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128537-48-4

4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID is a pyrazole derivative with a molecular formula C8H10BrN3O2, featuring a carboxylic acid functional group and a bromine atom attached to the 4-position of the pyrazole ring. This chemical compound holds potential in medicinal chemistry and pharmaceutical research due to the diverse biological activities exhibited by pyrazole derivatives, such as anti-inflammatory and antifungal properties.

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  • 128537-48-4 Structure

  • Basic information

    1. Product Name: 4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
    2. Synonyms: 4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID;4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID(WXC08354)
    3. CAS NO:128537-48-4
    4. Molecular Formula: C7H9BrN2O2
    5. Molecular Weight: 233.06
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 128537-48-4.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID(CAS DataBase Reference)
    10. NIST Chemistry Reference: 4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID(128537-48-4)
    11. EPA Substance Registry System: 4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID(128537-48-4)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 128537-48-4(Hazardous Substances Data)

128537-48-4 Usage

Uses

Used in Medicinal Chemistry:
4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID is used as a chemical building block for the development of new pharmaceuticals, given its unique structure and functional groups that can be further modified or used in the synthesis of bioactive compounds.
Used in Pharmaceutical Research:
4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID is used as a starting material for the exploration of its potential therapeutic applications, particularly due to the known biological activities of pyrazole derivatives, which include anti-inflammatory and antifungal properties. Further research may lead to its development as a valuable therapeutic agent.

Check Digit Verification of cas no

The CAS Registry Mumber 128537-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,3 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128537-48:
(8*1)+(7*2)+(6*8)+(5*5)+(4*3)+(3*7)+(2*4)+(1*8)=144
144 % 10 = 4
So 128537-48-4 is a valid CAS Registry Number.

128537-48-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-bromo-5-ethyl-2-methylpyrazole-3-carboxylic acid

1.2 Other means of identification

Product number -
Other names 4-bromo-5-ethyl-2-methyl-3-pyrazolecarboxylic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:128537-48-4 SDS

128537-48-4Downstream Products

128537-48-4Relevant articles and documents

Design, synthesis and biological evaluation of 1H-pyrazole-5-carboxamide derivatives as potential fungicidal and insecticidal agents

Huang, Danling,Huang, Mingzhi,Liu, Weidong,Liu, Aiping,Liu, Xingping,Chen, Xiaoyang,Pei, Hui,Sun, Jiong,Yin, Dulin,Wang, Xiaoguang

, p. 2053 - 2061 (2017/09/30)

A series of novel 1H-pyrazole-5-carboxamide compounds containing the phenyl thiazole moiety were designed and synthesized by a facile method, and their structures were characterized by 1H NMR, mass spectrometry and elemental analysis. Bioassay results showed that most of the title compounds showed potent fungicidal activities against Erysiphe graminis and insecticidal activity against Aphis fabae. Especially, compound 9b has EC50 values of 3.04 mg/L against Erysiphe graminis, of which the fungicidal activity is better than that of the commercial fungicide Thifluzamide and Azoxystrobinare; compound 9l has LC50 values of 3.81 mg/L against Aphis fabae, which was comparable with the commercial insecticide Tolfenpyrad. It is suggested that 1H-pyrazole-5-carboxamide compounds containing the phenyl thiazole moiety could be considered as a precursor structure for further design of pesticides. Graphical Abstract: A series of novel 1H-pyrazole-5-carboxamide compounds containing the phenyl thiazole moiety were designed and synthesized by a facile method, and their structures were characterized by 1H NMR, mass spectrometry and elemental analysis. Bioassay results showed that most of the title compounds showed potent fungicidal activities against Erysiphe graminis and insecticidal activity against Aphis fabae. Especially, compound 9b has EC50 values of 3.04 mg/L against Erysiphe graminis, of which the fungicidal activity is better than that of the commercial fungicide Thifluzamide and Azoxystrobinare; compound 9l has LC50 values of 3.81 mg/L against Aphis fabae, which was comparable with the commercial insecticide Tolfenpyrad. It is suggested that 1H-pyrazole-5-carboxamide compounds containing the phenyl thiazole moiety could be considered as a precursor structure for further design of pesticides.[Figure not available: see fulltext.]

Synthesis and anti-TMV activity of novel N-(3-alkyl-1H-pyrazol-4-yl)-3- alkyl-4-substituted-1H-pyrazole-5-carboxamides

Zhang, Da Qiang,Xu, Gao Fei,Fan, Zhi Jin,Wang, Dao Quan,Yang, Xin Ling,Yuan, De Kai

scheme or table, p. 669 - 672 (2012/07/17)

In order to investigate the biological activity of novel bis-pyrazole compounds, a series of N-(3-alkyl-5-(N-methylcarbamyl)-1H-pyrazol-4-yl)-3-alkyl- 4-substituted-1H-pyrazole-5-carboxamides were designed and synthesized with ethyl 3-alkyl-1H-pyrazole-5-

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