124020-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124020-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,0,2 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 124020-09:
(8*1)+(7*2)+(6*4)+(5*0)+(4*2)+(3*0)+(2*0)+(1*9)=63
63 % 10 = 3
So 124020-09-3 is a valid CAS Registry Number.