Description

4-Heptyn-2-One, 3-Hydroxy-, (3S)- (9Ci) is a chiral, hydroxylated alkyne ketone, a specialized building block of significant interest in advanced organic synthesis. Its unique structure, featuring both a terminal alkyne and a stereogenic center, makes it a valuable precursor for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and fine chemical industries for applications such as asymmetric synthesis and medicinal chemistry research.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly those requiring stereochemical control.
• Asymmetric Synthesis: Serves as a building block in catalytic asymmetric reactions to introduce chiral complexity into target molecules.
• Medicinal Chemistry & Drug Discovery: Used in the synthesis of compound libraries for high-throughput screening and structure-activity relationship (SAR) studies.
• Ligand and Catalyst Development: The alkyne functionality allows for use in click chemistry or as a handle for constructing specialized ligands and organocatalysts.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex natural products, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry laboratories worldwide.

Basic Information

Product Name	4-Heptyn-2-One, 3-Hydroxy-, (3S)- (9Ci)
CAS No.	415899-74-0
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	(3S)-3-Hydroxy-4-heptyn-2-one; (S)-3-Hydroxy-4-heptyn-2-one; 4-Heptyn-2-one, 3-hydroxy-, (3S)-; 3-Hydroxy-4-heptyn-2-one, (S)-; (S)-3-Hydroxyhept-4-yn-2-one; (3S)-3-Hydroxyhept-4-yn-2-one
EINECS	Contact for details

Quality Control

Our 4-Heptyn-2-One, 3-Hydroxy-, (3S)- (9Ci) is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, suitable for demanding research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, chiral purity (enantiomeric excess), and identity confirmation. We adhere to cGMP principles where applicable to support our clients' regulatory and quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (ee)	≥ 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.