1616475-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616475-70-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,4,7 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1616475-70:
(9*1)+(8*6)+(7*1)+(6*6)+(5*4)+(4*7)+(3*5)+(2*7)+(1*0)=177
177 % 10 = 7
So 1616475-70-7 is a valid CAS Registry Number.