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Benzenamine, 2-ethyl-5-methyl, also known as 2-ethyl-5-methylaniline or 2-ethyl-5-methylbenzenamine, is an organic compound with the chemical formula C9H13N. It is a derivative of aniline, where two methyl groups are attached to the benzene ring at the 2nd and 5th positions, and an ethyl group is attached at the 2nd position. This colorless to pale yellow liquid is used as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds. It is also known for its potential applications in the production of rubber chemicals and agrochemicals. Due to its amine functional group, it can undergo various chemical reactions, such as acylation, alkylation, and nitration. However, it is important to note that benzenamine, 2-ethyl-5-methyl, is considered hazardous due to its potential health risks, including skin and eye irritation, and should be handled with proper safety measures.

4748-81-6

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4748-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4748-81-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4748-81:
(6*4)+(5*7)+(4*4)+(3*8)+(2*8)+(1*1)=116
116 % 10 = 6
So 4748-81-6 is a valid CAS Registry Number.

4748-81-6Relevant academic research and scientific papers

THIAZOLE DERIVATIVES USEFUL AS MUTANT IDH1 INHIBITORS FOR TREATING CANCER

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Paragraph 0113, (2018/04/12)

A compound of Formula II or a pharmaceutically acceptable salt thereof, wherein CyN is a cyclic amine group bound via a nitrogen atom; X is C or N; R1 and R2 are each independently a halogen, CN, CF3, CHF2, CH2F, a C1-C10alkyl group, a C1-C10alkoxy group, a di(C1-C5alkyl)amino; m and n are each independently 1, 2, or 3, and represents either a single bond or a double bond, wherein the racemic mixture of 3-(4-(4-chlorophenyl)thiazol-2-yl)-1-(2-ethyl-5-methoxyphenyl)-6-(2-methylprop-1-en-1-yl)-5-(piperazine-1-carbonyl)pyridin-2(1H)-one atropisomers is excluded.

MOLECULES HAVING CERTAIN PESTICIDAL UTILITIES, AND INTERMEDIATES, COMPOSITIONS, AND PROCESSES RELATED THERETO

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Page/Page column 20-21, (2016/04/26)

This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Nematoda, Arthropoda, and/or Mollusca, processes to produce such molecules and intermediates used in such processes, compositions containing such molecules,

MUTANT IDH1 INHIBITORS USEFUL FOR TREATING CANCER

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Paragraph 0215, (2016/07/27)

Compounds of Formula I and Formula II and the pharmaceutically acceptable salts thereof are disclosed The variables A, B, Y, Z, X1, X2, R1-4 and R13-18 are disclosed herein. The compounds are useful for treating cancer disorders, especially those involving mutant IDH1 enzymes. Pharmaceutical compositions containing compounds of Formula I or Formula II and methods of treatment comprising administering compounds of Formula I and Formula II are also disclosed.

MOLECULES HAVING CERTAIN PESTICIDAL UTILITIES, AND INTERMEDIATES, COMPOSITIONS, AND PROCESSES RELATED THERETO

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Paragraph 0600; 0605; 0608; 0609, (2014/09/29)

This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Nematoda, Arthropoda, and/or Mollusca, processes to produce such molecules and intermediates used in such processes, compositions containing such molecules,

Intramolecular Selectivity of the Alkylation of Substituted Anilines by Gaseous Cations

Attina, Marina,Cacace, Fulvio,de Petris, Giulia

, p. 1556 - 1561 (2007/10/02)

The intramolecular selectivity of the electrophilic reactions of Et(1+), i-Pr(1+), and Me2F(1+) cations with substituted anilines, including m-toluidine, m-anisidine, and m- and p-fluoroaniline, has been investigated in the dilute gas state at pressures ranging from 100 to 720 torr by a radiolytic technique, complemented by chemical ionization mass spectrometry.The results indicate an appreciable kinetic bias for the nitrogen atom, leading to predominant N-methylation by Me2F(1+).The reactivity of the carbenium ions is complicated by the simultaneous occurrence of proton transfer, in particular to the NH2 group, which increases the relative extent of ring alkylation.The positional selectivity is characterized, aside from the usual orienting effects of the substituents, by the enchanced reactivity of the ring positions ortho to an n-type substituent, irrespective of its activating or deactivating properties.The effect is traced to the preliminary formation of an electrostatic adduct between the aniline and the gaseous electrophile.

Reactive yellow dye having both monochlorotriazinyl and vinylsulfone type reactive groups

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, (2008/06/13)

The compounds represented, in the form of free acid, by the following general formula (I): STR1 (wherein A is STR2 (wherein R3 and R4 are each hydrogen or a methyl, ethyl, methoxy, ethoxy, acetylamino, propionylamino, benzoylamino or ureido group, and R5 and R6 are each hydrogen or a methyl or methoxy group), R1 and R2 are each hydrogen or a methyl, ethyl or sulfomethyl group, X1 and X2 are each hydrogen, chlorine or a methyl, methoxy, carboxyl or sulfonic acid group, m is a number of 0, 1 or 2, and n is a number of 1 or 2, provided that the sum of m and n is 1, 2 or 3). These compounds are capable of dyeing cellulose fibers in yellow with excellent color fastness to hypochlorite, light, perspiration and sunlight and high acid stability.

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