75541-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75541-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,4 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75541-93:
(7*7)+(6*5)+(5*5)+(4*4)+(3*1)+(2*9)+(1*3)=144
144 % 10 = 4
So 75541-93-4 is a valid CAS Registry Number.