Molekula
N-alpha-(2,4-Dinitro-5-fluorophenyl)-L-alaninamide
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
N-alpha-(2,4-Dinitro-5-fluorophenyl)-L-alaninamide, widely known as Marfey's reagent (FDAA), is a chiral derivatizing agent used in analytical chemistry. It reacts with primary amino groups to form diastereomeric derivatives, allowing D- and L-amino acid enantiomers to be separated and their absolute configuration determined, typically by HPLC. This compound has a CAS number of 95713-52-3, a molecular formula of C9H9FN4O5, and a molecular weight of 272.19 g/mol. It requires refrigerated storage between 2 to 8°C and carries a Warning signal word for safety. Molekula supplies N-alpha-(2,4-Dinitro-5-fluorophenyl)-L-alaninamide 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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100 mg — £165.00 per pack ex VAT · £198.00 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow powder |
| Assay | ≥99% |
| Optical Purity | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90033384 |
| CAS Number | 95713-52-3 |
| IUPAC Name | (2S)-2-(5-fluoro-2,4-dinitroanilino)propanamide |
| Molecular Formula | C9H9FN4O5 |
| Molecular Weight | 272.19 |
| Exact Mass | 272.0557 |
| SMILES | C[C@@H](C(=O)N)NC1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])F |
| InChIKey | NEPLBHLFDJOJGP-BYPYZUCNSA-N |
| InChI | InChI=1S/C9H9FN4O5/c1-4(9(11)15)12-6-2-5(10)7(13(16)17)3-8(6)14(18)19/h2-4,12H,1H3,(H2,11,15)/t4-/m0/s1 |
| PubChem CID | 5486955 |
| REACH Code | Y110 |
| HTS Code | 2924.29.7790 |
| Tariff Code | 2924297099 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
- (2S)-2-(5-fluoro-2,4-dinitroanilino)propanamide
- (2S)-2-[(5-fluoro-2,4-dinitrophenyl)amino]propanamide
- (S)-2-((5-Fluoro-2,4-dinitrophenyl)amino)propanamide
- 1-FD-AA
- 1-Fluoro-2,4-dinitrophenyl-5-alaninamide
- 1-Fluoro-2,4-dinitrophenyl-5-L-ala-NH2
- FDAA
- Marfey's reagent
- N(2)-(5-Fluoro-2,4-dinitrophenyl)alaninamide
- Na-(2,4-Dinitro-5-fluorophenyl)-L-alaninamide
Frequently asked questions
What is N-alpha-(2,4-Dinitro-5-fluorophenyl)-L-alaninamide used for?
This compound, known as Marfey's reagent (FDAA), is used as a chiral derivatizing agent. It reacts with the amino groups of amino acids and amines to form diastereomers, enabling separation of D- and L-enantiomers and determination of absolute configuration, typically by HPLC.
What is the chemical formula and molecular weight?
The formula is C9H9FN4O5, and the molecular weight is 272.19 g/mol.
How should this compound be stored?
Store at 2–8°C in a cool, dry place, away from incompatible substances. Follow proper laboratory chemical storage protocols.
What grade or purity is available for this product?
Molekula supplies this compound in analytical/HPLC-grade purity (≥98%) for research and development applications.
Can Molekula supply this in bulk quantities?
Yes, we can provide bulk quantities upon request—contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
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.