24989-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24989-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,9,8 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 24989-52:
(7*2)+(6*4)+(5*9)+(4*8)+(3*9)+(2*5)+(1*2)=154
154 % 10 = 4
So 24989-52-4 is a valid CAS Registry Number.