Description

Cyclopropanecarboxaldehyde, 2-Butyl-1-Methyl-, (1R,2S)-Rel- (9Ci) is a high-purity, stereochemically defined chiral aldehyde building block. This compound is of significant value for its role in the synthesis of complex, biologically active molecules, offering precise control over stereochemistry in critical synthetic pathways. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and advanced agrochemicals, where its specific configuration is essential for efficacy.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for constructing complex molecular architectures.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where specific stereochemistry impacts biological activity and environmental profile.
• Asymmetric Catalysis Research: Serves as a valuable substrate or ligand precursor in the development and testing of new chiral catalysts and synthetic methodologies.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic & R&D Laboratories: Utilized in organic chemistry research for studying reaction mechanisms and constructing complex natural product analogs.

Basic Information

Product Name	Cyclopropanecarboxaldehyde, 2-Butyl-1-Methyl-, (1R,2S)-Rel- (9Ci)
CAS No.	405874-15-9
Molecular Formula	C9H16O
Molecular Weight	140.22 g/mol
Synonyms	(1R,2S)-rel-2-Butyl-1-methylcyclopropanecarboxaldehyde; (1R,2S)-2-Butyl-1-methylcyclopropanecarbaldehyde; rel-(1R,2S)-2-Butyl-1-methylcyclopropanecarboxaldehyde; 2-Butyl-1-methylcyclopropanecarboxaldehyde (rel-(1R,2S)-form); Chiral 2-Butyl-1-methylcyclopropanecarbaldehyde
EINECS	Contact for details

Quality Control

Every batch of Cyclopropanecarboxaldehyde, 2-Butyl-1-Methyl-, (1R,2S)-Rel- (9Ci) is produced and tested under strict quality management protocols. We ensure compliance with relevant industry standards for research and fine chemical applications. Comprehensive analytical testing, including chiral purity assessment by GC or HPLC, is performed. A detailed Certificate of Analysis (COA) documenting identity, purity, and stereochemical composition is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Allow the container to reach room temperature before opening to minimize moisture ingress and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chiral Purity (Chiral GC/HPLC)	≥ 99.0% de (diastereomeric excess)
Water Content (KF)	≤ 0.5%

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