117676-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117676-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,7 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 117676-66:
(8*1)+(7*1)+(6*7)+(5*6)+(4*7)+(3*6)+(2*6)+(1*6)=151
151 % 10 = 1
So 117676-66-1 is a valid CAS Registry Number.