Molekula
Fmoc-L-Phenylalanine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Fmoc-L-Phenylalanine is a protected amino acid derivative widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS), due to its stability and ease of deprotection. It serves as a key building block for constructing complex peptide chains in pharmaceuticals, biochemistry research, and custom peptide production. CAS 35661-40-6, molecular formula C24H21NO4, molecular weight 387.43. Store between 2 to 8°C. No signal word required. Molekula supplies Fmoc-L-Phenylalanine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — $67.90 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Melting Point | 180 - 187 Deg C |
| Specific rotation | -42 to -38 |
| Assay | >98% |
| Carbon (C) | 72.5 - 76.3% |
| Nitrogen (N) | 3.3 - 3.9% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 22125400 |
| CAS Number | 35661-40-6 |
| IUPAC Name | (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-phenylpropanoic acid |
| Molecular Formula | C24H21NO4 |
| Molecular Weight | 387.43 |
| Exact Mass | 387.1471 |
| SMILES | C1=CC=C(C=C1)C[C@@H](C(=O)O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24 |
| InChIKey | SJVFAHZPLIXNDH-QFIPXVFZSA-N |
| InChI | InChI=1S/C24H21NO4/c26-23(27)22(14-16-8-2-1-3-9-16)25-24(28)29-15-21-19-12-6-4-10-17(19)18-11-5-7-13-20(18)21/h1-13,21-22H,14-15H2,(H,25,28)(H,26,27)/t22-/m0/s1 |
| PubChem CID | 978331 |
| REACH Code | Y110 |
| HTS Code | 29242970 |
| Tariff Code | 2924297099 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (((9H-fluoren-9-yl)methoxy)carbonyl)-L-phenylalanine
- fluorenylmethoxycarbonyl-conjugated phenylalanine
- FMOC-L-PHE
- Fmoc-L-Phe-OH
- FMOC-PHE
- Fmoc-Phe-OH
- FMOC-PHENYLALANINE
- N-(9-Fluorenylmethoxycarbonyl)-L-phenylalanine
- N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-phenylalanine
- N-Fmoc-L-phenylalanine
Frequently asked questions
What is Fmoc-L-Phenylalanine used for?
Fmoc-L-Phenylalanine is primarily used in peptide synthesis as a protected amino acid building block, enabling the stepwise construction of peptides and proteins.
What is the chemical formula and molecular weight of Fmoc-L-Phenylalanine?
The chemical formula is **C24H21NO4**, and the molecular weight is **387.43 g/mol**.
How should Fmoc-L-Phenylalanine be stored?
Store at **2 to 8°C** in a dry, well-ventilated area, protected from light and moisture.
What grades or purities of Fmoc-L-Phenylalanine does Molekula supply?
Molekula supplies **analytical grade** and **synthesis grade** Fmoc-L-Phenylalanine, with purity typically ≥98%.
Can Molekula supply Fmoc-L-Phenylalanine in bulk quantities?
Yes, Molekula can provide Fmoc-L-Phenylalanine in bulk, with custom packaging options available upon request.
What documentation comes with an order of Fmoc-L-Phenylalanine?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **batch-specific label** with storage and handling instructions.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.