83066-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83066-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,6 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83066-61:
(7*8)+(6*3)+(5*0)+(4*6)+(3*6)+(2*6)+(1*1)=129
129 % 10 = 9
So 83066-61-9 is a valid CAS Registry Number.