51687-64-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51687-64-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,8 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51687-64:
(7*5)+(6*1)+(5*6)+(4*8)+(3*7)+(2*6)+(1*4)=140
140 % 10 = 0
So 51687-64-0 is a valid CAS Registry Number.
51687-64-0Relevant academic research and scientific papers
Thieno[2,3-d]pyrimidine derivatives
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, (2008/06/13)
Novel thienopyrimidine derivatives which have excellent pharmacological uricosuric activity are prepared by reacting a thiophene derivative with cyanic acid or a salt thereof, urea or a reactive ester of carbamic acid. If desired, alkylated, halogenated o
