90057-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90057-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,5 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90057-17:
(7*9)+(6*0)+(5*0)+(4*5)+(3*7)+(2*1)+(1*7)=113
113 % 10 = 3
So 90057-17-3 is a valid CAS Registry Number.