2441-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2441-69-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,4 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2441-69:
(6*2)+(5*4)+(4*4)+(3*1)+(2*6)+(1*9)=72
72 % 10 = 2
So 2441-69-2 is a valid CAS Registry Number.