398119-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 398119-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,8,1,1 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 398119-18:
(8*3)+(7*9)+(6*8)+(5*1)+(4*1)+(3*9)+(2*1)+(1*8)=181
181 % 10 = 1
So 398119-18-1 is a valid CAS Registry Number.