4-(4-Aminophenyl)butyric acid
4-(4-Aminophenyl)butyric acid (CAS: 15118-60-2), with the linear formula H2NC6H4(CH2)3CO2H and a molecular weight of 179.22 g/mol, is a valuable organic compound. It serves as a key building block in chemical synthesis and is particularly relevant in peptide chemistry and the development of unnatural amino acid derivatives. Its structure combines an aromatic amine with a carboxylic acid moiety separated by a propyl chain, offering versatile reactivity for further chemical transformations.

Chemical Synthesis
This compound functions as an intermediate in the synthesis of more complex organic molecules. The presence of both amine and carboxylic acid groups allows for diverse chemical modifications and coupling reactions.
Peptide Chemistry
It is utilised in peptide synthesis, often incorporated as a modified amino acid. This enables the creation of peptides with altered properties or functionalities not achievable with natural amino acids.
Unnatural Amino Acid Derivatives
The molecule serves as a precursor for generating unnatural amino acid derivatives. These modified amino acids can be integrated into peptides or proteins to study structure-activity relationships or to engineer novel biomaterials.
Chemical Biology Research
Researchers in chemical biology may employ 4-(4-Aminophenyl)butyric acid for developing probes or studying biological pathways. Its specific structure can be leveraged to investigate molecular interactions or enzyme activities.
| Molecular weight | 179.22 |
|---|---|
| Linear formula | H2NC6H4(CH2)3CO2H |
| Assay | 95% |
| Melting point | 121-124 °C(lit.)121-133 °C |

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) | 26-37/39 |
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-(4-Aminophenyl)butyric acid used for?
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4-(4-Aminophenyl)butyric acid is used in chemical synthesis, peptide chemistry, and for creating unnatural amino acid derivatives. It also finds applications in chemical biology research.
What are the CAS number and chemical formula for 4-(4-Aminophenyl)butyric acid?
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The CAS number for 4-(4-Aminophenyl)butyric acid is 15118-60-2, and its linear chemical formula is H2NC6H4(CH2)3CO2H.
What grade and purity does Tech Serve Solutions supply for 4-(4-Aminophenyl)butyric acid?
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Tech Serve Solutions supplies 4-(4-Aminophenyl)butyric acid with an assay of 95%. This product is supplied for research and development use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety considerations when handling 4-(4-Aminophenyl)butyric acid?
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4-(4-Aminophenyl)butyric acid is classified as a Warning substance. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used. Ensure adequate ventilation.
How is 4-(4-Aminophenyl)butyric acid packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals with adherence to international regulations for safe transport. Specific packaging details are available upon request for bulk or custom orders.
How can I request a sample or quote for 4-(4-Aminophenyl)butyric acid?
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To request a sample or a quote for 4-(4-Aminophenyl)butyric acid, please visit the product page on the Tech Serve Solutions website or contact our sales team directly.
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