75311-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75311-70-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,1 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75311-70:
(7*7)+(6*5)+(5*3)+(4*1)+(3*1)+(2*7)+(1*0)=115
115 % 10 = 5
So 75311-70-5 is a valid CAS Registry Number.