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123532-22-9

2-(1-methyl-1H-pyrazol-5-yl)phenol is a chemical compound characterized by the molecular formula C11H10N2O. It is a phenolic compound distinguished by the presence of a pyrazole ring attached to a phenol group. This unique structure endows it with specific properties that may be of interest in various applications, particularly in the fields of pharmaceuticals and organic synthesis. Due to its potential reactivity and the need for careful handling, it is a compound that warrants further research and development to explore its full potential.

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  • 123532-22-9 Structure

  • Basic information

    1. Product Name: 2-(1-methyl-1H-pyrazol-5-yl)phenol
    2. Synonyms: 2-(1-methyl-1H-pyrazol-5-yl)phenol;1-methyl-5-(2'-hydroxyphenyl)pyrazole
    3. CAS NO:123532-22-9
    4. Molecular Formula: C10H10N2O
    5. Molecular Weight: 174.1992
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 123532-22-9.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: 2-(1-methyl-1H-pyrazol-5-yl)phenol(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2-(1-methyl-1H-pyrazol-5-yl)phenol(123532-22-9)
    11. EPA Substance Registry System: 2-(1-methyl-1H-pyrazol-5-yl)phenol(123532-22-9)

  • 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: 123532-22-9(Hazardous Substances Data)

123532-22-9 Usage

Uses

Used in Pharmaceutical Industry:
2-(1-methyl-1H-pyrazol-5-yl)phenol is used as a potential active pharmaceutical ingredient for the development of new drugs. Its unique structure may contribute to novel therapeutic effects, making it a candidate for further investigation in drug discovery processes.
Used in Organic Synthesis:
In the realm of organic synthesis, 2-(1-methyl-1H-pyrazol-5-yl)phenol serves as a valuable intermediate or building block for the synthesis of more complex organic molecules. Its pyrazole and phenol functionalities can be exploited in various chemical reactions to create a range of compounds with diverse applications.
Used in Research and Development:
2-(1-methyl-1H-pyrazol-5-yl)phenol is utilized in research settings to explore its chemical properties and potential applications. Its unique structure provides a platform for studying the effects of pyrazole and phenol groups in different chemical environments, which can lead to new insights and innovations in chemistry and related fields.

Check Digit Verification of cas no

The CAS Registry Mumber 123532-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,3 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 123532-22:
(8*1)+(7*2)+(6*3)+(5*5)+(4*3)+(3*2)+(2*2)+(1*2)=89
89 % 10 = 9
So 123532-22-9 is a valid CAS Registry Number.

123532-22-9Relevant articles and documents

New ultraviolet stabilizers: 3- and 5-(2′-hydroxyphenyl)pyrazoles

Catalán, Javier,Fabero, Fernando,Claramunt, Rosa M.,Dolores Santa Maria,De la Concepción Foces-Foces,Cano, Felix Hernández,Martínez-Ripoll, Martín,Elguero, José,Sastre, Roberto

, p. 5039 - 5048 (2007/10/02)

A new class of ultraviolet stabilizers, the C-(2?-hydroxyphenyl)pyrazoles, is described. The combined use of X-ray crystallography [3(5)-(2′-hydroxyphenyl)pyrazole (5), l-methyl-3-(2′-hydroxyphenyl)pyrazole (7), and 1-methyl-5-(2?-hydroxyphenyl)pyrazole (8)], NMR (1 and 13C), and UV spectroscopies allows the determination of the major tautomers, the coplanarity of both rings if present, and the existence of hydrogen bonds. Compounds 5 and 7, in which there is an intramolecular hydrogen bond (IMHB), do not fluoresce in cyclohexane. Solvent and temperature experiments prove that for these compounds in cyclohexane proton transfer took place in the excited singlet state but not in the triplet state (phosphorescence) and that the latter one is of higher energy than the former. The fact that the absorptions of planar 1-methyl-3-(2′-methoxyphenyl)pyrazole (9) and nonplanar 1-methyl-5-(2′-methoxyphenyl)pyrazole (10) are quite different whereas their emissions are very similar suggests that 10 might behave as a laser dye in the UV region (from an excited planar form to a ground state nonplanar form). Finally, the photostability of (2'-hydroxyphenyl)- and (2′-methoxyphenyl)pyrazoles was determined, compound 7 being even more stable than Tinuvin P.

INVESTIGATIONS IN THE CHROMONE SERIES. PART XVI. REACTIONS OF CHROMONE DERIVATIVES AND 4-THIOCHROMONE WITH METHYLHYDRAZINE

Nawrot-Modranka, Jolanta,Kostka, Krzysztof

, p. 103 - 111 (2007/10/02)

The transformations of 2-methyl-, 2-ethyl- and 2-phenylchromone and 4-thiochromone, 2-methyl- and 8-methyl-4-thiochromone with methylhydrazine were studied.Two series of pyrazoles, A and B, were obtained.The transformations of methyl- and phenylhydrazine with enamino ketones (chromone transformation products) confirmed the course of transformations of chromone derivatives with methylhydrazine.

STUDIES OF CHROMONE DERIVATIVES. PART XV. REACTIONS OF CHROMONE AND ITS DERIVATIVES WITH METHYLHYDRAZINE

Nawrot-Modranka, Jolanta,Kostka, Krzysztof

, p. 417 - 426 (2007/10/02)

The transformations of chromone, 6-methyl-, 6-nitro-, and 8-methylchromone with methylhydrazine have been studied.Two series of pyrazoles (A and B) were obtained and transformation intermediates have been isolated.The structure of these compounds has been established and the reaction course of chromone and its derivatives with methylhydrazine is proposed.

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