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856659-80-8

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856659-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 856659-80-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,6,5 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 856659-80:
(8*8)+(7*5)+(6*6)+(5*6)+(4*5)+(3*9)+(2*8)+(1*0)=228
228 % 10 = 8
So 856659-80-8 is a valid CAS Registry Number.

856659-80-8Downstream Products

856659-80-8Relevant articles and documents

A sequence of electrophile induced cyclisation and concomitant N-deprotection of alkenylsulfinimines and alkenylsulfinamides as a direct route to cyclic or spirocyclic imines, pyrrolidines and piperidines

Dondas, H. Ali,De Kimpe, Norbert

, p. 4179 - 4182 (2005)

Alkenylsulfinimines and alkenylsulfinamides underwent electrophile induced cyclisation reactions with phenylselenyl bromide, iodine and bromine to cyclic and spirocyclic imines, pyrrolidines and piperidines with spontaneous cleavage of the protective grou

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