25815-92-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25815-92-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,1 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25815-92:
(7*2)+(6*5)+(5*8)+(4*1)+(3*5)+(2*9)+(1*2)=123
123 % 10 = 3
So 25815-92-3 is a valid CAS Registry Number.