39444-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39444-51-4 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 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39444-51:
(7*3)+(6*9)+(5*4)+(4*4)+(3*4)+(2*5)+(1*1)=134
134 % 10 = 4
So 39444-51-4 is a valid CAS Registry Number.