Description

(R)-(-)-1,4-Pentanediol CAS NO 56718-04-8 is a high-purity chiral diol building block, valued for its role in asymmetric synthesis and the production of optically active compounds. Its defined stereochemistry is critical for applications requiring precise molecular geometry and biological activity. This specialty chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• Pharmaceutical Intermediates: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of antiviral and cardiovascular drugs.
• Agrochemical Synthesis: Used in the production of chiral pesticides and herbicides, where the specific enantiomer can influence efficacy and environmental safety.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or chain extender for creating chiral polymers and liquid crystalline materials with specific optical properties.
• Flavor & Fragrance Industry: Employed as a precursor for synthesizing enantiomerically pure aroma chemicals and flavoring agents.
• Asymmetric Catalysis: Acts as a chiral ligand or auxiliary in catalytic systems for enantioselective transformations.
• Academic & Industrial R&D: A valuable reagent for method development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	(R)-(-)-1,4-Pentanediol
CAS No.	56718-04-8
Molecular Formula	C5H12O2
Molecular Weight	104.15 g/mol
Synonyms	(R)-1,4-Pentanediol; (R)-(-)-1,4-Pentanediol; (R)-Pentane-1,4-diol; (R)-1,4-Dihydroxypentane; (2R)-1,4-Pentanediol; (R)-1,4-PD; D-(-)-1,4-Pentanediol; (R)-1,4-Pentylene Glycol
EINECS	Contact for details

Quality Control

Our (R)-(-)-1,4-Pentanediol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assay by HPLC, to ensure it meets the high standards required for advanced synthetic applications. A Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and specific impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%

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