75116-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75116-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,1 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75116-67:
(7*7)+(6*5)+(5*1)+(4*1)+(3*6)+(2*6)+(1*7)=125
125 % 10 = 5
So 75116-67-5 is a valid CAS Registry Number.
75116-67-5Relevant articles and documents
Synthesis of 1-aryl-5-nitrobenzotriazoles
Gornostaev,Bulgakova,Kalashnikova
, p. 1281 - 1284 (2014/01/17)
3-Aryl-1-(3-nitrophenyl)triazenes were obtained in the cyclization reaction of diazotized 3-nitroaniline with arylamines in the presence of dimethyl sulfoxide and potassium carbonate to give 1-aryl-5-nitrobenzotriazoles.