111678-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111678-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,6,7 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 111678-56:
(8*1)+(7*1)+(6*1)+(5*6)+(4*7)+(3*8)+(2*5)+(1*6)=119
119 % 10 = 9
So 111678-56-9 is a valid CAS Registry Number.
111678-56-9Relevant articles and documents
Regioselective reaction of 2-indolylcyanocuprates with electrophiles
Ishikura, Minoru,Uemura, Reina,Yamada, Koji,Yanada, Reiko
, p. 2349 - 2356 (2007/10/03)
The reaction of 2-indolylcyanocuprate with electrophiles was found to give rise to 2- and 3-substituted indoles in regioselective manner.