139253-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139253-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,5 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139253-53:
(8*1)+(7*3)+(6*9)+(5*2)+(4*5)+(3*3)+(2*5)+(1*3)=135
135 % 10 = 5
So 139253-53-5 is a valid CAS Registry Number.
139253-53-5Relevant academic research and scientific papers
FORMATION OF TETRAHYDROPYRIDINES FROM ARYLNITRILES WITH 2- AND 1-PROPENYL-METALS
Grassberger, Maximilian A.,Horvath, Amarylla,Schulz, Gerhard
, p. 7393 - 7396 (2007/10/02)
Reaction of 4-chlorobenzonitrile or benzonitrile with 2-propenylgrignard or -lithium or with 1-propenyllithium yielded tetrahydropyridines 1 and 8.
