1616506-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616506-43-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,5,0 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1616506-43:
(9*1)+(8*6)+(7*1)+(6*6)+(5*5)+(4*0)+(3*6)+(2*4)+(1*3)=154
154 % 10 = 4
So 1616506-43-4 is a valid CAS Registry Number.