339204-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339204-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,2,0 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 339204-58:
(8*3)+(7*3)+(6*9)+(5*2)+(4*0)+(3*4)+(2*5)+(1*8)=139
139 % 10 = 9
So 339204-58-9 is a valid CAS Registry Number.