25798-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25798-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,7,9 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25798-68:
(7*2)+(6*5)+(5*7)+(4*9)+(3*8)+(2*6)+(1*8)=159
159 % 10 = 9
So 25798-68-9 is a valid CAS Registry Number.