33559-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33559-54-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,5 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33559-54:
(7*3)+(6*3)+(5*5)+(4*5)+(3*9)+(2*5)+(1*4)=125
125 % 10 = 5
So 33559-54-5 is a valid CAS Registry Number.