106984-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106984-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,9,8 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 106984-40:
(8*1)+(7*0)+(6*6)+(5*9)+(4*8)+(3*4)+(2*4)+(1*0)=141
141 % 10 = 1
So 106984-40-1 is a valid CAS Registry Number.