33759-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33759-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,5 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 33759-53:
(7*3)+(6*3)+(5*7)+(4*5)+(3*9)+(2*5)+(1*3)=134
134 % 10 = 4
So 33759-53-4 is a valid CAS Registry Number.