330998-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330998-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,9,9 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 330998-62:
(8*3)+(7*3)+(6*0)+(5*9)+(4*9)+(3*8)+(2*6)+(1*2)=164
164 % 10 = 4
So 330998-62-4 is a valid CAS Registry Number.