681449-07-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 681449-07-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,4,4 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 681449-07:
(8*6)+(7*8)+(6*1)+(5*4)+(4*4)+(3*9)+(2*0)+(1*7)=180
180 % 10 = 0
So 681449-07-0 is a valid CAS Registry Number.