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Phosphonic acid bis-(3-methyl-butyl) ester, also known as bis(3-methylbutyl) hydrogen phosphonate, is a chemical compound with the molecular formula C9H21O2P. It is a colorless liquid that is soluble in water and has a density of approximately 0.9 g/cm3. This organic phosphorus compound is primarily used as a flame retardant, corrosion inhibitor, and as a component in various industrial applications, such as in the production of lubricants, fuel additives, and metalworking fluids. Its chemical structure consists of a phosphonic acid backbone with two 3-methyl-butyl ester groups attached, which contribute to its unique properties and applications.

2845-16-1

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2845-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2845-16-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,4 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2845-16:
(6*2)+(5*8)+(4*4)+(3*5)+(2*1)+(1*6)=91
91 % 10 = 1
So 2845-16-1 is a valid CAS Registry Number.

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