684237-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 684237-59-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,4,2,3 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 684237-59:
(8*6)+(7*8)+(6*4)+(5*2)+(4*3)+(3*7)+(2*5)+(1*9)=190
190 % 10 = 0
So 684237-59-0 is a valid CAS Registry Number.