75311-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75311-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,1 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75311-78:
(7*7)+(6*5)+(5*3)+(4*1)+(3*1)+(2*7)+(1*8)=123
123 % 10 = 3
So 75311-78-3 is a valid CAS Registry Number.