3-Chloro-4-hydroxyphenylacetic acid

CAS 33697-81-3ClC6H3(OH)CH2CO2HChemical Synthesis

3-Chloro-4-hydroxyphenylacetic acid (CAS 33697-81-3), with the chemical formula ClC6H3(OH)CH2CO2H and a molecular weight of 186.59 g/mol, is a key organic building block. This compound serves as a valuable intermediate in the synthesis of more complex molecules, particularly within the pharmaceutical and chemical research sectors. Its structure, featuring a chlorinated phenol ring and a carboxylic acid group, allows for diverse chemical transformations.

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3-Chloro-4-hydroxyphenylacetic acid (ClC6H3(OH)CH2CO2H) — chemical structure, CAS 33697-81-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksCarbonyl CompoundsCarboxylic AcidsChemical Synthesis

01 /Applications

Organic Synthesis Intermediate

Utilised as a precursor in multi-step organic syntheses to construct novel chemical entities. Its functional groups enable a range of reactions crucial for creating complex molecular architectures.

Pharmaceutical Research

A building block employed in the development of new pharmaceutical compounds. It may be incorporated into synthetic routes targeting potential drug candidates.

Chemical Research and Development

Serves as a reagent in academic and industrial R&D laboratories for exploring new chemical reactions and materials. Its well-defined structure aids in predictable synthetic outcomes.

02 /Properties

Molecular weight	186.59
Linear formula	ClC6H3(OH)CH2CO2H
Assay	99%
Melting point	108-110 °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)	2
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-37/39

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

04 /Identifiers & registry

CAS number

33697-81-3

MDL number

MFCD00004349

PubChem substance

24853445

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 3-Chloro-4-hydroxyphenylacetic acid used for?

3-Chloro-4-hydroxyphenylacetic acid is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and chemical development.

What are the CAS number and chemical formula for 3-Chloro-4-hydroxyphenylacetic acid?

The CAS number is 33697-81-3, and the chemical formula is ClC6H3(OH)CH2CO2H.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3-Chloro-4-hydroxyphenylacetic acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.

What are the safety precautions for handling 3-Chloro-4-hydroxyphenylacetic acid?

This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Handle in a well-ventilated area.

How is 3-Chloro-4-hydroxyphenylacetic acid packed, shipped, and exported?

We offer various packing options suitable for research and industrial quantities, adhering to international shipping regulations. TSS is a global supplier and exporter of fine chemicals.