281213-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 281213-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,1,2,1 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 281213-44:
(8*2)+(7*8)+(6*1)+(5*2)+(4*1)+(3*3)+(2*4)+(1*4)=113
113 % 10 = 3
So 281213-44-3 is a valid CAS Registry Number.