Description

[S,(+)]-3-Chloro-1-Butene is a high-purity chiral building block and versatile chemical intermediate. Its defined stereochemistry and reactive chloroalkene functionality make it a valuable synthon for asymmetric synthesis in advanced pharmaceutical and agrochemical research. This compound is primarily utilized by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and specialty materials sectors.

Application

• Pharmaceutical Intermediate: Key chiral precursor for the synthesis of active pharmaceutical ingredients (APIs) and bioactive molecules requiring specific stereochemistry.
• Agrochemical Synthesis: Building block for creating chiral herbicides, fungicides, and pesticides with enhanced efficacy and selectivity.
• Ligand and Catalyst Development: Used in the preparation of chiral ligands for asymmetric catalysis and transition metal complexes.
• Fine Chemical Production: Serves as a starting material for various specialty chemicals, flavors, and fragrances where optical purity is critical.
• Polymer Modification: Can be incorporated as a functional monomer or cross-linking agent in specialty polymer systems.
• Academic and Industrial Research: Essential reagent in methodological development and synthetic organic chemistry studies.

Basic Information

Product Name	[S,(+)]-3-Chloro-1-Butene
CAS No.	35729-37-4
Molecular Formula	C4H7Cl
Molecular Weight	90.55 g/mol
Synonyms	(S)-(+)-3-Chloro-1-butene; (S)-3-Chloro-1-butene; (+)-(S)-3-Chloro-1-butene; (S)-3-Chlorobut-1-ene; 1-Butene, 3-chloro-, (S)-; (S)-1-Buten-3-yl chloride; (S)-3-Chlorobutene; (S)-3-Chloro-1-butylene
EINECS	Contact for details

Quality Control

Our [S,(+)]-3-Chloro-1-Butene is produced under strict quality management systems. Each batch is characterized and tested to ensure high chemical and optical purity, with a focus on consistency for research and scale-up applications. Certificates of Analysis (COA) detailing specific parameters such as assay, enantiomeric excess (ee), and impurity profile are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and bases. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture ingress and volatility loss.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 98.0% ee
Specific Rotation	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Contact for details

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