177736-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177736-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,7,3 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 177736-16:
(8*1)+(7*7)+(6*7)+(5*7)+(4*3)+(3*6)+(2*1)+(1*6)=172
172 % 10 = 2
So 177736-16-2 is a valid CAS Registry Number.