943831-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943831-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,8,3 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 943831-44:
(8*9)+(7*4)+(6*3)+(5*8)+(4*3)+(3*1)+(2*4)+(1*4)=185
185 % 10 = 5
So 943831-44-5 is a valid CAS Registry Number.