1620164-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620164-40-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,1,6 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1620164-40:
(9*1)+(8*6)+(7*2)+(6*0)+(5*1)+(4*6)+(3*4)+(2*4)+(1*0)=120
120 % 10 = 0
So 1620164-40-0 is a valid CAS Registry Number.