25187-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25187-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,1,8 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 25187-69:
(7*2)+(6*5)+(5*1)+(4*8)+(3*7)+(2*6)+(1*9)=123
123 % 10 = 3
So 25187-69-3 is a valid CAS Registry Number.