115846-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115846-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,8,4 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 115846-74:
(8*1)+(7*1)+(6*5)+(5*8)+(4*4)+(3*6)+(2*7)+(1*4)=137
137 % 10 = 7
So 115846-74-7 is a valid CAS Registry Number.
115846-74-7Relevant articles and documents
REACTION OF 2,4,6-TRIPHENYLVERDAZYL WITH TRIFLUOROMETHYLSULFONYLCARBETHOXYDIBROMOMETHANE
Tomilenko, E. I.,Ogoiko, P. I.,Staninets, V. I.
, p. 1226 - 1228 (1987)
An unusual acylation of 2,4,6-triphenylverdazyl by trifluoromethylsulfonylcarbethoxydibromomethane in benzene has been discovered leading to 1-ethoxalyl-2,4,6-triphenyl-1,2,3,4-tetrahydro-sym-tetrazine (1-ethoxalyl-2,4,6-triphenylleukoverdazyl).