620175-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 620175-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,1,7 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 620175-89:
(8*6)+(7*2)+(6*0)+(5*1)+(4*7)+(3*5)+(2*8)+(1*9)=135
135 % 10 = 5
So 620175-89-5 is a valid CAS Registry Number.