52980-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52980-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,8 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 52980-66:
(7*5)+(6*2)+(5*9)+(4*8)+(3*0)+(2*6)+(1*6)=142
142 % 10 = 2
So 52980-66-2 is a valid CAS Registry Number.
InChI:InChI=1/C20H22N8O5/c1-28(9-11-8-23-15-16(21)26-20(22)27-17(15)24-11)12-4-2-10(3-5-12)18(31)25-13(19(32)33)6-7-14(29)30/h2-5,8,13H,6-7,9H2,1H3,(H,25,31)(H,29,30)(H,32,33)(H4,21,22,24,26,27)/t13-/m0/s1