Description

(S)-(+)-10-Methyl-1(9)-Octal-2-One is a high-purity, chiral fragrance and flavor intermediate with a distinct woody, amber-like character. This compound matters for its role in creating sophisticated, high-value aromatic profiles and as a key building block in asymmetric synthesis for the pharmaceutical and agrochemical industries. It is needed by manufacturers in the flavors & fragrances, fine chemicals, and advanced material sectors seeking to enhance product differentiation and performance.

Application

• Fragrance Formulation: As a key ingredient in premium perfumes, colognes, and personal care products for its woody, ambery, and musky notes.
• Flavor Enhancement: Used in the creation of complex flavor profiles for food and beverage applications, contributing earthy and tobacco-like nuances.
• Pharmaceutical Intermediate: Serves as a chiral synthon in the asymmetric synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Utilized as a building block in the production of specialty pesticides and herbicides requiring specific stereochemistry.
• Fine Chemical Production: Acts as a precursor in organic synthesis for research chemicals and advanced material development.
• Aroma Chemical Manufacturing: A valuable component for producing other methyl octalone derivatives and related aroma compounds.

Basic Information

Product Name	(S)-(+)-10-Methyl-1(9)-Octal-2-One
CAS No.	4087-39-2
Molecular Formula	C10H16O
Molecular Weight	152.23 g/mol
Synonyms	(S)-(+)-10-Methyl-δ1(9)-2-Octalone; (6S)-6,10-Dimethylbicyclo[4.4.0]dec-1-en-3-one; (S)-(+)-10-Methyl-1(9)-octalen-2-one; (S)-10-Methyl-1(9)-octal-2-one; (+)-10-Methyl-δ1(9)-2-octalone; (6S)-6,10-Dimethyl-1(9)-octalen-2-one; Ambroxide precursor; Woody octalone derivative
EINECS	Contact for details

Quality Control

Our (S)-(+)-10-Methyl-1(9)-Octal-2-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by GC or HPLC, to ensure high enantiomeric excess (e.e.) and chemical purity suitable for demanding applications. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 98.0%
Refractive Index (20°C)	1.485 - 1.495
Specific Rotation ([α]D20)	+50° to +60° (c=1 in CHCl3)

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