33428-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33428-70-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,2 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33428-70:
(7*3)+(6*3)+(5*4)+(4*2)+(3*8)+(2*7)+(1*0)=105
105 % 10 = 5
So 33428-70-5 is a valid CAS Registry Number.