17426-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17426-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,4,2 and 6 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17426-48:
(7*1)+(6*7)+(5*4)+(4*2)+(3*6)+(2*4)+(1*8)=111
111 % 10 = 1
So 17426-48-1 is a valid CAS Registry Number.
17426-48-1Relevant articles and documents
On the base-induced isomerization of cyclic propargylamides to cyclic allenamides
Fenández, Israel,Monterde, María I.,Plumet, Joaquín
, p. 6029 - 6031 (2007/10/03)
The reaction of lactams 4 (n = 1-5) with propargyl bromide affords propargylamides or allenylamides depending on the ring-size. Theoretical calculations support the dependence of the extension of the isomerization on the ring-size.