75380-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75380-58-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,8 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75380-58:
(7*7)+(6*5)+(5*3)+(4*8)+(3*0)+(2*5)+(1*8)=144
144 % 10 = 4
So 75380-58-4 is a valid CAS Registry Number.
75380-58-4Relevant academic research and scientific papers
Kuz'menko, V. V.,Komissarov, V. N.,Simonov, A. M.
, p. 634 - 637 (1980)
2,4-Disubstituted pyrazolobenzimidazoles were obtained by the action of carboxylic acid anhydrides on 1-amino-2-methyl-3-alkylbenzimidazolium salts in the presence of potassium carbonate.