33424-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33424-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,2 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33424-34:
(7*3)+(6*3)+(5*4)+(4*2)+(3*4)+(2*3)+(1*4)=89
89 % 10 = 9
So 33424-34-9 is a valid CAS Registry Number.