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(1R,2S,4S)-4-Benzyloxy-2-phenylethynyl-cyclohexanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138907-19-4

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138907-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138907-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,0 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138907-19:
(8*1)+(7*3)+(6*8)+(5*9)+(4*0)+(3*7)+(2*1)+(1*9)=154
154 % 10 = 4
So 138907-19-4 is a valid CAS Registry Number.

138907-19-4Downstream Products

138907-19-4Relevant academic research and scientific papers

Stereo- and regioselective metal salt-catalyzed alkynylation of 1,2-epoxides

Chini,Crotti,Favero,Macchia

, p. 6617 - 6620 (1991)

A simple, efficient, stereoselective, and highly regioselective method for the synthesis of β-hydroxyacetylenes by the direct opening of 1,2-epoxides with lithium acetylides in anhydrous THF, in the presence of metal salts, is described. This new method a

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