(R)-3-Aminopentanoic acid
(R)-3-Aminopentanoic acid (CAS: 131347-76-7; Formula: C5H9NO2; Molar Mass: 115.13 g/mol) is a chiral building block derived from valeric acid. It is valuable in chemical synthesis, particularly within peptide chemistry and for the creation of unnatural amino acid derivatives. This compound serves as a key intermediate in various research and development applications, contributing to advancements in chemical biology.
- IUPAC
- (R)-3-Amino-valeric acid

Chiral Building Block in Synthesis
Utilised as a versatile chiral synthon for constructing complex organic molecules and pharmaceutical intermediates. Its specific stereochemistry is crucial for targeted synthesis pathways.
Peptide and Amino Acid Research
Incorporated into the development of novel peptides and peptidomimetics. It serves as an unnatural amino acid derivative for modifying peptide structure and function.
Chemical Biology Applications
Employed in studies investigating biological pathways and molecular interactions. Its unique structure can be used to probe biological systems or develop molecular probes.
| Molecular weight | 115.13 |
|---|---|
| Empirical formula | C5H9NO2 |
| Assay | ≥97.5% (GC)98% |
| Optical purity | enantiomeric excess: ≥99.0% |
| 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 (R)-3-Aminopentanoic acid used for?
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(R)-3-Aminopentanoic acid is used as a chiral building block in chemical synthesis, for peptide chemistry, and in chemical biology research as an unnatural amino acid derivative.
What are the CAS number and formula for (R)-3-Aminopentanoic acid?
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The CAS number is 131347-76-7 and the empirical formula (Hill notation) is C5H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-3-Aminopentanoic acid with an assay of ≥97.5% (GC) and 98%, and an enantiomeric excess of ≥99.0%. This is a technical/research grade and TSS does not represent it as USP, BP, or EP.
How should (R)-3-Aminopentanoic acid be handled safely?
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Safety precautions include wearing eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The WGK Germany classification is 3, indicating a hazard to water.
How is (R)-3-Aminopentanoic acid packaged and shipped?
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We meticulously package and export fine chemicals, pharmaceutical intermediates, and laboratory reagents globally, adhering to all relevant safety and shipping regulations.
How can I request a quote or sample for (R)-3-Aminopentanoic acid?
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Please contact our sales team to request a quote or a sample of (R)-3-Aminopentanoic acid.
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