439115-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439115-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,1,1 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 439115-26:
(8*4)+(7*3)+(6*9)+(5*1)+(4*1)+(3*5)+(2*2)+(1*6)=141
141 % 10 = 1
So 439115-26-1 is a valid CAS Registry Number.