(−)-Caryophyllene oxide

CAS 1139-30-6C15H24OChemical Synthesis

(−)-Caryophyllene oxide (CAS: 1139-30-6), a chiral epoxide with formula C15H24O and molecular weight 220.35 g/mol, serves as a valuable building block in organic synthesis. It is particularly useful in asymmetric synthesis due to its defined stereochemistry. Its applications span chemical synthesis and the development of complex organic molecules, making it a key intermediate for researchers and industrial chemists.

IUPAC: (−)-Epoxycaryophyllene,(1R,4R,6R,10S)-9-Methylene-4,12,12-trimethyl-5-oxatricyclo[8.2.0.04,6]dodecane

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(−)-Caryophyllene oxide (C15H24O) — chemical structure, CAS 1139-30-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksEpoxidesOrganic Building Blocks

01 /Applications

Asymmetric Synthesis

Utilised as a chiral building block in stereoselective reactions, enabling the synthesis of enantiomerically enriched compounds.

Organic Synthesis

Serves as a versatile intermediate for constructing complex organic molecules and natural product analogues.

Epoxide Chemistry

Engages in ring-opening reactions characteristic of epoxides, leading to functionalised derivatives.

02 /Properties

Molecular weight	220.35
Empirical formula	C15H24O
Assay	≥99.0% (sum of enantiomers, GC)
Optical activity	[α]20/D −71±1°, c = 2% in chloroform
Storage temperature	2-8°C
Melting point	62-63 °C(lit.)62-63 °C

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements

P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Flash point	110 °C / 230 °F
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xi
Risk statements (R)	36/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1139-30-6

MDL number

MFCD00134216

PubChem substance

24862287

Beilstein registry

148213

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is (–)-Caryophyllene oxide used for?

(–)-Caryophyllene oxide is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in general organic synthesis for creating complex molecules.

What is the CAS number and formula for (–)-Caryophyllene oxide?

The CAS number is 1139-30-6 and the empirical formula is C15H24O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (–)-Caryophyllene oxide with an assay of ≥99.0% (sum of enantiomers, GC). We do not represent this product as USP, BP, or EP grade.

How should (–)-Caryophyllene oxide be handled?

(–)-Caryophyllene oxide is classified as an irritant (H315, H319). Handle with appropriate personal protective equipment, including a dust mask (N95 US), eyeshields, and gloves. Avoid contact with skin and eyes, and ensure good ventilation.

How is (–)-Caryophyllene oxide shipped and exported?

Tech Serve Solutions exports chemicals globally. Packaging and shipping comply with international regulations for hazardous materials. Please contact us for specific export details.

How can I request a sample or quote for (–)-Caryophyllene oxide?

To request a sample or a quotation, please use the contact form on our website or email our sales department, referencing the product name and CAS number 1139-30-6.