33489-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33489-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,8 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 33489-49:
(7*3)+(6*3)+(5*4)+(4*8)+(3*9)+(2*4)+(1*9)=135
135 % 10 = 5
So 33489-49-5 is a valid CAS Registry Number.