339109-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339109-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,1,0 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 339109-44:
(8*3)+(7*3)+(6*9)+(5*1)+(4*0)+(3*9)+(2*4)+(1*4)=143
143 % 10 = 3
So 339109-44-3 is a valid CAS Registry Number.