Description

L-Ar-Curcumene is a specific stereoisomer of the natural sesquiterpene hydrocarbon curcumene, distinguished by its unique aromatic and biological profile. This compound is valued for its role as a high-purity reference standard and a key synthetic intermediate in the development of fine chemicals and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical, nutraceutical, and flavor & fragrance industries for applications requiring defined stereochemistry and consistent quality.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity testing, and quantification of curcumene in analytical methods (e.g., HPLC, GC).
• Synthetic Intermediate: Serves as a chiral building block in the synthesis of more complex terpenoid-based molecules for drug discovery.
• Nutraceutical Research: Employed in studies investigating the potential bioactive properties of specific curcumene isomers.
• Flavor & Fragrance Ingredient: Acts as a component in creating sophisticated aromatic profiles due to its woody, spicy characteristics.
• Academic & Industrial R&D: Utilized in chemical research focusing on terpene chemistry, natural product synthesis, and stereoselective reactions.

Basic Information

Product Name	L-Ar-Curcumene
CAS No.	4176-17-4
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	(-)-ar-Curcumene; (S)-ar-Curcumene; L-α-Curcumene; (S)-α-Curcumene; 2-Methyl-6-(4-methylphenyl)hept-2-ene; (S)-2-Methyl-6-(p-tolyl)hept-2-ene; 1-Methyl-4-(6-methylhept-5-en-2-yl)benzene (S-form)
EINECS	Contact for details

Quality Control

Our L-Ar-Curcumene is produced and handled under a strict quality management system. Each batch is subjected to comprehensive analytical testing, including chiral purity assessment by GC or HPLC, to ensure identity, strength, and composition. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to minimize oxidation. Keep the container in a cool, dry, and well-ventilated area.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Chiral Purity (GC/HPLC)	≥ 98.0% (S-isomer)
Assay (GC)	≥ 95.0%
Refractive Index (n20D)	1.495 - 1.505
Specific Rotation ([α]D20)	-10° to -15° (c=1 in CHCl3)

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