17057-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17057-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,0,5 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17057-59:
(7*1)+(6*7)+(5*0)+(4*5)+(3*7)+(2*5)+(1*9)=109
109 % 10 = 9
So 17057-59-9 is a valid CAS Registry Number.