(S)-(-)-1,2-Epoxy-5-hexene, GC 99%

(S)-(-)-1,2-Epoxy-5-hexene, GC 99% CAS No137688-21-2 is a useful chemical scaffold with the CAS Registry Number of 137688-21-2. It has a molecular formula of C6H10O and a molecular weight of 98.15 g/mol. This building block can be used in a wide range of research and speciality chemicals with its colourless to slight yellow liquid form. Its boiling point is 119-121ºC with a density of 0.87.


Chemical Name:

(S)-(-)-1,2-Epoxy-5-hexene, GC 99%



Molecular Fomula:


Formula Weight:


Chemical Uses


(S)-(-)-1,2-Epoxy-5-hexene, GC 99% is an organic compound used in various industrial and commercial applications. This compound, also known as cyclohexene oxide, is a colorless and odorless liquid at room temperature. It is a key intermediate in manufacturing polyester polyols, polyurethane foams, polyethylene terephthalate polymers, and other polymers. 

This compound is a structural isomer of 1,2-epoxycyclohexane and has the molecular formula of C6H10O. This substance has a melting point of -17.3°C and a boiling point of 81.8°C. It has a density of 0.945 g/cm3 and a molecular weight of 102.14 g/mol.

Chemical Properties:

Colorless to Yellow Liquid


The (S)-(-)-1,2-Epoxy-5-hexene, GC 99%, is a useful reagent in synthetic organic chemistry. It is used as a starting material in the synthesis of various compounds, such as nucleoside analogues, α-amino acids, and various pharmaceuticals. It is also used in the preparation of cyclized compounds, such as cyclic ethers, epoxyalcohols, and epoxyketones. Additionally, it is employed in the synthesis of chiral auxiliaries for the resolution of racemates.

Chemical Properties

Chemical name:

(S)-(-)-1,2-Epoxy-5-hexene, GC 99%

Cas No:


Molecular Formula:


Formula Weight:

98.14 g/mol

Boiling point

120.0±0.0 °C(Predicted)


0.892±0.06 g/cm3(Predicted)

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