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83180-27-2

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83180-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83180-27-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,8 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83180-27:
(7*8)+(6*3)+(5*1)+(4*8)+(3*0)+(2*2)+(1*7)=122
122 % 10 = 2
So 83180-27-2 is a valid CAS Registry Number.

83180-27-2Relevant academic research and scientific papers

Synthese Stereoselective des Sulfones vinyliques Z et E.

Julia, Marc,Launay, Michele,Stacino, Jean-Pierre,Verpeaux, Jean-Noel

, p. 2465 - 2468 (2007/10/02)

The condensation of α-sulphonyl carbanions with esters or with aldehydes (followed in this case by oxidation) gives β-ketosulphones.These were reduced stereoselectively into threo β-hydroxysulphones.Basic conditions have been found where the corresponding

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