Description

(S,R)-4,5-Isopropylidene-3-Hydroxypent- is a valuable chiral building block and intermediate in fine chemical synthesis. Its unique stereochemistry and protected diol functionality make it a critical precursor for the production of complex molecules, particularly in the pharmaceutical sector. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), agrochemicals, and specialty chemicals where precise stereocontrol is required.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of antiviral, anticancer, and other therapeutic agents.
• Agrochemical Synthesis: Building block for creating advanced pesticides and herbicides with specific stereoisomeric activity.
• Fine Chemical Production: Used in the manufacture of complex fragrances, flavors, and specialty polymers.
• Asymmetric Catalysis Research: Serves as a starting material or ligand precursor in the development of new catalytic systems.
• Natural Product Synthesis: Intermediate in the total synthesis of complex natural products with biological activity.
• Protecting Group Chemistry: The isopropylidene group is utilized for the protection of diols in multi-step synthetic sequences.

Basic Information

Product Name	(S,R)-4,5-Isopropylidene-3-Hydroxypent-
CAS No.	90243-85-9
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	3-Hydroxy-4,5-O-isopropylidene-pent-; (S,R)-4,5-O-Isopropylidene-3-hydroxypent-; 4,5-O-Isopropylidene-3-hydroxypent-; 3-Hydroxy-4,5-O-(1-methylethylidene)-pent-; 4,5-O-(1-Methylethylidene)-3-hydroxypent-; (S,R)-4,5-O-(1-Methylethylidene)-3-hydroxypentanol; Protected Dihydroxy Pentanol Derivative
EINECS	Contact for details

Quality Control

Our (S,R)-4,5-Isopropylidene-3-Hydroxypent- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (S,R mixture)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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