120491-50-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120491-50-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,4,9 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 120491-50:
(8*1)+(7*2)+(6*0)+(5*4)+(4*9)+(3*1)+(2*5)+(1*0)=91
91 % 10 = 1
So 120491-50-1 is a valid CAS Registry Number.