75891-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75891-04-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,9 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75891-04:
(7*7)+(6*5)+(5*8)+(4*9)+(3*1)+(2*0)+(1*4)=162
162 % 10 = 2
So 75891-04-2 is a valid CAS Registry Number.