69806-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69806-25-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,0 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 69806-25:
(7*6)+(6*9)+(5*8)+(4*0)+(3*6)+(2*2)+(1*5)=163
163 % 10 = 3
So 69806-25-3 is a valid CAS Registry Number.