33384-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33384-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,8 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33384-81:
(7*3)+(6*3)+(5*3)+(4*8)+(3*4)+(2*8)+(1*1)=115
115 % 10 = 5
So 33384-81-5 is a valid CAS Registry Number.