Description

Pentanal, 2-Methyl-4-Oxo-, (2S)- (9Ci) is a chiral, optically active aldehyde-ketone compound of significant interest in fine chemical synthesis. Its defined stereochemistry and bifunctional carbonyl groups make it a valuable and versatile chiral building block for the production of complex molecules. This compound is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and fragrance industries. Its role is critical in the development of enantiomerically pure intermediates for active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs), particularly in routes involving aldol or nucleophilic addition reactions.
• Agrochemical Synthesis: Used in the research and production of chiral pesticides, herbicides, and plant growth regulators where specific stereochemistry is required for biological activity.
• Flavor and Fragrance Ingredient: Serves as a precursor for the synthesis of complex aroma chemicals and flavor compounds, leveraging its aldehyde functionality.
• Asymmetric Catalysis Research: Employed as a standard or test substrate in academic and industrial research for developing new chiral catalysts and methodologies.
• Fine Chemical Building Block: Used in custom synthesis and contract manufacturing for producing specialty chemicals, dyes, and advanced materials.

Basic Information

Product Name	Pentanal, 2-Methyl-4-Oxo-, (2S)- (9Ci)
CAS No.	120810-81-3
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	(2S)-2-Methyl-4-oxopentanal; (S)-2-Methyl-4-oxopentanal; L-2-Methyl-4-oxopentanal; 4-Oxo-2-methylpentanal, (2S)-; 2-Methyl-4-oxopentanal, (S)-; (S)-4-Oxo-2-methylpentanal; (2S)-4-Oxo-2-methylpentanal; (S)-2-Methyl-4-oxovaleraldehyde
EINECS	Contact for details

Quality Control

Our Pentanal, 2-Methyl-4-Oxo-, (2S)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity (enantiomeric excess) determination, identity confirmation, and assay by validated methods such as HPLC, GC, and chiral chromatography. We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. The container should be kept in a cool, dry, and well-ventilated area, away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 95.0%
Enantiomeric Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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