Description

Cyclopentanol, 3-(1,1-Dimethylethyl)-2-Methyl-, (1R,2R,3R)-Rel- (9Ci) is a high-purity, stereochemically defined tertiary alcohol derivative of cyclopentane. This compound is valued for its role as a sophisticated chiral building block and intermediate in advanced organic synthesis, where precise stereochemistry is critical. It is primarily needed by research and development chemists in the pharmaceutical and fine chemical industries for the synthesis of complex, biologically active molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for candidates requiring specific three-dimensional architecture.
• Asymmetric Synthesis: Used as a starting material or auxiliary in catalytic asymmetric reactions to construct complex molecules with high enantiomeric purity.
• Fine Chemical Production: Acts as a precursor in the manufacture of specialty chemicals, including advanced ligands for catalysts, fragrances, and liquid crystals.
• Academic & Industrial Research: Employed in methodological studies and process chemistry development for exploring new synthetic pathways.

Basic Information

Product Name	Cyclopentanol, 3-(1,1-Dimethylethyl)-2-Methyl-, (1R,2R,3R)-Rel- (9Ci)
CAS No.	674799-01-0
Molecular Formula	C10H20O
Molecular Weight	156.27 g/mol
Synonyms	(1R,2R,3R)-3-(tert-Butyl)-2-methylcyclopentanol; rel-(1R,2R,3R)-3-tert-Butyl-2-methylcyclopentanol; 3-tert-Butyl-2-methylcyclopentanol (rel-(1R,2R,3R)-); (1R,2R,3R)-rel-3-(1,1-Dimethylethyl)-2-methylcyclopentanol; 3-(tert-Butyl)-2-methylcyclopentanol (specific stereoisomer); Cyclopentanol, 3-(1,1-dimethylethyl)-2-methyl-, (1R,2R,3R)-rel-; CAS 674799-01-0
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Quality is verified through advanced analytical techniques including Chiral HPLC, GC, and NMR to confirm identity, stereochemical purity, and assay. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (rel-(1R,2R,3R)-)
Water Content (KF)	≤ 0.5%

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