Molekula
Fmoc-L-Asparagine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Fmoc-L-Asparagine is a protected amino acid used in peptide synthesis to introduce asparagine residues with controlled reactivity. It is a key building block in solid-phase peptide synthesis. CAS: 71989-16-7, Molecular formula: C19H18N2O5, Molecular weight: 354.36, Storage: Ambient. Molekula supplies Fmoc-L-Asparagine 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
On backorder — expected to ship by 18 November 2026
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.
-
25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 37865325 |
| CAS Number | 71989-16-7 |
| IUPAC Name | (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoic acid |
| Molecular Formula | C19H18N2O5 |
| Molecular Weight | 354.36 |
| Exact Mass | 354.1216 |
| SMILES | C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)N[C@@H](CC(=O)N)C(=O)O |
| InChIKey | YUGBZNJSGOBFOV-INIZCTEOSA-N |
| InChI | InChI=1S/C19H18N2O5/c20-17(22)9-16(18(23)24)21-19(25)26-10-15-13-7-3-1-5-11(13)12-6-2-4-8-14(12)15/h1-8,15-16H,9-10H2,(H2,20,22)(H,21,25)(H,23,24)/t16-/m0/s1 |
| PubChem CID | 2724774 |
| REACH Code | Y110 |
| HTS Code | 29242977 |
| Tariff Code | 2924297099 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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-asparagine
- (2S)-3-carbamoyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid
- (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoic acid
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-amino-4-oxobutanoic acid
- Fmoc-Asn-OH
- Fmoc-L-Asn-OH
- L-Asparagine, N(2)-[(9H-fluoren-9-ylmethoxy)carbonyl]-
- N-.alpha.-Fmoc-L-asparagine
- N2-((9H-Fluoren-9-ylmethoxy)carbonyl)-L-asparagine
- YUGBZNJSGOBFOV-INIZCTEOSA-N
Frequently asked questions
What is Fmoc-L-Asparagine used for?
It is primarily used in peptide synthesis as a protected amino acid building block for creating bioactive peptides and pharmaceuticals.
What is the chemical formula and molecular weight of Fmoc-L-Asparagine?
The formula is C19H18N2O5 with a molecular weight of 354.36 g/mol.
How should Fmoc-L-Asparagine be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for Fmoc-L-Asparagine?
It is available in high-purity research grade suitable for peptide synthesis.
Can Molekula supply Fmoc-L-Asparagine in bulk?
Yes, Molekula can supply Fmoc-L-Asparagine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Fmoc-L-Asparagine?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
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.