75583-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75583-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,8 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75583-57:
(7*7)+(6*5)+(5*5)+(4*8)+(3*3)+(2*5)+(1*7)=162
162 % 10 = 2
So 75583-57-2 is a valid CAS Registry Number.