338393-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338393-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,3,9 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 338393-27:
(8*3)+(7*3)+(6*8)+(5*3)+(4*9)+(3*3)+(2*2)+(1*7)=164
164 % 10 = 4
So 338393-27-4 is a valid CAS Registry Number.