25674-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25674-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,7 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25674-68:
(7*2)+(6*5)+(5*6)+(4*7)+(3*4)+(2*6)+(1*8)=134
134 % 10 = 4
So 25674-68-4 is a valid CAS Registry Number.