681459-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 681459-78-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,4,5 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 681459-78:
(8*6)+(7*8)+(6*1)+(5*4)+(4*5)+(3*9)+(2*7)+(1*8)=199
199 % 10 = 9
So 681459-78-9 is a valid CAS Registry Number.