67889-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67889-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,8 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67889-25:
(7*6)+(6*7)+(5*8)+(4*8)+(3*9)+(2*2)+(1*5)=192
192 % 10 = 2
So 67889-25-2 is a valid CAS Registry Number.