Description

(R)-(-)-3-Methyl-2-Butanol is a high-purity chiral alcohol, specifically the (R)-enantiomer of 3-methyl-2-butanol. This compound matters as a valuable chiral building block and resolving agent in asymmetric synthesis, offering precise stereochemical control for advanced chemical manufacturing. It is needed by research institutions and industrial producers in the pharmaceutical, agrochemical, and specialty fragrance sectors for developing enantiomerically pure intermediates and active ingredients.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: Used in the production of enantiomerically pure active pharmaceutical ingredients (APIs) and fine chemicals.
• Asymmetric Synthesis & Catalysis: Serves as a chiral auxiliary or ligand precursor in catalytic reactions to induce stereoselectivity.
• Agrochemical Research: Employed in the development of chiral pesticides and herbicides where specific stereochemistry is critical for bioactivity.
• Flavor and Fragrance Industry: Utilized as a chiral component in the synthesis of sophisticated, high-value aroma chemicals.
• Academic & Industrial R&D: A key reagent for methodological development in organic chemistry and process optimization.
• Resolution Agent: Applied in classical resolution processes to separate racemic mixtures of acids or other compounds.

Basic Information

Product Name	(R)-(-)-3-Methyl-2-Butanol
CAS No.	1572-93-6
Molecular Formula	C5H12O
Molecular Weight	88.15 g/mol
Synonyms	(R)-3-Methylbutan-2-ol; (R)-(-)-3-Methyl-2-butanol; D-3-Methyl-2-butanol; (2R)-3-Methylbutan-2-ol; (R)-sec-Isoamyl alcohol; (R)-1,2-Dimethylpropanol; (R)-Pentan-2-ol, 3-methyl-; (R)-Active Amyl Alcohol
EINECS	216-377-1

Quality Control

Our (R)-(-)-3-Methyl-2-Butanol 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 and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to minimize moisture absorption and evaporation.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 99.0%
Refractive Index (n20D)	1.408 - 1.412
Specific Rotation ([α]20D)	-5.0° to -6.0° (neat)
Water Content (KF)	≤ 0.5%

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