87653-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87653-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,5 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87653-65:
(7*8)+(6*7)+(5*6)+(4*5)+(3*3)+(2*6)+(1*5)=174
174 % 10 = 4
So 87653-65-4 is a valid CAS Registry Number.
87653-65-4Relevant articles and documents
Pyridazinones. IV. Synthesis, antisecretory and antiulcer activities of urea derivatives
Yamada,Tsukamoto,Shimamura,et al.
, p. 209 - 214 (2007/10/02)
The synthesis of a series of 6-phenyl-3(2H)-pyridazinone derivatives having urea moiety via the addition of free amines into various isocyanates or carbamoyl chlorides was described. The gastric antisecretory activity of these compounds was evaluated usin
