Description

3-Cyclohexene-1-Carboxylicacid,4-Methyl-,Methylester,(S)-(9Ci) is a chiral, non-racemic organic compound belonging to the class of cyclohexene carboxylate esters. This high-purity intermediate is critical for applications requiring precise stereochemistry and consistent molecular structure. It is primarily utilized by research institutions and industrial R&D departments focused on advanced organic synthesis, particularly in the development of pharmaceuticals and fine chemicals. The compound, identified by CAS number 134235-79-3, offers a valuable building block for constructing complex, optically active molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of active pharmaceutical ingredients (APIs), especially for candidates targeting central nervous system or metabolic diseases.
• Asymmetric Synthesis: Used as a starting material or intermediate in catalytic asymmetric reactions to introduce stereogenic centers with high enantiomeric excess.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrances, flavors, and advanced agrochemicals where the specific stereochemistry is essential for biological activity.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry, including studies on ring-opening reactions, hydrogenation, and functional group transformations of cyclic olefins.
• Ligand and Catalyst Development: Can be utilized as a precursor for synthesizing novel chiral ligands or organocatalysts used in enantioselective transformations.

Basic Information

Product Name	3-Cyclohexene-1-Carboxylicacid,4-Methyl-,Methylester,(S)-(9Ci)
CAS No.	134235-79-3
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(S)-4-Methyl-3-cyclohexene-1-carboxylic acid methyl ester; Methyl (S)-4-methyl-3-cyclohexene-1-carboxylate; (S)-(-)-4-Methyl-3-cyclohexenecarboxylic acid methyl ester; (3S)-4-Methyl-3-cyclohexene-1-carboxylic acid methyl ester; (S)-4-Methyl-δ3-cyclohexene-1-carboxylic acid methyl ester; (S)-Methyl 4-methyl-3-cyclohexenecarboxylate; (S)-Methyl 4-methylcyclohex-3-enecarboxylate
EINECS	Contact for details

Quality Control

Our 3-Cyclohexene-1-Carboxylicacid,4-Methyl-,Methylester,(S)-(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high chemical purity and enantiomeric excess, meeting the stringent requirements of research and process development. Comprehensive Certificates of Analysis (COA) detailing identity, purity, chiral purity, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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