108839-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108839-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,8,3 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 108839-62:
(8*1)+(7*0)+(6*8)+(5*8)+(4*3)+(3*9)+(2*6)+(1*2)=149
149 % 10 = 9
So 108839-62-9 is a valid CAS Registry Number.