4-Fluoro-2-(1H-pyrazol-3-yl)phenol

CAS 288401-64-9C9H7FN2OChemical Synthesis

4-Fluoro-2-(1H-pyrazol-3-yl)phenol (CAS: 288401-64-9), with the molecular formula C9H7FN2O and a molecular weight of 178.16 g/mol, is a fluorinated heterocyclic building block. This compound serves as a valuable intermediate in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its unique structure allows for diverse chemical modifications, making it a useful component in the development of novel active ingredients and complex molecular architectures. Supplied by TSS with a purity of 97%.

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4-Fluoro-2-(1H-pyrazol-3-yl)phenol (C9H7FN2O) — chemical structure, CAS 288401-64-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisFluorinated Building BlocksHeterocyclic Building BlocksPyrazoles More...

01 /Applications

Pharmaceutical Intermediate

Used in the synthesis of active pharmaceutical ingredients (APIs) due to its fluorinated pyrazole moiety, which can modulate biological activity and pharmacokinetic properties.

Agrochemical Development

Incorporated into the design of new pesticides and herbicides, leveraging the heterocycle and fluorine atom to enhance efficacy and target specificity.

Organic Synthesis Building Block

Serves as a versatile starting material for constructing more complex organic molecules through various coupling and functionalization reactions.

Materials Science Research

Explored for potential applications in the development of novel functional materials, where its structural features may impart desirable electronic or optical properties.

02 /Properties

Molecular weight	178.16
Empirical formula	C9H7FN2O
Assay	97%
Melting point	130.5-134.5 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

288401-64-9

MDL number

MFCD00104658

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 4-Fluoro-2-(1H-pyrazol-3-yl)phenol used for?

4-Fluoro-2-(1H-pyrazol-3-yl)phenol is primarily used as a building block in organic synthesis, particularly for the development of pharmaceuticals and agrochemicals. It is also explored in materials science research.

What are the CAS number and formula for this compound?

The CAS number is 288401-64-9, and the empirical formula is C9H7FN2O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-Fluoro-2-(1H-pyrazol-3-yl)phenol at a purity of 97%. We do not represent this product as USP, BP, or EP grade.

How should I handle 4-Fluoro-2-(1H-pyrazol-3-yl)phenol safely?

This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent). Ensure adequate ventilation.