67209-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67209-59-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,0 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67209-59:
(7*6)+(6*7)+(5*2)+(4*0)+(3*9)+(2*5)+(1*9)=140
140 % 10 = 0
So 67209-59-0 is a valid CAS Registry Number.