709001-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 709001-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,9,0,0 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 709001-80:
(8*7)+(7*0)+(6*9)+(5*0)+(4*0)+(3*1)+(2*8)+(1*0)=129
129 % 10 = 9
So 709001-80-9 is a valid CAS Registry Number.