(−)-Isolongifolen-9-one

CAS 26839-52-1C15H22OChemical Synthesis

(−)-Isolongifolen-9-one (CAS: 26839-52-1, C15H22O) is a chiral ketone with a molecular weight of 218.33 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in asymmetric synthesis due to its defined stereochemistry. Its unique tricyclic structure makes it a useful intermediate for the construction of complex molecular architectures in research and development settings.

IUPAC: (1R)-2,2,7,7-Tetramethyltricyclo[6.2.1.01,6]undec-5-en-4-one

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(−)-Isolongifolen-9-one (C15H22O) — chemical structure, CAS 26839-52-1; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksKetonesOrganic Building Blocks

01 /Applications

Asymmetric Synthesis

(−)-Isolongifolen-9-one is employed as a chiral building block for the stereoselective synthesis of complex organic molecules. Its inherent chirality allows for the introduction of specific stereocenters in target compounds.

Organic Synthesis Intermediate

The compound's rigid tricyclic framework and ketone functionality make it a versatile intermediate in multi-step synthetic pathways. It facilitates the creation of diverse molecular scaffolds for chemical research.

Research and Development

Utilised in academic and industrial research laboratories for exploring novel synthetic routes and discovering new chemical entities. Its availability supports advancements in synthetic organic chemistry.

02 /Properties

Molecular weight	218.33
Empirical formula	C15H22O
Assay	≥99.5% (sum of enantiomers, GC)
Boiling point	143-144 °C/4.5 mmHg(lit.)
Optical activity	[α]20/D −205±10°, c = 1% in ethanol
Melting point	34-37 °C

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

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

04 /Identifiers & registry

CAS number

26839-52-1

MDL number

MFCD00270137

Beilstein registry

2213328

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 (–)-Isolongifolen-9-one primarily used for?

It is primarily used as a chiral building block in asymmetric and organic synthesis for research and development purposes.

What are the CAS number and molecular formula for (–)-Isolongifolen-9-one?

The CAS number is 26839-52-1 and the molecular formula is C15H22O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (–)-Isolongifolen-9-one with an assay of ≥99.5% (sum of enantiomers, GC). This product is not represented as USP, BP, or EP grade.

What safety precautions should be taken when handling (–)-Isolongifolen-9-one?

Handling requires personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified with a WGK Germany rating of 3, indicating significant hazard potential.

How is (–)-Isolongifolen-9-one typically shipped or exported?

Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging and documentation for the safe and compliant shipment of chemicals worldwide.