199436-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199436-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,4,3 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 199436-25:
(8*1)+(7*9)+(6*9)+(5*4)+(4*3)+(3*6)+(2*2)+(1*5)=184
184 % 10 = 4
So 199436-25-4 is a valid CAS Registry Number.
199436-25-4Relevant academic research and scientific papers
Stereocontrolled synthesis of enantiopure substituted 4-aminopyrrolidin-2-ones
Langlois, Nicole,Calvez, Olivier,Radom, Marie-Odile
, p. 8037 - 8040 (2007/10/03)
The highly diastereoselective conjugate addition of N-benzylhydroxylamine and benzylamine to α,β-unsaturated lactam 3 provided an efficient entry to enantiopure (4S,5S)-4-amino-5-hydroxymethylpyrrolidin-2-ones.
