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The chemical compound "(C4H9)3SnOP(OC2H5)2" is a triorganotin phosphate ester, which is a type of organotin compound. It consists of a central tin (Sn) atom bonded to three butyl (C4H9) groups and a phosphorus (P) atom. The phosphorus atom is further bonded to two ethoxy (OC2H5) groups, making it a diester. (C4H9)3SnOP(OC2H5)2 is known for its potential use as a flame retardant and as a catalyst in various chemical reactions. It is also recognized for its environmental impact, as organotin compounds can be toxic to marine life and are therefore subject to regulations in many countries.

28089-27-2

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28089-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28089-27-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,8 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28089-27:
(7*2)+(6*8)+(5*0)+(4*8)+(3*9)+(2*2)+(1*7)=132
132 % 10 = 2
So 28089-27-2 is a valid CAS Registry Number.

28089-27-2Downstream Products

28089-27-2Relevant academic research and scientific papers

A New Type of Silicon-Tin Rearrangement Involving Neighbouring Group Participation of an α-Phosphoryl Group

Sekine, Mitsuo,Kume, Akiko,Hata, Tsujiaki

, p. 969 - 970 (1981)

Diethyl 1-hydroxy-3-phenyl-1-trimethylsilylpropylphosphonate (5) underwent silicon-tin rearrangement with tributyltin alkoxides to afford the 1-silyloxy-1-stannylpropylphosphonate (6) in high yield; the 1-hydroxypropylphosphonate (8) was converted by treatment with a stannylating agent into the ketone (9).

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