612090-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 612090-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,0,9 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 612090-56:
(8*6)+(7*1)+(6*2)+(5*0)+(4*9)+(3*0)+(2*5)+(1*6)=119
119 % 10 = 9
So 612090-56-9 is a valid CAS Registry Number.