354539-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 354539-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,4,5,3 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 354539-57:
(8*3)+(7*5)+(6*4)+(5*5)+(4*3)+(3*9)+(2*5)+(1*7)=164
164 % 10 = 4
So 354539-57-4 is a valid CAS Registry Number.