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Cyclohexanone, 2-[2-bromo-2-(phenylsulfonyl)ethyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189010-03-5

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189010-03-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189010-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,0,1 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 189010-03:
(8*1)+(7*8)+(6*9)+(5*0)+(4*1)+(3*0)+(2*0)+(1*3)=125
125 % 10 = 5
So 189010-03-5 is a valid CAS Registry Number.

189010-03-5Relevant academic research and scientific papers

Construction of Five-Membered Rings by Michael Addition-Radical Cyclization

Clive, Derrick L.J.,Boivin, Taryn L.B.,Angoh, A. Gaeetan

, p. 4943 - 4953 (2007/10/02)

Enamines react with Michael acceptors 8-10 to produce ketones that, on treatment with lithium acetylides, afford hydroxy acetylenes 3.These compounds then undergo radical cyclization when treated with triphenyltin hydride and AIBN.The products 6 are forme

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