117653-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117653-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,5 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117653-41:
(8*1)+(7*1)+(6*7)+(5*6)+(4*5)+(3*3)+(2*4)+(1*1)=125
125 % 10 = 5
So 117653-41-5 is a valid CAS Registry Number.