6163-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6163-39-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,6 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6163-39:
(6*6)+(5*1)+(4*6)+(3*3)+(2*3)+(1*9)=89
89 % 10 = 9
So 6163-39-9 is a valid CAS Registry Number.