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2-[5-(2-Oxo-2-phenyl-ethyl)-[1,4]dithian-2-yl]-1-phenyl-ethanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109202-05-3

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109202-05-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109202-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,0 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109202-05:
(8*1)+(7*0)+(6*9)+(5*2)+(4*0)+(3*2)+(2*0)+(1*5)=83
83 % 10 = 3
So 109202-05-3 is a valid CAS Registry Number.

109202-05-3Downstream Products

109202-05-3Relevant academic research and scientific papers

A ONE-STEP PREPARATION OF (E)-4-MERCAPTO-2-BUTENOIC ESTERS AND NITRILES RELATIVE MICHAEL REACTIVITIES IN SIMPLE UNSATURATED SYSTEMS

Bunce, Richard A.,Pierce, Joey D.

, p. 5583 - 5586 (1986)

A one-step procedure is described for the preparation of (E)-4-mercapto-2-butenoic esters and nitriles in 75-85percent yield.The corresponding ketones could not be isolated due to dimerization of the initially-formed products by a double Michael reaction.

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