33439-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33439-84-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,3 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33439-84:
(7*3)+(6*3)+(5*4)+(4*3)+(3*9)+(2*8)+(1*4)=118
118 % 10 = 8
So 33439-84-8 is a valid CAS Registry Number.