689730-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689730-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,7,3 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 689730-57:
(8*6)+(7*8)+(6*9)+(5*7)+(4*3)+(3*0)+(2*5)+(1*7)=222
222 % 10 = 2
So 689730-57-2 is a valid CAS Registry Number.
689730-57-2Relevant articles and documents
Anthelmintic 1-(substituted phenyl)-3-alkanimidoyl ureas
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, (2008/06/13)
The compounds of this invention are novel imidoylureas having anthelmintic activity and imidoylthioureas having antifertility activity. They are prepared by the reaction of appropriate amidines with appropriate isocyanates or isothiocyanates.
