1620773-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620773-76-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,7,7 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1620773-76:
(9*1)+(8*6)+(7*2)+(6*0)+(5*7)+(4*7)+(3*3)+(2*7)+(1*6)=163
163 % 10 = 3
So 1620773-76-3 is a valid CAS Registry Number.