339015-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339015-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,0,1 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 339015-80:
(8*3)+(7*3)+(6*9)+(5*0)+(4*1)+(3*5)+(2*8)+(1*0)=134
134 % 10 = 4
So 339015-80-4 is a valid CAS Registry Number.