616240-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 616240-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,6,2,4 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 616240-52:
(8*6)+(7*1)+(6*6)+(5*2)+(4*4)+(3*0)+(2*5)+(1*2)=129
129 % 10 = 9
So 616240-52-9 is a valid CAS Registry Number.