxohexyl)-1-cyclohexene-1-carboxylate; (1R,4R)-Methyl 4-(1,5-dimethyl-3-oxohexyl)cyclohex-1-ene-1-carboxylate; (1R,4R)-Levonorgestrel intermediate derivative; Chiral cyclohexene ester; Optically active keto-ester intermediate.
EINECS	Contact for details

Quality Control

Every batch of 1-Cyclohexene-1-Carboxylic Acid, 4-(1,5-Dimethyl-3-Oxohexyl)-, Methyl Ester, (1R,4R)-(+)- is produced and tested under strict quality management systems. We guarantee high chiral purity and chemical consistency critical for sensitive synthetic applications. Our products undergo rigorous quality testing, including chiral HPLC and NMR, to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed specifications are available upon request.

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). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (1R,4R)
Specific Rotation [α]	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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