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

CAS 99067-15-9C9H7BrN2OChemical Synthesis

4-Bromo-2-(1H-pyrazol-3-yl)phenol (CAS: 99067-15-9) is a halogenated heterocyclic compound with the molecular formula C9H7BrN2O and a molecular weight of 239.07 g/mol. This chemical building block serves as a valuable intermediate in organic synthesis, particularly within the fields of medicinal chemistry and materials science. It is supplied with an assay of 98% for research and development purposes.

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4-Bromo-2-(1H-pyrazol-3-yl)phenol (C9H7BrN2O) — chemical structure, CAS 99067-15-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC3-C9Chemical SynthesisHalogenated HeterocyclesHeterocyclic Building BlocksPyrazoles More...

01 /Applications

Organic Synthesis Intermediate

Utilised as a key building block in the construction of more complex organic molecules. Its functional groups allow for diverse chemical transformations, making it suitable for multi-step synthetic routes.

Medicinal Chemistry Research

Serves as a precursor or intermediate in the synthesis of potential pharmaceutical agents. The pyrazole and phenol moieties are common structural motifs in bioactive compounds.

Materials Science Applications

Can be incorporated into novel materials due to its heterocyclic and aromatic nature, potentially influencing optical or electronic properties in polymers or organic semiconductors.

02 /Properties

Molecular weight	239.07
Empirical formula	C9H7BrN2O
Assay	98%
Melting point	159-163 °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

99067-15-9

MDL number

MFCD03094026

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-Bromo-2-(1H-pyrazol-3-yl)phenol primarily used for?

This compound is primarily used as a building block and intermediate in organic synthesis, with applications in medicinal chemistry and materials science research.

What are the CAS number and formula for 4-Bromo-2-(1H-pyrazol-3-yl)phenol?

The CAS number is 99067-15-9 and the molecular formula is C9H7BrN2O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this compound with a purity of 98% (assay). TSS does not represent this product as USP, BP, EP or other pharmacopoeial grades.

What are the primary safety concerns when handling this chemical?

This chemical is classified with a Warning signal word and has hazard statements H315, H319, and H335, indicating it may cause skin irritation, serious eye irritation, and respiratory irritation. Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used.