117910-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117910-65-3 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 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117910-65:
(8*1)+(7*1)+(6*7)+(5*9)+(4*1)+(3*0)+(2*6)+(1*5)=123
123 % 10 = 3
So 117910-65-3 is a valid CAS Registry Number.