159995-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159995-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,9,9 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 159995-97:
(8*1)+(7*5)+(6*9)+(5*9)+(4*9)+(3*5)+(2*9)+(1*7)=218
218 % 10 = 8
So 159995-97-8 is a valid CAS Registry Number.