57967-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57967-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,9,6 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57967-21:
(7*5)+(6*7)+(5*9)+(4*6)+(3*7)+(2*2)+(1*1)=172
172 % 10 = 2
So 57967-21-2 is a valid CAS Registry Number.