4-Guanidinobutyric acid
4-Guanidinobutyric acid (CAS 463-00-3) is a modified amino acid with the linear formula NH=C(NH2)NHCH2CH2CH2COOH and a molecular weight of 145.16 g/mol. Also known as γ-Guanidinobutyric acid, it is supplied by Tech Serve Solutions with an assay of ≥98%. This compound serves as a valuable reagent in biochemical research, particularly in the study of intestinal transport mechanisms and the biodegradability of biocides.
- IUPAC
- γ-Guanidinobutyric acid
- Synonyms
- γ-Guanidinobutyric acid4-GBA

Intestinal Transport Studies
4-Guanidinobutyric acid is employed to investigate transport processes mediated by human proton-coupled amino acid transporters (hPAT1), providing insights into nutrient absorption and cellular uptake mechanisms.
Biocide Biodegradability Research
Used in conjunction with other model compounds, 4-Guanidinobutyric acid helps researchers assess the biodegradability of polyhexamethylene biguanide (PHMB), a common biocide, contributing to environmental impact assessments.
Biochemical Research
As a derivative of arginine, this compound is utilized in various biochemical studies, including those related to modified amino acids and peptide chemistry.
| Molecular weight | 145.16 |
|---|---|
| Linear formula | NH=C(NH2)NHCH2CH2CH2COOH |
| Assay | ≥98% |
| Storage temperature | 2-8°C |
| Application | Gamma-Guanidinobutyric acid (4-GBA) is used to study intestinal transport by the human proton-coupled amino acid transporter(s) (hPAT1). 4-GBA is used with other model compounds such as 1,6-diaminohexane, 1,6-diguanidinohexane, and 1,6-di(cyanoguanidino)hexane to study the biodegradability of the biocide polyhexamethylene biguanide (PHMB). |
| Melting point | 280-282 °C |
| 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-Guanidinobutyric acid used for?
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4-Guanidinobutyric acid is used to study intestinal transport by human proton-coupled amino acid transporters (hPAT1) and to investigate the biodegradability of biocides like polyhexamethylene biguanide (PHMB).
What are the CAS number and formula for 4-Guanidinobutyric acid?
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The CAS number for 4-Guanidinobutyric acid is 463-00-3, and its linear formula is NH=C(NH2)NHCH2CH2CH2COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Guanidinobutyric acid with an assay of ≥98%. This product is intended for research and laboratory use, and TSS does not represent it as USP, BP, or EP grade unless explicitly stated.
What are the safety considerations for handling 4-Guanidinobutyric acid?
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Handling 4-Guanidinobutyric acid requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified with WGK Germany 3.
How is 4-Guanidinobutyric acid packed and shipped?
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This product is typically stored at 2-8°C. Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging and adherence to shipping regulations for chemical products.
How can I request a quote or sample for 4-Guanidinobutyric acid?
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To request a quote or sample of 4-Guanidinobutyric acid, please contact our sales department through the website or by phone, providing your specific requirements and delivery details.
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