1609289-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609289-38-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,2,8 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1609289-38:
(9*1)+(8*6)+(7*0)+(6*9)+(5*2)+(4*8)+(3*9)+(2*3)+(1*8)=194
194 % 10 = 4
So 1609289-38-4 is a valid CAS Registry Number.