33284-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33284-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,2,8 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33284-22:
(7*3)+(6*3)+(5*2)+(4*8)+(3*4)+(2*2)+(1*2)=99
99 % 10 = 9
So 33284-22-9 is a valid CAS Registry Number.