Description

Borane, Dichloro(2-Methylcyclopentyl)-, trans- (9Ci) is a specialized organoborane compound with the CAS registry number 40649-18-1. This chemical serves as a valuable intermediate and reagent in advanced synthetic organic chemistry, particularly in stereoselective transformations. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and fine chemical industries for the synthesis of complex molecules.

Application

• Asymmetric Synthesis: Employed as a chiral reducing agent or boron-based reagent in stereocontrolled reactions.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs), especially those requiring specific stereochemistry.
• Fine Chemical Production: Acts as a key building block in the multi-step synthesis of specialty chemicals, agrochemicals, and fragrances.
• Hydroboration Reactions: Can be used in hydroboration processes to create functionalized organoboranes for further cross-coupling.
• Academic & Industrial R&D: A critical tool in methodological development and exploratory chemistry within university and corporate research laboratories.
• Catalyst Ligand Precursor: May serve as a precursor for generating novel ligand systems in transition metal catalysis.

Basic Information

Product Name	Borane, Dichloro(2-Methylcyclopentyl)-, trans- (9Ci)
CAS No.	40649-18-1
Molecular Formula	C6H11BCl2
Molecular Weight	164.87 g/mol
Synonyms	trans-Dichloro(2-methylcyclopentyl)borane; (1R,2S)-rel-2-Methylcyclopentyldichloroborane; Dichloro-trans-(2-methylcyclopentyl)borane; 2-Methylcyclopentyldichloroborane; Borane, dichloro(2-methylcyclopentyl)-, trans-; (trans)-Dichloro(2-methylcyclopentyl)borane
EINECS	Contact for details

Quality Control

Our production of Borane, Dichloro(2-Methylcyclopentyl)-, trans- (9Ci) adheres to stringent internal quality protocols to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. Each lot is characterized using advanced analytical techniques including NMR, GC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profile is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, this material should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 95.0%
Isomeric Purity	≥ 98.0% trans-isomer

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