57803-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57803-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,0 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57803-59:
(7*5)+(6*7)+(5*8)+(4*0)+(3*3)+(2*5)+(1*9)=145
145 % 10 = 5
So 57803-59-5 is a valid CAS Registry Number.