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(E)-1-(but-1-en-1-yl)-2-nitrobenzene is an organic compound characterized by a 2-nitrobenzene moiety, which features a nitro group (-NO2) attached to the 2-position of a benzene ring. The compound also has a but-1-en-1-yl group, which is a four-carbon chain with a double bond between the first and second carbon atoms, attached to the 1-position of the benzene ring. This arrangement results in a molecule with a distinct geometric isomerism, where the double bond restricts rotation around the carbon-carbon double bond, leading to the (E) configuration. The compound is known for its potential applications in the synthesis of various organic compounds and may have uses in the chemical industry, particularly in the preparation of dyes, pharmaceuticals, and other specialty chemicals.

7137-91-9

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7137-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7137-91-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,3 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7137-91:
(6*7)+(5*1)+(4*3)+(3*7)+(2*9)+(1*1)=99
99 % 10 = 9
So 7137-91-9 is a valid CAS Registry Number.

7137-91-9Downstream Products

7137-91-9Relevant academic research and scientific papers

THE 3,4-DIHYDRO-N-OXO-3-ETHYL-2,1-BENZOXAZINIUM CATION IN THE SYNTHESIS OF β- AND γ-SUBSTITUTED ARYLBUTANES AND 1-ARYL-2-BUTENES

Trofimova, E. V.,Fedotov, A. N.,Mochalov, S. S.,Shabarov, Yu. S.,Zefirov, N. S.

, p. 463 - 466 (2007/10/02)

The reaction of 3,4-dihydro-N-oxo-3-ethyl-2,1-benzoxazinum salts with reagents with nucleophilic and basic character can be used to obtain β- or γ-substituted arylbutanes and trans-1-aryl-2-butenes.The reactions proceed regiospecifically and are regulated

CYCLIC IONS FROM 2-NITROPHENYLBUTANOLS AND 1-(2-NITROPHENYL)-1-BUTENE AND THEIR ISOMERIC TRANSFORMATIONS IN FLUOROSULFONIC ACID

Trofimova, E. V.,Fedotov, A. N.,Mochalov, S. S.,Shabarov, Yu. S.

, p. 1038 - 1042 (2007/10/02)

Under the influence of fluorosulfonic acid at 20 deg C at the kinetically controlled stage of the reaction 1-(2-nitrophenyl)-2-butanol, 1-(2-nitrophenyl)-3-butanol, and 1-(2-nitrophenyl)-2-butene form 3,4-dihydro-N-oxo-2,1-benzoxazinum ions.Under analogou

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