41839-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41839-44-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,3 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 41839-44:
(7*4)+(6*1)+(5*8)+(4*3)+(3*9)+(2*4)+(1*4)=125
125 % 10 = 5
So 41839-44-5 is a valid CAS Registry Number.