1616883-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616883-24-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,8,8 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1616883-24:
(9*1)+(8*6)+(7*1)+(6*6)+(5*8)+(4*8)+(3*3)+(2*2)+(1*4)=189
189 % 10 = 9
So 1616883-24-9 is a valid CAS Registry Number.