Description

1-Penten-3-One, 4-Hydroxy-2-Methyl-, (4S)- (9Ci) is a chiral, optically active chemical intermediate characterized by its ketone and hydroxyl functional groups. This compound matters for its role as a key building block in the synthesis of complex, high-value molecules, particularly in the pharmaceutical and fine chemical sectors. It is primarily needed by R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), agrochemicals, and advanced material precursors where stereochemical control is critical.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of novel APIs and drug candidates, especially in oncology and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced, stereospecific pesticides and herbicides with enhanced efficacy and environmental profiles.
• Flavor & Fragrance Chemistry: Serves as a precursor for creating specific, high-value aroma chemicals and flavoring agents.
• Fine Chemical Manufacturing: Employed in multi-step organic synthesis for producing specialty chemicals used in electronics, catalysts, and polymers.
• Academic & Industrial Research: A valuable reagent for methodological development in asymmetric synthesis and catalysis studies.

Basic Information

Product Name	1-Penten-3-One, 4-Hydroxy-2-Methyl-, (4S)- (9Ci)
CAS No.	206351-52-2
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	(4S)-4-Hydroxy-2-methyl-1-penten-3-one; (S)-4-Hydroxy-2-methyl-1-penten-3-one; 4-Hydroxy-2-methyl-1-penten-3-one, (4S)-; 1-Penten-3-one, 4-hydroxy-2-methyl-, (S)-; (S)-4-Hydroxy-2-methylpent-1-en-3-one; (S)-4-Hydroxy-2-methyl-1-penten-3-one; 206351-52-2; (4S)-4-Hydroxy-2-methylpent-1-en-3-one
EINECS	Contact for details

Quality Control

Our production of 1-Penten-3-One, 4-Hydroxy-2-Methyl-, (4S)- (9Ci) adheres to stringent quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure compliance with customer specifications and industry standards. 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 under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from oxidizing agents and strong bases. This material is easily oxidized and light-sensitive.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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