109845-67-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109845-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,4 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109845-67:
(8*1)+(7*0)+(6*9)+(5*8)+(4*4)+(3*5)+(2*6)+(1*7)=152
152 % 10 = 2
So 109845-67-2 is a valid CAS Registry Number.
109845-67-2Relevant articles and documents
Synthesis of 1-aryl-5-nitrobenzotriazoles
Gornostaev,Bulgakova,Kalashnikova
, (2013)
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.