4126-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4126-81-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,2 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4126-81:
(6*4)+(5*1)+(4*2)+(3*6)+(2*8)+(1*1)=72
72 % 10 = 2
So 4126-81-2 is a valid CAS Registry Number.
InChI:InChI=1/C7H5Cl2.6ClH.Sb/c8-7(9)6-4-2-1-3-5-6;;;;;;;/h1-5H;6*1H;/q+1;;;;;;;+5/p-6/rC7H5Cl2.Cl6Sb/c8-7(9)6-4-2-1-3-5-6;1-7(2,3,4,5)6/h1-5H;/q+1;-1