Description

(S)-(+)-3-Methyl-1-Pentanol CAS NO 42072-39-9 is a high-purity chiral alcohol, specifically the (S)-enantiomer of 3-methyl-1-pentanol. This compound is a valuable chiral building block and intermediate in the synthesis of complex organic molecules, particularly in the pharmaceutical and fine chemical industries. It is primarily sought after by research and development laboratories, process chemists, and manufacturers involved in producing active pharmaceutical ingredients (APIs), agrochemicals, and specialty fragrances.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: A key starting material or intermediate for the production of enantiomerically pure drugs, leveraging its defined stereochemistry.
• Agrochemical Manufacturing: Used in the synthesis of chiral pesticides and herbicides where biological activity is stereospecific.
• Fine Chemical and Flavor & Fragrance Industry: Serves as a precursor for the synthesis of esters and other derivatives used in high-value flavors and fragrances.
• Ligand and Catalyst Development: Employed in the research and preparation of chiral ligands for asymmetric catalysis.
• Organic Synthesis Research: A versatile reagent in academic and industrial R&D for constructing complex molecular architectures with controlled stereochemistry.
• Electronic Chemicals: Potential use as a high-purity solvent or processing agent in specialized electronic applications.

Basic Information

Product Name	(S)-(+)-3-Methyl-1-Pentanol
CAS No.	42072-39-9
Molecular Formula	C6H14O
Molecular Weight	102.17 g/mol
Synonyms	(S)-3-Methyl-1-pentanol; (S)-(+)-3-Methylpentan-1-ol; (S)-3-Methylpentyl alcohol; (S)-3-Methylamyl alcohol; (S)-3-Methyl-1-pentyl alcohol; (S)-β-Methyl-n-amyl alcohol; (S)-3-Methyl-n-pentanol; (S)-3-Methylpentanol
EINECS	Contact for details

Quality Control

Our (S)-(+)-3-Methyl-1-Pentanol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizing agents and acids. Recommended storage temperature is 2-8°C for long-term stability, although the product is stable at room temperature for shorter periods. Keep container tightly sealed when not in use to minimize moisture absorption and evaporation.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 99.0%
Specific Rotation [α]D20	+5.0° to +7.0° (c=1, CHCl3)
Refractive Index nD20	1.418 - 1.422
Water Content (KF)	≤ 0.5%

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