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869199-40-6

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869199-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 869199-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,1,9 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 869199-40:
(8*8)+(7*6)+(6*9)+(5*1)+(4*9)+(3*9)+(2*4)+(1*0)=236
236 % 10 = 6
So 869199-40-6 is a valid CAS Registry Number.

869199-40-6Downstream Products

869199-40-6Relevant academic research and scientific papers

A new protocol for the consecutive α- and β-activation of propiolates towards electrophiles, involving conjugate addition of tertiary amines and intramolecular silyl migration

Matsuya, Yuji,Hayashi, Kousuke,Nemoto, Hideo

, p. 5408 - 5418 (2007/10/03)

Herein, we present a novel approach for the consecutive α- and β-activation of conjugated alkynes and demonstrate the application of this methodology towards the C-C bond-forming reactions of propiolates. This new concept is based on the 1,4-addition of a

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