5-(4-Methoxyphenyl)isoxazole-3-carboxaldehyde

CAS 870703-95-0C11H9NO3Chemical Synthesis

5-(4-Methoxyphenyl)isoxazole-3-carboxaldehyde (CAS: 870703-95-0) is a specialized organic compound with the molecular formula C11H9NO3 and a molecular weight of 203.19 g/mol. This aldehyde, belonging to the isoxazole class, serves as a valuable building block in organic synthesis. Its functional groups make it suitable for constructing more complex molecular architectures in research and development settings, particularly within the pharmaceutical and fine chemical industries.

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5-(4-Methoxyphenyl)isoxazole-3-carboxaldehyde (C11H9NO3) — chemical structure, CAS 870703-95-0; Chemistry, fine chemical supplied by Tech Serve Solutions

AldehydesBuilding BlocksC10-C12Carbonyl CompoundsChemical SynthesisHeterocyclic Building BlocksIsoxazoles

01 /Applications

Organic Synthesis Intermediate

This compound functions as a key intermediate in the synthesis of various organic molecules. Its aldehyde functionality and isoxazole core allow for diverse chemical transformations.

Pharmaceutical Research

Utilised as a building block in the development of potential pharmaceutical agents. The isoxazole motif is present in numerous biologically active compounds.

Fine Chemical Manufacturing

Employed in the creation of fine chemicals, where its specific structure can impart desired properties to the final product.

Material Science Research

May be used in the exploration of novel materials due to its heterocyclic structure and reactive aldehyde group.

02 /Properties

Molecular weight	203.19
Empirical formula	C11H9NO3
Assay	97%
Melting point	153-157 °C(lit.)

03 /Safety & handling

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

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22

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

04 /Identifiers & registry

CAS number

870703-95-0

MDL number

MFCD06798096

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 5-(4-Methoxyphenyl)isoxazole-3-carboxaldehyde used for?

It is primarily used as a building block and intermediate in organic synthesis, particularly for research in pharmaceuticals and fine chemicals.

What are the CAS number and molecular formula?

The CAS number is 870703-95-0, and the molecular formula is C11H9NO3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this product with an assay of 97%. We do not represent it as USP, BP, EP, or any pharmacopoeia grade.

What are the safety and handling precautions?

This compound is classified as harmful if swallowed (H302). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be worn. Handle in a well-ventilated area.

Is this chemical controlled or scheduled?

Based on the provided data, there is no indication that this chemical is controlled or scheduled.

How are your chemicals packed and shipped?

Tech Serve Solutions specialises in the global supply and export of fine chemicals. Products are packed and shipped according to international regulations for hazardous materials.