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3-bromomethyl-3-phenyl-1,2-propadiene is an organic compound characterized by a unique structure that features a 1,2-propadiene backbone, which is a three-carbon chain with a double bond between the first and second carbons and a triple bond between the second and third carbons. This molecule is further distinguished by the presence of a bromine atom attached to the methyl group (-CH2Br) and a phenyl ring (C6H5) bonded to the third carbon. The combination of these functional groups gives the compound specific chemical properties and reactivity, making it a potentially useful intermediate in the synthesis of various organic compounds. Its molecular formula is C9H9Br, and it has a molecular weight of approximately 197.08 g/mol. 3-bromomethyl-3-phenyl-1,2-propadiene is of interest in organic chemistry due to its potential applications in the preparation of pharmaceuticals, agrochemicals, and other specialty chemicals.

2219-57-0

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2219-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2219-57-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,1 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2219-57:
(6*2)+(5*2)+(4*1)+(3*9)+(2*5)+(1*7)=70
70 % 10 = 0
So 2219-57-0 is a valid CAS Registry Number.

2219-57-0Relevant academic research and scientific papers

One-pot construction of aza-or oxa-bridged benzocycloheptanes from readily available 2,3-allenyl malonates or 2,3-allenols and o-iodobenzaldehyde or imine

Li, Qiankun,Jiang, Xinpeng,Fu, Chunling,Ma, Shengming

supporting information; experimental part, p. 466 - 469 (2011/04/15)

A Pd(OAc)2-catalyzed reaction of 2,3-alkadienyl malonates or 2,3-allenols with o-iodobenzaldehyde or its N-tosyl imine occurred smoothly in MeCN at 80 °C to form the oxa-or aza-bridged benzocycloheptane derivatives with important biological pot

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