Description

2-Pentanone, 5-Hydroxy-4-Methyl-3-Methylene-, (4R)- (9Ci) is a specialized chiral ketone compound with a unique methylene-ketone functional group. This molecule serves as a valuable advanced synthetic intermediate and building block in complex organic synthesis, enabling the construction of stereochemically defined structures. It is primarily required by research and development laboratories, as well as production facilities in the pharmaceutical and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of proprietary drug candidates and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Utilized in stereoselective reactions to introduce specific chiral centers into complex organic molecules.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, including flavors, fragrances, and agrochemicals.
• Academic & Industrial Research: Employed in methodological development and exploratory chemistry for new reaction pathways.
• Material Science: Potential monomer or modifier in the development of specialized polymers with tailored properties.

Basic Information

Product Name	2-Pentanone, 5-Hydroxy-4-Methyl-3-Methylene-, (4R)- (9Ci)
CAS No.	668995-06-0
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	(4R)-5-Hydroxy-4-methyl-3-methylenepentan-2-one; 4-Methyl-3-methylenepentane-1,5-diol-2-one; 5-Hydroxy-4-methyl-3-methylenepentan-2-one, (4R)-; (R)-5-Hydroxy-4-methyl-3-methylenepentan-2-one; 2-Pentanone, 5-hydroxy-4-methyl-3-methylene-, (4R)-; 668995-06-0; (4R)-4-Methyl-3-methylenepentane-1,5-diol-2-one
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material with typical purity levels suitable for research and industrial synthesis. Certificates of Analysis (COA) detailing identity, purity (by GC/HPLC), and impurity profiles are available upon request. Quality systems support development under cGMP guidelines where required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥95.0% (Contact for higher grades)
Optical Purity (Chiral HPLC)	≥98.0% ee (enantiomeric excess)
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%

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