44549-37-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 44549-37-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,4,5,4 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 44549-37:
(7*4)+(6*4)+(5*5)+(4*4)+(3*9)+(2*3)+(1*7)=133
133 % 10 = 3
So 44549-37-3 is a valid CAS Registry Number.