Description

(1S)-Chrysanthemolactone CAS NO 14087-71-9 is a high-purity, optically active lactone compound that serves as a critical chiral building block and intermediate in advanced organic synthesis. Its defined stereochemistry is essential for producing compounds with specific biological activity, making it invaluable for research and development. This material is primarily sought by the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in antiviral and anti-inflammatory drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where stereochemical purity influences efficacy.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals requiring specific enantiomeric forms.
• Academic & Industrial Research: A valuable reference standard and starting material in asymmetric synthesis and methodology development within R&D laboratories.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers with unique optical or mechanical properties.

Basic Information

Product Name	(1S)-Chrysanthemolactone
CAS No.	14087-71-9
Molecular Formula	C11H16O2
Molecular Weight	180.24 g/mol
Synonyms	(3S)-3-[(1S)-2,2-Dimethyl-3-oxocyclopentyl]-2-methylpropanoic acid lactone; (1S,3aS,6aS)-1,5,5-Trimethyl-3,3a,4,5,6,6a-hexahydro-2H-pentalen-2-one; (-)-Chrysanthemolactone; (1S)-1,5,5-Trimethyl-3,3a,4,5,6,6a-hexahydro-2H-pentalen-2-one; (1S,3aS,6aS)-Octahydro-1,5,5-trimethyl-2H-pentalen-2-one
EINECS	Contact for details

Quality Control

We maintain a strict quality management system to ensure batch-to-batch consistency and high purity. Our (1S)-Chrysanthemolactone is produced under controlled conditions and undergoes comprehensive analytical testing, including chiral purity verification by HPLC. A Certificate of Analysis (COA) detailing identity, assay, enantiomeric excess, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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