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Brom-p-toluoyl-methylen-triphenyl-phosphoran, also known as (4-bromophenyl)(phenyl)methylidyne)triphenylphosphorane, is a phosphorus-containing organometallic compound with the chemical formula C25H20BrP. It is a colorless crystalline solid that is sensitive to air and moisture. -triphenyl-phosphoran is primarily used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through the Wittig reaction, where it acts as a phosphorus ylide. The bromo substituent on the aromatic ring allows for selective reactions and can be used to introduce bromine into various organic molecules. Due to its reactivity, it is typically handled under an inert atmosphere and is stored away from light and heat.

3201-61-4

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3201-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3201-61-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,0 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3201-61:
(6*3)+(5*2)+(4*0)+(3*1)+(2*6)+(1*1)=44
44 % 10 = 4
So 3201-61-4 is a valid CAS Registry Number.

3201-61-4Relevant academic research and scientific papers

PYROLYSIS OF α-HALOPHOSPHORANES -> HALOACETYLENES

Braga, Antoenio L.,Comasseto, Joaeo V.

, p. 2877 - 2884 (2007/10/02)

α-Halophosphoranes upon pyrolysis give haloacetylenes in moderate yields.

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