98159-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98159-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,5 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98159-68:
(7*9)+(6*8)+(5*1)+(4*5)+(3*9)+(2*6)+(1*8)=183
183 % 10 = 3
So 98159-68-3 is a valid CAS Registry Number.