38972-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38972-90-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,9,7 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 38972-90:
(7*3)+(6*8)+(5*9)+(4*7)+(3*2)+(2*9)+(1*0)=166
166 % 10 = 6
So 38972-90-6 is a valid CAS Registry Number.
InChI:InChI=1/C20H26N4O5/c1-13(2)8-17(19(26)27)23-18(25)16(9-15-10-21-12-22-15)24-20(28)29-11-14-6-4-3-5-7-14/h3-7,10,12-13,16-17H,8-9,11H2,1-2H3,(H,21,22)(H,23,25)(H,24,28)(H,26,27)