89943-27-1 Usage
Methyl ester derivative
1-ethyl-1H-pyrazole-3-carboxylic acid The compound is derived from 1-ethyl-1H-pyrazole-3-carboxylic acid by attaching a methyl ester group.
Common use
Synthesis of pharmaceuticals and agrochemicals The compound is frequently used as a building block in the production of various pharmaceutical and agrochemical products.
Versatile building block
Organic synthesis 1H-Pyrazole-3-carboxylic acid, 1-ethyl-, methyl ester (9CI) is a valuable intermediate in organic synthesis due to its ability to form a wide range of compounds.
Potential application
Antifungal agent The compound has shown potential as an antifungal agent, which could be useful in the development of new antifungal medications.
Production of heterocyclic compounds
Medicinal interest The compound can be used to produce heterocyclic compounds, which are of interest in the field of medicinal chemistry due to their diverse biological activities.
Handling precautions
Health and environmental hazards It is important to handle 1H-Pyrazole-3-carboxylic acid, 1-ethyl-, methyl ester (9CI) with care, as it may pose risks to human health and the environment if not properly managed.
Check Digit Verification of cas no
The CAS Registry Mumber 89943-27-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,4 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89943-27:
(7*8)+(6*9)+(5*9)+(4*4)+(3*3)+(2*2)+(1*7)=191
191 % 10 = 1
So 89943-27-1 is a valid CAS Registry Number.
89943-27-1Relevant articles and documents
N-Alkylation of Substituted Pyrazoles and Pyrazolopyrimidines with Dimethylformamide Diethyl Acetal or Triethyl Orthoformate
Bulychev, Yu. N.,Preobrazhenskaya, M. N.,Chernyshev, A. I.,Esipov, S. E.
, p. 751 - 755 (2007/10/02)
The N-alkylation of some substituted pyrazoles and pyrazolopyrimidines with dimethylformamide diethyl acetal or triethyl orthoformate has been examined.Dimethylformamide diethyl acetal is more effective as an alkylating agent than triethyl orthoformate.Alkylation of 3-methoxycarbonylpyrazole gives a mixture of N-1- and N-2-ethyl derivatives.Alkylation of pyrazolopyrimidines takes place at the 1-position of the pyrazole ring only.In the case of thio-derivatives of pyrazolopyrimidines, S-alkylation occurs in addition to N-alkylation.
