2941-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2941-40-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,4 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2941-40:
(6*2)+(5*9)+(4*4)+(3*1)+(2*4)+(1*0)=84
84 % 10 = 4
So 2941-40-4 is a valid CAS Registry Number.