39443-41-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39443-41-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,4,4 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39443-41:
(7*3)+(6*9)+(5*4)+(4*4)+(3*3)+(2*4)+(1*1)=129
129 % 10 = 9
So 39443-41-9 is a valid CAS Registry Number.