Description

5-Bromo-2,2-Dimethylcyclopentan-1-One is a high-purity brominated cyclopentanone derivative, serving as a versatile and critical building block in advanced organic synthesis. Its value lies in its unique sterically hindered ketone structure, which is essential for constructing complex molecular frameworks with high regioselectivity. This compound is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel small-molecule drug candidates, particularly in protease inhibitor and CNS-active compound research.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging the bromine moiety for further functionalization.
• Material Science Research: Acts as a precursor for specialty polymers and liquid crystals, where the rigid cyclopentanone core imparts specific material properties.
• Organic Synthesis Building Block: Employed in cross-coupling reactions (e.g., Suzuki, Stille) and nucleophilic substitution reactions to introduce complex alkyl-aryl groups.
• Chemical Reference Standard: Serves as a certified reference material (CRM) for analytical method development and quality control in chemical manufacturing.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing musky or amber-type fragrance compounds due to its ketone functionality.

Basic Information

Product Name	5-Bromo-2,2-Dimethylcyclopentan-1-One
CAS No.	1379265-83-4
Molecular Formula	C7H11BrO
Molecular Weight	191.07 g/mol
Synonyms	5-Bromo-2,2-dimethylcyclopentanone; 2,2-Dimethyl-5-bromocyclopentanone; 5-Bromo-2,2-dimethyl-1-cyclopentanone; 1-Cyclopentanone, 5-bromo-2,2-dimethyl-; Bromodimethylcyclopentanone
EINECS	Contact for details

Quality Control

Our 5-Bromo-2,2-Dimethylcyclopentan-1-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring traceability and consistency for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be amber-colored or stored in opaque secondary packaging.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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