75824-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75824-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,2 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75824-20:
(7*7)+(6*5)+(5*8)+(4*2)+(3*4)+(2*2)+(1*0)=143
143 % 10 = 3
So 75824-20-3 is a valid CAS Registry Number.