33411-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33411-11-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,1 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33411-11:
(7*3)+(6*3)+(5*4)+(4*1)+(3*1)+(2*1)+(1*1)=69
69 % 10 = 9
So 33411-11-9 is a valid CAS Registry Number.