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diethyl α-bromo-4-bromobenzylphosphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23755-79-5

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23755-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23755-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,5 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 23755-79:
(7*2)+(6*3)+(5*7)+(4*5)+(3*5)+(2*7)+(1*9)=125
125 % 10 = 5
So 23755-79-5 is a valid CAS Registry Number.

23755-79-5Downstream Products

23755-79-5Relevant academic research and scientific papers

Controlled monohalogenation of phosphonates: A new route to pure α- monohalogenated diethyl benzylphosphonates

Iorga, Bogdan,Eymery, Frederic,Savignac, Philippe

, p. 2671 - 2686 (1999)

Starting from diethyl benzylphosphonates, a wide variety of diethyl α- monofluoro, chloro, bromo and iodobenzylphosphonates have been obtained in pure form by a one-pot procedure. This high yielding method implies the intermediate protection of the benzyl anion with TMSCI followed by halogenation with an electrophilic halogenating reagent.

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