144422-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144422-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,4,2 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144422-81:
(8*1)+(7*4)+(6*4)+(5*4)+(4*2)+(3*2)+(2*8)+(1*1)=111
111 % 10 = 1
So 144422-81-1 is a valid CAS Registry Number.
144422-81-1Relevant articles and documents
A radical route to 2(s)-4-exomethylene proline
Adlington, Robert M.,Mantell, Simon J.
, p. 6529 - 6536 (2007/10/02)
A new route to 2(S)-4-Ethomethylene proline via a favoured 5-Exo-dig radical cyclisation is described.