163495-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163495-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,4,9 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 163495-26:
(8*1)+(7*6)+(6*3)+(5*4)+(4*9)+(3*5)+(2*2)+(1*6)=149
149 % 10 = 9
So 163495-26-9 is a valid CAS Registry Number.