20344-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20344-69-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,4 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20344-69:
(7*2)+(6*0)+(5*3)+(4*4)+(3*4)+(2*6)+(1*9)=78
78 % 10 = 8
So 20344-69-8 is a valid CAS Registry Number.
InChI:InChI=1/C13H16N4O2/c1-18-10-4-8(5-11(6-10)19-2)3-9-7-16-13(15)17-12(9)14/h4-7H,3H2,1-2H3,(H4,14,15,16,17)
20344-69-8Relevant academic research and scientific papers
Pharmaceutical compositions
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, (2008/06/13)
The compounds of the general Formula I STR1 (wherein R1 and R2 may be the same or different and each stands for hydrogen, hydroxy, C1-6 alkoxy, C1-6 alkoxy-C1-6 alkoxy, C2-6 alkenyloxy or p