75716-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75716-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,1 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75716-83:
(7*7)+(6*5)+(5*7)+(4*1)+(3*6)+(2*8)+(1*3)=155
155 % 10 = 5
So 75716-83-5 is a valid CAS Registry Number.