120855-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120855-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,8,5 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120855-52:
(8*1)+(7*2)+(6*0)+(5*8)+(4*5)+(3*5)+(2*5)+(1*2)=109
109 % 10 = 9
So 120855-52-9 is a valid CAS Registry Number.