69525-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69525-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,5,2 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69525-31:
(7*6)+(6*9)+(5*5)+(4*2)+(3*5)+(2*3)+(1*1)=151
151 % 10 = 1
So 69525-31-1 is a valid CAS Registry Number.