458543-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 458543-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,8,5,4 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 458543-75:
(8*4)+(7*5)+(6*8)+(5*5)+(4*4)+(3*3)+(2*7)+(1*5)=184
184 % 10 = 4
So 458543-75-4 is a valid CAS Registry Number.