254428-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 254428-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,4,2 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 254428-02:
(8*2)+(7*5)+(6*4)+(5*4)+(4*2)+(3*8)+(2*0)+(1*2)=129
129 % 10 = 9
So 254428-02-9 is a valid CAS Registry Number.
254428-02-9Relevant academic research and scientific papers
Ledoux, Stephane,Celerier, Jean-Pierre,Lhommet, Gerard
, p. 9019 - 9020 (1999)
Heterocyclic β-amino esters can be diastereoselectively alkylated with alkyl halides to lead to direct precursors of bicyclic alkaloids.