339558-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339558-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,5,5 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 339558-31:
(8*3)+(7*3)+(6*9)+(5*5)+(4*5)+(3*8)+(2*3)+(1*1)=175
175 % 10 = 5
So 339558-31-5 is a valid CAS Registry Number.