117001-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117001-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,0,0 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117001-65:
(8*1)+(7*1)+(6*7)+(5*0)+(4*0)+(3*1)+(2*6)+(1*5)=77
77 % 10 = 7
So 117001-65-7 is a valid CAS Registry Number.