716371-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 716371-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,6,3,7 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 716371-76:
(8*7)+(7*1)+(6*6)+(5*3)+(4*7)+(3*1)+(2*7)+(1*6)=165
165 % 10 = 5
So 716371-76-5 is a valid CAS Registry Number.