52816-25-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52816-25-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,1 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52816-25:
(7*5)+(6*2)+(5*8)+(4*1)+(3*6)+(2*2)+(1*5)=118
118 % 10 = 8
So 52816-25-8 is a valid CAS Registry Number.