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

CAS 351003-12-8C9H7N3O3Chemical Synthesis

4-Nitro-2-(1H-pyrazol-3-yl)phenol (CAS 351003-12-8) is a chemical compound with the molecular formula C9H7N3O3 and a molecular weight of 205.17 g/mol. It serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its structure, featuring both nitro and phenol functionalities alongside a pyrazole ring, makes it a useful intermediate for constructing more complex molecules.

Email us

4-Nitro-2-(1H-pyrazol-3-yl)phenol (C9H7N3O3) — chemical structure, CAS 351003-12-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksPyrazoles

01 /Applications

Organic Synthesis Intermediate

This compound is primarily used as an intermediate in the synthesis of novel organic molecules. Its functional groups allow for diverse chemical transformations.

Heterocyclic Chemistry Building Block

The presence of the pyrazole ring makes it a key component in the construction of various heterocyclic systems, which are prevalent in pharmaceuticals and agrochemicals.

Research and Development

Utilised in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities.

02 /Properties

Molecular weight	205.17
Empirical formula	C9H7N3O3
Assay	97%
Melting point	211-214 °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

351003-12-8

MDL number

MFCD03094028

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

4-Nitro-2-(1H-pyrazol-3-yl)phenol is used as a building block and intermediate in organic synthesis, particularly in heterocyclic chemistry research and development.

What is the CAS number and molecular formula for 4-Nitro-2-(1H-pyrazol-3-yl)phenol?

The CAS number is 351003-12-8, and the molecular formula is C9H7N3O3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-Nitro-2-(1H-pyrazol-3-yl)phenol with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.

How should 4-Nitro-2-(1H-pyrazol-3-yl)phenol be handled safely?

Handle with appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. Refer to the GHS symbols and hazard statements for specific precautions.