20869-29-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20869-29-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,6 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20869-29:
(7*2)+(6*0)+(5*8)+(4*6)+(3*9)+(2*2)+(1*9)=118
118 % 10 = 8
So 20869-29-8 is a valid CAS Registry Number.