159924-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159924-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,9,2 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 159924-61:
(8*1)+(7*5)+(6*9)+(5*9)+(4*2)+(3*4)+(2*6)+(1*1)=175
175 % 10 = 5
So 159924-61-5 is a valid CAS Registry Number.