317355-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317355-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,3,5 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 317355-57:
(8*3)+(7*1)+(6*7)+(5*3)+(4*5)+(3*5)+(2*5)+(1*7)=140
140 % 10 = 0
So 317355-57-0 is a valid CAS Registry Number.