161009-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161009-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,0,0 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 161009-84:
(8*1)+(7*6)+(6*1)+(5*0)+(4*0)+(3*9)+(2*8)+(1*4)=103
103 % 10 = 3
So 161009-84-3 is a valid CAS Registry Number.