159389-46-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159389-46-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,3,8 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 159389-46:
(8*1)+(7*5)+(6*9)+(5*3)+(4*8)+(3*9)+(2*4)+(1*6)=185
185 % 10 = 5
So 159389-46-5 is a valid CAS Registry Number.