177316-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177316-71-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,3,1 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 177316-71:
(8*1)+(7*7)+(6*7)+(5*3)+(4*1)+(3*6)+(2*7)+(1*1)=151
151 % 10 = 1
So 177316-71-1 is a valid CAS Registry Number.