26176-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26176-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,7 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26176-16:
(7*2)+(6*6)+(5*1)+(4*7)+(3*6)+(2*1)+(1*6)=109
109 % 10 = 9
So 26176-16-9 is a valid CAS Registry Number.