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Diethyl 1-hydroxy-2,2,2-trichloroethylphosphonate, also known as DEHP or Bis(2-chloroethyl) hydrogen phosphate, is an organophosphorus compound with the chemical formula C4H8Cl3O3P. It is a colorless, oily liquid that is soluble in most organic solvents. DEHP is primarily used as a plasticizer, increasing the flexibility and durability of various materials, particularly in the production of polyvinyl chloride (PVC) products. It is also employed as a flame retardant and a stabilizer in the manufacturing of plastics, rubber, and adhesives. However, due to concerns over its potential health and environmental impacts, including endocrine disruption and persistence in the environment, its use has been restricted or banned in certain applications and regions.

993-86-2

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993-86-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 993-86-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 993-86:
(5*9)+(4*9)+(3*3)+(2*8)+(1*6)=112
112 % 10 = 2
So 993-86-2 is a valid CAS Registry Number.
InChI:InChI=1/C6H12Cl3O4P/c1-3-12-14(11,13-4-2)5(10)6(7,8)9/h5,10H,3-4H2,1-2H3

993-86-2Relevant academic research and scientific papers

Polyfluoroalloxy phosphonic and phosphinic acid derivatives: I. 1-Hydroxy-2,2,2-trichloroethylphosphinates

Krutikova,Krutikov,Erkin

experimental part, p. 428 - 433 (2010/08/04)

Polyfluoroalkyl esters of 1-hydroxy-2,2,2-trichloroethylphosphonic and aryl(alkyl-)phosphinic acids exhibited antienzyme activity towards esterases of animal and microbial origin. A good correlation is observed between high antiesterase activity of the target compounds and their physicochemical parameters, characterizing their structure.

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