75216-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75216-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,1 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75216-43:
(7*7)+(6*5)+(5*2)+(4*1)+(3*6)+(2*4)+(1*3)=122
122 % 10 = 2
So 75216-43-2 is a valid CAS Registry Number.