16158-98-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16158-98-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,5 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16158-98:
(7*1)+(6*6)+(5*1)+(4*5)+(3*8)+(2*9)+(1*8)=118
118 % 10 = 8
So 16158-98-8 is a valid CAS Registry Number.