Description

Cyclobutanecarboxylic Acid, 1-Methyl-2-(1-Methylethenyl)-, (1S-Cis)- (9Ci) CAS NO 139561-18-5 is a high-purity, chiral cyclobutane derivative characterized by its specific stereochemistry and functional groups. This compound serves as a sophisticated and versatile chiral building block for the synthesis of complex organic molecules, offering precise control over three-dimensional structure. It is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and advanced materials where stereochemical integrity is paramount.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for constructing complex, stereochemically defined molecular scaffolds.
• Agrochemical Synthesis: Used in the creation of advanced, enantiomerically pure pesticides and herbicides, where biological activity is often stereospecific.
• Asymmetric Catalysis Ligand Precursor: Serves as a starting material for synthesizing chiral ligands used in asymmetric synthesis to induce enantioselectivity.
• Advanced Material Research: Employed in the development of specialty polymers and liquid crystals with tailored optical or mechanical properties.
• Academic & Industrial R&D: A valuable tool for chemists in synthetic methodology development and exploring new chemical spaces in medicinal chemistry.
• Fragrance & Flavor Chemistry: Potential use as an intermediate for creating unique, stereochemically defined odorants and flavor compounds.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 1-Methyl-2-(1-Methylethenyl)-, (1S-Cis)- (9Ci)
CAS No.	139561-18-5
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(1S-cis)-1-Methyl-2-(1-methylethenyl)cyclobutanecarboxylic Acid; (1S,2S)-1-Methyl-2-(prop-1-en-2-yl)cyclobutane-1-carboxylic Acid; (1S-cis)-1-Methyl-2-isopropenylcyclobutanecarboxylic Acid; 1-Methyl-2-isopropenylcyclobutanecarboxylic Acid, (1S-cis)-; Chiral Cyclobutane Carboxylic Acid Derivative; Cyclobutanecarboxylic acid, 1-methyl-2-(1-methylethenyl)-, (1S-cis)-; 139561-18-5
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing parameters such as chiral purity (enantiomeric excess), chemical purity, and identity confirmation. We adhere to cGMP principles where applicable to support our clients in regulated development pathways.

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 heat sources and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (ee)	≥ 98.0%
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.