1608111-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1608111-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,8,1,1 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1608111-72:
(9*1)+(8*6)+(7*0)+(6*8)+(5*1)+(4*1)+(3*1)+(2*7)+(1*2)=133
133 % 10 = 3
So 1608111-72-3 is a valid CAS Registry Number.