Molekula
Fmoc-L-Methionine
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-Methionine is a protected amino acid used in peptide synthesis to incorporate methionine residues with controlled reactivity. It is a solid powder with a molecular formula of C20H21NO4S and a molecular weight of 371.45 g/mol. It is stable when stored at 2 to 8 °C. CAS number: 71989-28-1. Signal word: None. Molekula supplies Fmoc-L-Methionine 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.
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25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 41915742 |
| CAS Number | 71989-28-1 |
| IUPAC Name | (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-methylsulfanylbutanoic acid |
| Molecular Formula | C20H21NO4S |
| Molecular Weight | 371.45 |
| Exact Mass | 371.1191 |
| SMILES | CSCC[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13 |
| InChIKey | BUBGAUHBELNDEW-SFHVURJKSA-N |
| InChI | InChI=1S/C20H21NO4S/c1-26-11-10-18(19(22)23)21-20(24)25-12-17-15-8-4-2-6-13(15)14-7-3-5-9-16(14)17/h2-9,17-18H,10-12H2,1H3,(H,21,24)(H,22,23)/t18-/m0/s1 |
| PubChem CID | 2724632 |
| REACH Code | Y113 |
| HTS Code | 2930.90.2900 |
| Tariff Code | 2930909599 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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-methionine
- (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-methylsulfanylbutanoic acid
- (S)-N-FMOC-METHIONINE
- Fmoc-L-Met-OH
- Fmoc-Met-OH
- Methionine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-
- N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-methionine
- N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-L-METHIONINE
- N-FLUORENYLMETHOXYCARBONYL-L-METHIONINE
- N-Fmoc-L-methionine
Frequently asked questions
What is Fmoc-L-Methionine used for?
Fmoc-L-Methionine is primarily used in peptide synthesis as a protected amino acid building block for solid-phase peptide synthesis (SPPS).
What is the chemical formula and molecular weight of Fmoc-L-Methionine?
The formula is C20H21NO4S with a molecular weight of 371.45 g/mol.
How should Fmoc-L-Methionine be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available for Fmoc-L-Methionine?
It is available in high-purity research grade suitable for peptide synthesis.
Can Molekula supply Fmoc-L-Methionine in bulk?
Yes, Molekula can supply Fmoc-L-Methionine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Fmoc-L-Methionine?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
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.