Description

1,7-Dioxaspiro[5.5]Undecane-3,4-Diol, 9-Ethyl-, (3R,4S,6S,9S)- (9Ci) is a high-purity, stereochemically defined spirocyclic diol compound. This molecule serves as a versatile chiral building block and advanced intermediate for the synthesis of complex organic molecules. It is primarily utilized by research and development teams in the pharmaceutical and agrochemical industries, where its unique rigid structure is valuable for creating novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used as a precursor in the creation of advanced pesticides and herbicides with specific stereochemical requirements.
• Asymmetric Catalysis Ligand Precursor: Its diol functionality and defined stereochemistry make it a candidate for developing novel chiral ligands and catalysts.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrances, flavors, and other specialty chemicals.
• Academic & Industrial Research: A valuable compound for methodological studies in organic synthesis and stereochemistry.

Basic Information

Item	Details
Product Name	1,7-Dioxaspiro[5.5]Undecane-3,4-Diol, 9-Ethyl-, (3R,4S,6S,9S)- (9Ci)
CAS No.	415921-39-0
Molecular Formula	C11H20O4
Molecular Weight	216.27 g/mol
Synonyms	(3R,4S,6S,9S)-9-Ethyl-1,7-dioxaspiro[5.5]undecane-3,4-diol; 9-Ethyl-1,7-dioxaspiro[5.5]undecane-3,4-diol, (3R,4S,6S,9S)-; (3R,4S,6S,9S)-9-Ethyl-1,7-dioxaspiro[5.5]undecane-3,4-diol (9CI); 1,7-Dioxaspiro[5.5]undecane-3,4-diol, 9-ethyl-, (3R,4S,6S,9S)-; CAS 415921-39-0
EINECS	Contact for details

Quality Control

Our 1,7-Dioxaspiro[5.5]Undecane-3,4-Diol, 9-Ethyl-, (3R,4S,6S,9S)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and stereochemical integrity, meeting the stringent requirements for advanced synthetic intermediates. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
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.