75422-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75422-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,2 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75422-18:
(7*7)+(6*5)+(5*4)+(4*2)+(3*2)+(2*1)+(1*8)=123
123 % 10 = 3
So 75422-18-3 is a valid CAS Registry Number.