4-Chlorobenzhydrol
4-Chlorobenzhydrol (CAS: 119-56-2), with the molecular formula ClC6H4CH(C6H5)OH and a molecular weight of 218.68 g/mol, is a crucial organic building block. This secondary alcohol is utilised in various chemical synthesis pathways. Its application extends to its use as an internal standard in analytical chemistry and as a reference compound in identifying specific pharmaceutical cross-reactants, contributing to accurate research and development.

Analytical Standard
4-Chlorobenzhydrol served as an internal standard for the gas chromatography-mass spectrometry measurement of N-demethyl antipyrine metabolites in urine samples, facilitating precise quantitative analysis in research studies.
Pharmaceutical Research
This compound was employed in research to identify cetirizine as a cross-reactant in carbamazepine-specific enzyme-linked immunosorbent assays, aiding in the refinement of diagnostic test specificity.
Organic Synthesis
As a functionalised organic molecule, 4-Chlorobenzhydrol can participate in diverse chemical reactions, serving as a versatile intermediate in the synthesis of more complex organic compounds.
| Molecular weight | 218.68 |
|---|---|
| Linear formula | ClC6H4CH(C6H5)OH |
| Assay | 98% |
| Application | 4-Chlorobenzhydrol was used as internal standard to measure the N-demethyl antipyrine metabolite in urine by gas chromatography-mass spectrometry1. It was also used in the identification of the antihistamine cetirizine as a relevant cross-reactant for the carbamazepine-specific enzyme-linked immunosorbent assay 2. |
| Melting point | 58-60 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 4-Chlorobenzhydrol used for?
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4-Chlorobenzhydrol is used as an internal standard in analytical measurements, such as gas chromatography-mass spectrometry, and in pharmaceutical research for identifying cross-reactants in immunoassays. It also serves as a building block in organic synthesis.
What are the CAS number and molecular formula for 4-Chlorobenzhydrol?
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The CAS number for 4-Chlorobenzhydrol is 119-56-2, and its molecular formula is ClC6H4CH(C6H5)OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorobenzhydrol with an assay of 98%. This product is supplied for research and development purposes and is not represented as USP, BP, EP or other pharmacopoeia grade.
What are the safety considerations for handling 4-Chlorobenzhydrol?
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When handling 4-Chlorobenzhydrol, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is possible. The compound is classified under WGK Germany 3, indicating a hazard to water.
Is 4-Chlorobenzhydrol exported or shipped by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Chlorobenzhydrol.
How can I request a sample or quote for 4-Chlorobenzhydrol?
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To request a sample or a quote for 4-Chlorobenzhydrol, please contact the Tech Serve Solutions sales department through the website or by phone.
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