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921589-67-5

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921589-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 921589-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,1,5,8 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 921589-67:
(8*9)+(7*2)+(6*1)+(5*5)+(4*8)+(3*9)+(2*6)+(1*7)=195
195 % 10 = 5
So 921589-67-5 is a valid CAS Registry Number.

921589-67-5Relevant academic research and scientific papers

Substituted pyrroles via olefin cross-metathesis

Donohoe, Timothy J.,Race, Nicholas J.,Bower, John F.,Callens, Cedric K. A.

supporting information; experimental part, p. 4094 - 4097 (2010/11/04)

Olefin cross-metathesis (CM) provides a short and convenient entry to diverse trans-γ-aminoenones. When exposed to either acid or Heck arylation conditions, these intermediates are converted to mono-, di-, or trisubstituted pyrroles. The value of this che

Direct enantio- and diastereoselective Mannich reactions of malonate and β-keto esters with N-Boc and N-Cbz aldimines catalysed by a bifunctional cinchonine derivative

Tillman, A. Louise,Ye, Jinxing,Dixon, Darren J.

, p. 1191 - 1193 (2008/02/03)

A highly enantioselective Mannich reaction between malonate esters and N-Boc and N-Cbz aldimines, catalysed by a bifunctional cinchonine derivative, has been developed; extension of this methodology to encompass the use of 2-substituted-1,3-dicarbonyl nuc

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