871316-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871316-27-7 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, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 871316-27:
(8*8)+(7*7)+(6*1)+(5*3)+(4*1)+(3*6)+(2*2)+(1*7)=167
167 % 10 = 7
So 871316-27-7 is a valid CAS Registry Number.