398487-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 398487-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,8,4,8 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 398487-97:
(8*3)+(7*9)+(6*8)+(5*4)+(4*8)+(3*7)+(2*9)+(1*7)=233
233 % 10 = 3
So 398487-97-3 is a valid CAS Registry Number.