117666-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117666-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,6 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117666-75:
(8*1)+(7*1)+(6*7)+(5*6)+(4*6)+(3*6)+(2*7)+(1*5)=148
148 % 10 = 8
So 117666-75-8 is a valid CAS Registry Number.