1609559-01-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609559-01-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,5,5 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1609559-01:
(9*1)+(8*6)+(7*0)+(6*9)+(5*5)+(4*5)+(3*9)+(2*0)+(1*1)=184
184 % 10 = 4
So 1609559-01-4 is a valid CAS Registry Number.