455330-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 455330-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,5,3,3 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 455330-57:
(8*4)+(7*5)+(6*5)+(5*3)+(4*3)+(3*0)+(2*5)+(1*7)=141
141 % 10 = 1
So 455330-57-1 is a valid CAS Registry Number.