108321-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108321-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,3,2 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 108321-89:
(8*1)+(7*0)+(6*8)+(5*3)+(4*2)+(3*1)+(2*8)+(1*9)=107
107 % 10 = 7
So 108321-89-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H24N4O4/c1-13(2)18(20(26)22-15-8-10-16(11-9-15)24(27)28)23-19(25)17(21)12-14-6-4-3-5-7-14/h3-11,13,17-18H,12,21H2,1-2H3,(H,22,26)(H,23,25)