145918-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145918-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,9,1 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 145918-84:
(8*1)+(7*4)+(6*5)+(5*9)+(4*1)+(3*8)+(2*8)+(1*4)=159
159 % 10 = 9
So 145918-84-9 is a valid CAS Registry Number.