16261-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16261-79-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,6 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16261-79:
(7*1)+(6*6)+(5*2)+(4*6)+(3*1)+(2*7)+(1*9)=103
103 % 10 = 3
So 16261-79-3 is a valid CAS Registry Number.