2826-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2826-43-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,2 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2826-43:
(6*2)+(5*8)+(4*2)+(3*6)+(2*4)+(1*3)=89
89 % 10 = 9
So 2826-43-9 is a valid CAS Registry Number.