124523-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124523-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,5,2 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 124523-81:
(8*1)+(7*2)+(6*4)+(5*5)+(4*2)+(3*3)+(2*8)+(1*1)=105
105 % 10 = 5
So 124523-81-5 is a valid CAS Registry Number.