25494-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25494-15-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,4,9 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25494-15:
(7*2)+(6*5)+(5*4)+(4*9)+(3*4)+(2*1)+(1*5)=119
119 % 10 = 9
So 25494-15-9 is a valid CAS Registry Number.