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Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is a chemical compound characterized by the molecular formula C9H11NO3. It is a derivative of pyrazole and carboxylic acid, known for its unique structure and properties that make it a valuable component in various research and industrial applications.

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  • 37622-89-2 Structure
  • Basic information

    1. Product Name: ethyl 5-acetyl-1H-pyrazole-3-carboxylate
    2. Synonyms: ethyl 5-acetyl-1H-pyrazole-3-carboxylate;ethyl 5-acetyl 1H-pyrazol-3-carboxylate;5-Acetyl-2H-Pyrazole-3-Carboxylic Acid Ethyl Ester;5-Acetyl-2H-Pyrazole-3-Carboxylic Acid Ethyl Ester(WX626065)
    3. CAS NO:37622-89-2
    4. Molecular Formula: C8H10N2O3
    5. Molecular Weight: 182.1766
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 37622-89-2.mol
  • Chemical Properties

    1. Melting Point: 112-112.5 °C(Solv: water (7732-18-5))
    2. Boiling Point: 382.6±27.0 °C(Predicted)
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 1.240±0.06 g/cm3(Predicted)
    6. Refractive Index: N/A
    7. Storage Temp.: -20°C Freezer, Under inert atmosphere
    8. Solubility: DMSO (Slightly), Methanol (Slightly)
    9. PKA: 8.00±0.10(Predicted)
    10. CAS DataBase Reference: ethyl 5-acetyl-1H-pyrazole-3-carboxylate(CAS DataBase Reference)
    11. NIST Chemistry Reference: ethyl 5-acetyl-1H-pyrazole-3-carboxylate(37622-89-2)
    12. EPA Substance Registry System: ethyl 5-acetyl-1H-pyrazole-3-carboxylate(37622-89-2)
  • 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: 37622-89-2(Hazardous Substances Data)

37622-89-2 Usage

Uses

Used in Organic Synthesis:
Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is utilized as a building block for the synthesis of other organic compounds, contributing to the creation of a diverse range of chemical entities.
Used in Pharmaceutical Research:
In the pharmaceutical industry, ethyl 5-acetyl-1H-pyrazole-3-carboxylate serves as a precursor for the production of pharmaceutical drugs, playing a crucial role in the development of new medications.
Used as a Reagent in Chemical Reactions:
Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is employed as a reagent in various chemical reactions, facilitating specific transformations and processes that are essential in the advancement of chemical research and product development.

Check Digit Verification of cas no

The CAS Registry Mumber 37622-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,6,2 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 37622-89:
(7*3)+(6*7)+(5*6)+(4*2)+(3*2)+(2*8)+(1*9)=132
132 % 10 = 2
So 37622-89-2 is a valid CAS Registry Number.

37622-89-2SDS

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 ethyl 5-acetyl-1H-pyrazole-3-carboxylate

1.2 Other means of identification

Product number -
Other names 3-ethoxycarbonyl-5-acetylpyrazole

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:37622-89-2 SDS

37622-89-2Relevant articles and documents

1,3-dipolar cycloaddition of ethyl diazoacetate to alkynes in the pores of zeolite NaY

Kobayashi, Keijiro,Igura, Yuta,Imachi, Shouhei,Masui, Yoichi,Onaka, Makoto

, p. 60 - 61 (2007)

Zeolite NaY promotes 1,3-dipolar cycloaddition of ethyl diazoacetate to alkynes having an electron-withdrawing group to afford the corresponding functionalized pyrazoles in high yields. The activation of the dipolarophile inside the pores of NaY is proposed based on the 13CMASNMR analysis. Copyright

SUBSTITUTED PYRAZOLE COMPOUNDS, COMPOSITIONS CONTAINING SAME, AND USE THEREOF

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Paragraph 0244-0245, (2022/01/12)

The present invention provides substituted pyrazole compounds, compositions containing same, and use thereof. The substituted pyrazole compounds comprise a compound represented by formula (I) or a tautomer, stereoisomer, prodrug, crystalline form, pharmaceutically acceptable salt, hydrate, or solvate thereof. The compound represented by formula (I) can serve as a tissue selective androgen receptor modulator (SARM), particularly serving as a drug for treating prostate cancer and other AR-dependent conditions and diseases in which AR antagonism is desired.

Metal-free C-C, C-O, C-S and C-N bond formation enabled by SBA-15 supported TFMSA

Yi, Xiangyan,Feng, Jiajun,Huang, Fei,Baell, Jonathan Bayldon

supporting information, p. 1243 - 1246 (2020/02/04)

The construction of intermolecular C-C, C-O, C-S and C-N bonds between diazo compounds and acyclic and cyclic 1,3-dicarbonyl compounds, thiophenol and alkynes was developed by using TFMSA@SBA-15, thus providing a metal-free and eco-friendly platform for f

Compound and process for synthesizing 5-acetyl-1H-pyrazole-3-carboxylic acid by using compound

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Paragraph 0016; 0046-0047, (2020/06/02)

The invention belongs to the field of chemical synthesis of substances and discloses a compound, application and a process for synthesizing 5-acetyl-1H-pyrazole-3-carboxylic acid by using the compound. A compound 2, 3-butanedione is used as a starting material to synthesize a compound intermediate III, the compound intermediate III is separated out from the system, the product conversion is promoted, the purification purpose can be achieved through filtration, the conversion rate reaches 95%, and the yield is increased; synthesis of an intermediate IV: by taking the intermediate III and a hydrazine compound as raw materials, the pH of the system is regulated, the yield is increased, and impurity production is reduced; after the reaction is ended, concentrating and filtering are carried out, so that the yield reaches 98%, and the HPLC purity is greater than 98.5%; and through the operation, high-purity V is obtained. The process of the invention is simple and safe, high in yield, suitable for industrialization, beneficial to impurity control and capable of reducing quality risks.

Synthetic method for one-step C-N construction C-S of C-C(I), (C) and (C)-(C) bonds (by machine translation)

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Paragraph 0036-0038; 0054-0065, (2019/11/28)

An acid load type catalyst is used under the heating C - C condition C - N, C - S and under the heating condition, the α - protonation of the heavy nitrogen ester is carried out, and the construction of the keys is realized in one step, and the method α -

Synthesis of 1,3-dioxo-substituted allenes via copper(I)-catalyzed coupling of α-oxo-alkynes and α-oxo-diazos by controlling the sequence of adding substrates

Liu, Chulong,Weng, Yunxiang,Zeng, Xiaobao,Zheng, Weiping,Wang, Xinyan,Hu, Yuefei

, p. 493 - 496 (2019/01/15)

A novel direct synthesis of 1,3-dioxo-substituted allenes was developed by copper(I)-catalyzed coupling of α-oxo-alkynes and α-oxo-diazos. It was a sequence of adding substrates-controlled method and the desired products were synthesized chemoselectively by adding α-oxo-alkyne terminally.

Synthesis of functionalized pyrazole derivatives by regioselective [3+2] cycloadditions of N-Boc-α-amino acid-derived ynones

Kirar, Eva Pu?avec,Gro?elj, Uro?,Golobi?, Amalija,Poagan, Franc,Ri?ko, Sebastijan,?tefane, Bogdan,Svete, Jurij

, p. 467 - 480 (2018/06/18)

[3+2] cycloadditions of ynones derived from glycine and (S)-alanine and some other dipolarophiles with azomethine imines, nitrile oxides, diazoacetate, and azidoacetate were studied. The dipolarophiles were obtained from α-amino acids, either by the reduc

PYRAZOLYL SUBSTITUTED TETRAHYDROPYRANYLSULFONES

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Paragraph 0294; 0295, (2017/05/14)

The invention relates to pyrazolyl substituted tetrahydropyranylsulfones as voltage gated calcium channel blockers, to pharmaceutical compositions containing these compounds and also to these compounds for use in the treatment and/or prophylaxis of pain and further diseases and/or disorders.

NOVEL COMPOUNDS AND PHARMACEUTICAL COMPOSITIONS THEREOF FOR THE TREATMENT OF CYSTIC FIBROSIS

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Paragraph 0707, (2015/02/25)

The present invention discloses compounds according to Formula I: wherein R1 is as defined herein. The present invention relates to compounds and their use in the treatment of cystic fibrosis, methods for their production, pharmaceutical compositions comprising the same, and methods of treatment cystic fibrosis by administering a compound of the invention.

THIENO[2,3-C]PYRANS AS CFTR MODULATORS

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Paragraph 00211, (2015/02/25)

The present invention discloses compounds according to Formula I: Wherein R is as defined herein. The present invention relates to compounds and their use in the treatment of cystic fibrosis, methods for their production, pharmaceutical compositions comprising the same, and methods of treatment cystic fibrosis by administering a compound of the invention.

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