441-33-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 441-33-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,4 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 441-33:
(5*4)+(4*4)+(3*1)+(2*3)+(1*3)=48
48 % 10 = 8
So 441-33-8 is a valid CAS Registry Number.