4-Guanidinobenzoic acid hydrochloride
4-Guanidinobenzoic acid hydrochloride (CAS: 42823-46-1) is a nitrogen-containing organic building block with the linear formula H2NC(=NH)NHC6H4CO2H · HCl and a molecular weight of 215.64 g/mol. Supplied with an assay of 99%, this compound serves as a valuable intermediate in chemical synthesis, particularly within the realm of guanidine derivatives and related organic structures for research and development purposes.
- IUPAC
- 4-Guanidobenzoic acid hydrochloride

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of more complex organic molecules. Its guanidine moiety and carboxylic acid group offer versatile reaction sites for creating novel compounds.
Research and Development
An essential reagent for academic and industrial research labs exploring new chemical entities and reaction pathways. Its structure is relevant for investigating guanidine-based chemistry.
Fine Chemical Synthesis
Employed in the preparation of fine chemicals, where specific structural features are required for targeted applications. Its role as a precursor supports the development of specialised chemical products.
| Molecular weight | 215.64 |
|---|---|
| Linear formula | H2NC(=NH)NHC6H4CO2H · HCl |
| Assay | 99% |
| Storage temperature | 2-8°C |
| Melting point | 285 °C (dec.)(lit.) |
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-Guanidinobenzoic acid hydrochloride used for?
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4-Guanidinobenzoic acid hydrochloride is primarily used as an intermediate in organic synthesis and for research and development purposes, particularly in the study of guanidine derivatives and related nitrogen compounds.
What is the CAS number and molecular formula for 4-Guanidinobenzoic acid hydrochloride?
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The CAS number is 42823-46-1, and the linear molecular formula is H2NC(=NH)NHC6H4CO2H · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Guanidinobenzoic acid hydrochloride with a purity of 99% assay. This product is not classified as USP, BP, or EP grade.
How should 4-Guanidinobenzoic acid hydrochloride be handled and stored?
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4-Guanidinobenzoic acid hydrochloride is classified under WGK Germany 3, indicating it is hazardous to water. It should be stored at 2-8°C. Consult the Safety Data Sheet for detailed handling precautions.
Does TSS export 4-Guanidinobenzoic acid hydrochloride?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Guanidinobenzoic acid hydrochloride.
How can I request a quote or sample?
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To request a quote or sample of 4-Guanidinobenzoic acid hydrochloride, please contact our sales team through the website or by phone.
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