39581-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39581-44-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,5,8 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 39581-44:
(7*3)+(6*9)+(5*5)+(4*8)+(3*1)+(2*4)+(1*4)=147
147 % 10 = 7
So 39581-44-7 is a valid CAS Registry Number.