Description

(3R,5R)-2,6-Dimethyl-3,5-Heptanediol is a high-purity chiral diol compound, serving as a critical building block in asymmetric synthesis and pharmaceutical manufacturing. Its defined stereochemistry is essential for producing enantiomerically pure intermediates, ensuring the efficacy and safety of final active pharmaceutical ingredients (APIs). This product is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing advanced chiral molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug molecules, particularly in statin and other cardiovascular drug research.
• Asymmetric Catalyst Ligand: Used in the preparation of chiral ligands for transition metal catalysis, enabling enantioselective transformations.
• Agrochemical Synthesis: Employed as a precursor for creating enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Flavor and Fragrance Ingredient: Acts as a starting material for the production of specific, high-value chiral aroma chemicals.
• Polymer Modification: Utilized to introduce chiral centers into polymer chains for advanced materials with specific optical or mechanical properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for exploring new stereoselective reaction pathways.

Basic Information

Product Name	(3R,5R)-2,6-Dimethyl-3,5-Heptanediol
CAS No.	128899-83-2
Molecular Formula	C9H20O2
Molecular Weight	160.25 g/mol
Synonyms	(3R,5R)-3,5-Dihydroxy-2,6-dimethylheptane; (3R,5R)-2,6-Dimethylheptane-3,5-diol; (3R-cis)-2,6-Dimethyl-3,5-heptanediol; Dihydroxycitronellol (stereospecific); (3R,5R)-Dihydroxy-2,6-dimethylheptane; (3R,5R)-Heptanediol, 2,6-dimethyl-
EINECS	Contact for details

Quality Control

Our (3R,5R)-2,6-Dimethyl-3,5-Heptanediol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and enantiomeric excess.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Specified range
Loss on Drying	≤ 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.