Description

(2R,4S)-2,4-Dichloropentane is a high-purity chiral building block and versatile chemical intermediate essential for advanced organic synthesis. Its defined stereochemistry makes it a critical precursor for the development of pharmaceuticals, agrochemicals, and specialty materials where precise molecular architecture is required. This compound is particularly valuable for researchers and manufacturers in fine chemical, pharmaceutical R&D, and material science sectors seeking to introduce specific chlorinated pentane motifs into complex molecules.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and fungicides requiring specific stereoisomers for optimal activity.
• Ligand and Catalyst Development: Serves as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the development of novel polymers and liquid crystals where the dichloropentane unit influences material properties.
• Organic Chemistry Research: A valuable reagent for studying nucleophilic substitution reactions and stereoselective transformations.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing specific aroma chemicals.

Basic Information

Product Name	(2R,4S)-2,4-Dichloropentane
CAS No.	1825-09-8
Molecular Formula	C5H10Cl2
Molecular Weight	141.04 g/mol
Synonyms	Pentane, 2,4-dichloro-, (2R,4S)-; (2R,4S)-(-)-2,4-Dichloropentane; (-)-(2R,4S)-2,4-Dichloropentane; 2,4-Dichloropentane (specific stereoisomer); (R,S)-2,4-Dichloropentane; 1,3-Dichloro-2-methylbutane (stereospecific); Chiral 2,4-dichloropentane
EINECS	Contact for details

Quality Control

Our (2R,4S)-2,4-Dichloropentane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess 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 bases and metals. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Specific Rotation	Contact for details
Refractive Index	Contact for details
Density	~1.10 g/cm³

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