16726-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16726-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,2 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16726-63:
(7*1)+(6*6)+(5*7)+(4*2)+(3*6)+(2*6)+(1*3)=119
119 % 10 = 9
So 16726-63-9 is a valid CAS Registry Number.