8002-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 8002-71-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 8002-71:
(6*8)+(5*0)+(4*0)+(3*2)+(2*7)+(1*1)=69
69 % 10 = 9
So 8002-71-9 is a valid CAS Registry Number.