106989-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106989-34-8 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 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 106989-34:
(8*1)+(7*0)+(6*6)+(5*9)+(4*8)+(3*9)+(2*3)+(1*4)=158
158 % 10 = 8
So 106989-34-8 is a valid CAS Registry Number.