339998-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339998-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,9,9 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 339998-25:
(8*3)+(7*3)+(6*9)+(5*9)+(4*9)+(3*8)+(2*2)+(1*5)=213
213 % 10 = 3
So 339998-25-3 is a valid CAS Registry Number.