16506-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16506-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,0 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16506-98:
(7*1)+(6*6)+(5*5)+(4*0)+(3*6)+(2*9)+(1*8)=112
112 % 10 = 2
So 16506-98-2 is a valid CAS Registry Number.