1620620-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620620-04-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,6,2 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1620620-04:
(9*1)+(8*6)+(7*2)+(6*0)+(5*6)+(4*2)+(3*0)+(2*0)+(1*4)=113
113 % 10 = 3
So 1620620-04-3 is a valid CAS Registry Number.