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189363-81-3

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189363-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189363-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,6 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189363-81:
(8*1)+(7*8)+(6*9)+(5*3)+(4*6)+(3*3)+(2*8)+(1*1)=183
183 % 10 = 3
So 189363-81-3 is a valid CAS Registry Number.

189363-81-3Relevant articles and documents

A convenient method for the synthesis of β,γ-unsaturated amines from alkenes via α,β-unsaturated diphenylsulfonium salts

Yamanaka, Hiroyuki,Matsuo, Jun-Ichi,Kawana, Asahi,Mukaiyama, Teruaki

, p. 626 - 627 (2007/10/03)

1,1-Disubstituted and trisubstituted alkenes were converted into the corresponding β,γ-unsaturated amines 4 via three steps: the initial formation of α,β-unsaturated diphenylsulfonium triflates 2 from alkenes and diphenyl(trifluoromethanesulfonyloxy)sulfo

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