70546-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70546-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,4 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70546-80:
(7*7)+(6*0)+(5*5)+(4*4)+(3*6)+(2*8)+(1*0)=124
124 % 10 = 4
So 70546-80-4 is a valid CAS Registry Number.
70546-80-4Relevant articles and documents
A novel base-induced ring expansion of quaternized heterocycles
Federsel, Hans-Juergen,Bergman, Jan
, p. 2429 - 2432 (2007/10/02)
The synthesis of some 6-, 7- and 8-membered heterocycles through a base induced ring expansion of quaternized thiazolium, oxazolium and selenazolium salts is described.
