871316-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871316-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,3,1 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 871316-18:
(8*8)+(7*7)+(6*1)+(5*3)+(4*1)+(3*6)+(2*1)+(1*8)=166
166 % 10 = 6
So 871316-18-6 is a valid CAS Registry Number.