77837-12-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77837-12-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,3 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77837-12:
(7*7)+(6*7)+(5*8)+(4*3)+(3*7)+(2*1)+(1*2)=168
168 % 10 = 8
So 77837-12-8 is a valid CAS Registry Number.
77837-12-8Relevant articles and documents
IMINATION OF PYRIDINIUM AND QUINOLINIUM SALTS
Plas, H. C. van der,Buurman, D. J.
, p. 3763 - 3764 (2007/10/02)
A new method for imination of N-alkyl pyridinium- and quinolinium salts is described.It involves a low temperature oxidation of a solution of appropriate substrates in liquid ammonia with potassium permanganate.