1598409-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1598409-40-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,9,8,4,0 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1598409-40:
(9*1)+(8*5)+(7*9)+(6*8)+(5*4)+(4*0)+(3*9)+(2*4)+(1*0)=215
215 % 10 = 5
So 1598409-40-5 is a valid CAS Registry Number.