1-(Fmoc-amino)cyclopentanecarboxylic acid
1-(Fmoc-amino)cyclopentanecarboxylic acid (CAS: 117322-30-2) is an unnatural amino acid derivative with the molecular formula C21H21NO4 and a molecular weight of 351.40 g/mol. This compound serves as a valuable building block in chemical synthesis, particularly within peptide chemistry and chemical biology. Its structure features a cyclopentane ring and an Fmoc-protected amine group, facilitating controlled incorporation into peptide chains and other complex molecules.
- IUPAC
- Fmoc-cycloleucine
- Synonyms
- Fmoc-cycloleucine

Peptide Synthesis
Incorporated into peptide sequences to introduce conformational constraints or novel functionalities. The Fmoc protecting group allows for standard solid-phase peptide synthesis protocols.
Chemical Biology Research
Utilised as a tool compound for studying protein structure-function relationships or developing peptide-based therapeutics with altered pharmacokinetic properties.
Drug Discovery
Serves as an intermediate in the synthesis of novel pharmaceutical agents and complex organic molecules where an alicyclic amino acid moiety is desired.
Organic Synthesis
A versatile building block for constructing complex organic structures, leveraging the reactivity of the carboxylic acid and the protected amine.
| Molecular weight | 351.40 |
|---|---|
| Empirical formula | C21H21NO4 |
| Assay | ≥94% (HPLC) |
| Storage temperature | 2-8°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 1-(Fmoc-amino)cyclopentanecarboxylic acid used for?
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This compound is primarily used as a building block in peptide synthesis, chemical biology research, drug discovery, and general organic synthesis.
What are the CAS number and molecular formula for 1-(Fmoc-amino)cyclopentanecarboxylic acid?
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The CAS number is 117322-30-2 and the molecular formula is C21H21NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of ≥94% (HPLC). TSS does not represent this chemical as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product documentation.
How should 1-(Fmoc-amino)cyclopentanecarboxylic acid be handled and stored?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) is recommended. Store at temperatures between 2-8°C.
Is 1-(Fmoc-amino)cyclopentanecarboxylic acid a controlled substance?
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Based on the provided data, there is no indication that 1-(Fmoc-amino)cyclopentanecarboxylic acid is a controlled substance.
How is 1-(Fmoc-amino)cyclopentanecarboxylic acid packed, shipped, and exported?
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This chemical is available for global export. Specific packaging details will be provided upon request, adhering to international shipping regulations for chemicals.
How can I request a sample or quote for 1-(Fmoc-amino)cyclopentanecarboxylic acid?
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Please contact the Tech Serve Solutions sales team through our website or by phone to request a sample or a detailed quotation.
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