41680-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41680-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,6,8 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 41680-83:
(7*4)+(6*1)+(5*6)+(4*8)+(3*0)+(2*8)+(1*3)=115
115 % 10 = 5
So 41680-83-5 is a valid CAS Registry Number.