Description

Cyclopropanecarboxylic Acid, 2,2-Dimethyl-3-(1,2-Propadienyl)-, (1R-Trans)- (9Ci) CAS NO 91796-95-1 is a specialized chiral cyclopropane derivative featuring an allene functional group, making it a valuable and versatile synthetic intermediate. Its unique stereochemistry and reactive moieties are critical for constructing complex molecular architectures with high precision. This compound is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of potential drug candidates, particularly in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its complex cyclopropane structure for biological activity.
• Advanced Material Research: Serves as a precursor in the development of specialty polymers and functional materials where the allene and cyclopropane groups impart specific properties.
• Organic Synthesis & Methodology Development: Employed by academic and industrial research labs to explore new chemical reactions and catalytic processes involving strained rings and unsaturated systems.
• Flavor & Fragrance Chemistry: Potential intermediate for creating complex, high-value aroma chemicals due to its unique carbon skeleton.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2,2-Dimethyl-3-(1,2-Propadienyl)-, (1R-Trans)- (9Ci)
CAS No.	91796-95-1
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	(1R-trans)-2,2-Dimethyl-3-(1,2-propadienyl)cyclopropanecarboxylic Acid; Chrysanthemic Acid Allenyl Ester Derivative; (1R,3R)-2,2-Dimethyl-3-(prop-1,2-dien-1-yl)cyclopropane-1-carboxylic Acid; Allenyl Chrysanthemate Acid; 2,2-Dimethyl-3-(prop-1,2-dien-1-yl)cyclopropanecarboxylic Acid (trans-); (1R,3R)-Rel-2,2-Dimethyl-3-(1,2-Propadienyl)Cyclopropanecarboxylic Acid
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2,2-Dimethyl-3-(1,2-Propadienyl)-, (1R-Trans)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure high chemical and isomeric purity suitable for demanding synthetic applications. A detailed Certificate of Analysis (COA) providing specifications for identity, purity, and impurities is available for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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