120500-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120500-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,5,0 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120500-28:
(8*1)+(7*2)+(6*0)+(5*5)+(4*0)+(3*0)+(2*2)+(1*8)=59
59 % 10 = 9
So 120500-28-9 is a valid CAS Registry Number.