393165-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 393165-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,3,1,6 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 393165-18:
(8*3)+(7*9)+(6*3)+(5*1)+(4*6)+(3*5)+(2*1)+(1*8)=159
159 % 10 = 9
So 393165-18-9 is a valid CAS Registry Number.