25780-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25780-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,7,8 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25780-31:
(7*2)+(6*5)+(5*7)+(4*8)+(3*0)+(2*3)+(1*1)=118
118 % 10 = 8
So 25780-31-8 is a valid CAS Registry Number.