117911-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117911-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,1 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117911-65:
(8*1)+(7*1)+(6*7)+(5*9)+(4*1)+(3*1)+(2*6)+(1*5)=126
126 % 10 = 6
So 117911-65-6 is a valid CAS Registry Number.