77668-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77668-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,6 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77668-89:
(7*7)+(6*7)+(5*6)+(4*6)+(3*8)+(2*8)+(1*9)=194
194 % 10 = 4
So 77668-89-4 is a valid CAS Registry Number.
77668-89-4Relevant academic research and scientific papers
Treatment with dialkoxy pyridopyrimidine compounds
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, (2008/06/13)
This application is directed to treatment of psoriasis with a pyrido pyrimidine compound such as 2,4-diamino-6-(3,4-dimethoxybenzyl)-5-methylpyrido[2,3-d]pyrimidine.
