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1H-Pyrazole-3-carboxylic acid, 1-methyl-, ethyl ester (9CI) is a chemical compound with the molecular formula C7H9N3O2. It is a methyl derivative of 1H-pyrazole-3-carboxylic acid, characterized by its white solid appearance and a melting point of 95-98°C. 1H-Pyrazole-3-carboxylicacid,1-methyl-,ethylester(9CI) is commonly utilized in organic synthesis and pharmaceutical research, and has the potential to serve as a building block for the development of various pharmaceuticals and agrochemicals. Its potential biological activities, such as anti-inflammatory and analgesic properties, have been the subject of study, although further research is required to fully elucidate its pharmacological potential and safety profile.

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  • 88529-79-7 Structure
  • Basic information

    1. Product Name: 1H-Pyrazole-3-carboxylicacid,1-methyl-,ethylester(9CI)
    2. Synonyms: 1H-Pyrazole-3-carboxylicacid,1-methyl-,ethylester(9CI);ethyl 1-Methyl-1H-pyrazole-3-carboxylate;Et 1-Methyl-1H-Pyrazole-3-carboxylate;1H-Pyrazole-3-carboxylic acid, 1-Methyl-, ethyl ester;1-Methyl-1H-pyrazole-3-carboxylic acid ethyl ester;1-methyl-3-pyrazolecarboxylic acid ethyl ester;1-methylpyrazole-3-carboxylic acid ethyl ester;ethyl 1-methylpyrazole-3-carboxylate
    3. CAS NO:88529-79-7
    4. Molecular Formula: C7H10N2O2
    5. Molecular Weight: 154.17
    6. EINECS: N/A
    7. Product Categories: GLYCINESCAFFOLD
    8. Mol File: 88529-79-7.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 238.5±13.0℃ (760 Torr)
    3. Flash Point: 98.1±19.8℃
    4. Appearance: /
    5. Density: 1.14±0.1 g/cm3 (20 ºC 760 Torr)
    6. Refractive Index: N/A
    7. Storage Temp.: Sealed in dry,Room Temperature
    8. Solubility: N/A
    9. CAS DataBase Reference: 1H-Pyrazole-3-carboxylicacid,1-methyl-,ethylester(9CI)(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1H-Pyrazole-3-carboxylicacid,1-methyl-,ethylester(9CI)(88529-79-7)
    11. EPA Substance Registry System: 1H-Pyrazole-3-carboxylicacid,1-methyl-,ethylester(9CI)(88529-79-7)
  • 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: 88529-79-7(Hazardous Substances Data)

88529-79-7 Usage

Uses

Used in Pharmaceutical Research:
1H-Pyrazole-3-carboxylic acid, 1-methyl-, ethyl ester (9CI) is used as a building block in pharmaceutical research for the synthesis of various pharmaceuticals. Its versatile chemical structure allows for the development of new compounds with potential therapeutic applications.
Used in Organic Synthesis:
In the field of organic synthesis, 1H-Pyrazole-3-carboxylic acid, 1-methyl-, ethyl ester (9CI) is employed as a key intermediate for the preparation of a range of organic compounds, contributing to the advancement of chemical science and technology.
Used in Agrochemical Development:
1H-Pyrazole-3-carboxylicacid,1-methyl-,ethylester(9CI) also holds potential in the agrochemical industry, where it may be utilized as a precursor for the synthesis of agrochemicals, such as pesticides and herbicides, to improve crop protection and yield.
Used in Biological Activity Studies:
1H-Pyrazole-3-carboxylic acid, 1-methyl-, ethyl ester (9CI) is used in biological activity studies to explore its potential anti-inflammatory and analgesic properties, with the aim of discovering new therapeutic agents for the treatment of various conditions.
Further research is necessary to fully understand the pharmacological potential and safety profile of 1H-Pyrazole-3-carboxylic acid, 1-methyl-, ethyl ester (9CI), ensuring its responsible and effective application in medicine and agriculture.

Check Digit Verification of cas no

The CAS Registry Mumber 88529-79-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,5,2 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 88529-79:
(7*8)+(6*8)+(5*5)+(4*2)+(3*9)+(2*7)+(1*9)=187
187 % 10 = 7
So 88529-79-7 is a valid CAS Registry Number.

88529-79-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name ethyl 1-methylpyrazole-3-carboxylate

1.2 Other means of identification

Product number -
Other names 1H-Pyrazole-3-carboxylic acid, 1-methyl-, ethyl ester

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:88529-79-7 SDS

88529-79-7Relevant articles and documents

METHODS OF CULTURING AND/OR EXPANDING STEM CELLS AND/OR LINEAGE COMMITTED PROGENITOR CELLS USING AMIDO COMPOUNDS

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Paragraph 0826; 0834, (2020/02/14)

Provided are methods for expanding stem cells and/or lineage committed progenitor cells, such as hematopoietic stems cells and/or lineage committed progenitor cells, at least in part, by using compounds that antagonize AhR. The compounds are represented by formulae (I) (II) (III) (IV), wherein the letters and symbols a, b, c, d, e, f, g, Z, R1b, R2a and R2b have the meanings provided in the specification. Also provided are compositions comprising stem cells and/or lineage committed progenitor cells expanded by methods disclosed herein and methods for the treatment of diseases treatable by same.

Laboratory-Scale Membrane Reactor for the Generation of Anhydrous Diazomethane

Dallinger, Doris,Pinho, Vagner D.,Gutmann, Bernhard,Kappe, C. Oliver

, p. 5814 - 5823 (2016/07/26)

A configurationally simple and robust semibatch apparatus for the in situ on-demand generation of anhydrous solutions of diazomethane (CH2N2) avoiding distillation methods is presented. Diazomethane is produced by base-mediated decomposition of commercially available Diazald within a semipermeable Teflon AF-2400 tubing and subsequently selectively separated from the tubing into a solvent- and substrate-filled flask (tube-in-flask reactor). Reactions with CH2N2 can therefore be performed directly in the flask without dangerous and labor-intensive purification operations or exposure of the operator to CH2N2. The reactor has been employed for the methylation of carboxylic acids, the synthesis of α-chloro ketones and pyrazoles, and palladium-catalyzed cyclopropanation reactions on laboratory scale. The implementation of in-line FTIR technology allowed monitoring of the CH2N2 generation and its consumption. In addition, larger scales (1.8 g diazomethane per hour) could be obtained via parallelization (numbering up) by simply wrapping several membrane tubings into the flask.

Regioselective synthesis of ethyl pyrazolecarboxylates from ethyl 3-[(dimethylamino)methylidene]pyruvate and diethyl 3-[(dimethylamino)methylidene]-2-oxosuccinate. Isolation of ethyl 4,5-dihydro-1-heteroaryl-5-hydroxy-1H-pyrazole-5-carboxylates as stable intermediates in the pyrazole ring formation

Hanzlowsky, Andrej,Jelencic, Blanka,Recnik, Simon,Svete, Jurij,Golobic, Amalija,Stanovnik, Branko

, p. 487 - 498 (2007/10/03)

Reactions of ethyl 3-[(E)-(dimethylamino)methylidene]pyruvate (3) and 3-[(dimethylamino)methylidene]-2-oxosuccinate (4) with hydrazine monohydrochloride (5a) and (hetero)arylhydrazines (5b-i) afforded, regioselectively, 1-substituted ethyl 1H-pyrazole-5-carboxylates 9a-f and diethyl 1H-pyrazole-3,4-dicarboxylates, 11a-i, respectively. Upon treatment of 3 with pyridazinylhydrazines 5d-f, the stable intermediates, 1-substituted ethyl 4,5-dihydro-5-hydroxy-1H-pyrazole-5-carboxylates 8d-f, were isolated. Treatment of compounds 8d-f in acetic acid under reflux furnished the pyrazoles 9d-f. On the other hand, reaction of 3 with N,N′-dimethylhydrazine (5I) gave ethyl 1-methyl-1H-pyrazole-3-carboxylate (14). The structures of compounds 3, 4, 14 were determined by nmr (noesy and hmbc techniques), while the structures of compounds 8f, 9f, and 11e,f were determined by X-ray diffraction.

Novel generation of azomethine imines from α-silylnitrosamines by 1,4- silatropic shift and their cycloaddition

Washizuka, Ken-Ichi,Nagai, Keiko,Minakata, Satoshi,Ryu, Ilhyong,Komatsu, Mitsuo

, p. 8849 - 8853 (2007/10/03)

Novel and facile generation of azomethine imines from α- silylnitrosamines and subsequent cycloaddition with dipolarophiles leading to a variety of pyrazole derivatives have been developed. The key to the reaction is a 1,4-silatropic shift caused by stron

Haloacetylated enol ethers. 11 [16]. Synthesis of 1-methyl- and 1- phenyl pyrazole-3(5)-ethyl esters. A one-pot procedure

Martins, Marcos A. P.,Freitag, Rogerio A.,Da Rosa, Adriano,Flores, Alex F. C.,Zanatta, Nilo,Bonacorso, Helio G.

, p. 217 - 220 (2007/10/03)

A one-pot synthesis of 1-methyl- and 1-phenylpyrazole-3(5)-ethyl esters 2,3a-e by the cyclocondensation of β-alkoxyvinyl trichloromethyl ketones 1a- e with methyl and phenyl hydrazine hydrochloride under mild conditions, is reported. A study using compounds la-e with different substituents proved that these are versatile building blocks for the synthesis of pyrazole derivatives, having a 3(5)-ethoxycarbonyl substituent in good yields (60- 89%). The hydrazine and β-alkoxyvinyl trichloromethyl ketone substituent effects on the reaction regiochemistry on the formation of the 1,3- and 1,5- isomer were observed.

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