25549-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25549-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,4 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25549-27:
(7*2)+(6*5)+(5*5)+(4*4)+(3*9)+(2*2)+(1*7)=123
123 % 10 = 3
So 25549-27-3 is a valid CAS Registry Number.