VAQORAFmoc-L-proline, 99%
Synonyms: N-(9-Fluorenylmethoxycarbonyl)-L-proline · Fmoc-Pro-OH · Fmoc-L-Pro-OH · (2S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylic acid
CAS No.71989-31-6
FormulaC20H19NO4
Mol. weight337.40
Catalogue No.VQ-002279
Purity99%
HSN28121022
Fmoc-L-proline (CAS 71989-31-6) – protected amino acid, Biochemistry grade, 99%. C20H19NO4, MW 337.4. Supplied by Vaqora Chemicals with COA, exported worldwide.
Pack sizesPrice on quotation · bulk available
5 g
25 g
100 g
1 kg
5 kg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Fmoc-L-proline, 99%
Fmoc-L-proline (CAS 71989-31-6) is a protected amino acid offered by Vaqora Chemicals (Biochemistry grade) with a typical assay of 99%. Its molecular formula is C20H19NO4 and its molecular weight is 337.4 g/mol. Systematically, it is named (2S)-1-(9H-fluoren-9-ylmethoxycarbonyl)pyrrolidine-2-carboxylic acid. Common synonyms include N-(9-Fluorenylmethoxycarbonyl)-L-proline and Fmoc-Pro-OH.
It is supplied as a white to off-white powder or crystalline powder. Literature values give a melting point of 117-118 °C. Recommended storage is at 2–8 °C, with the container kept tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.
It is commonly used for solid-phase peptide synthesis (SPPS), peptide drug discovery and medicinal chemistry. It is used across academic and industrial research and diagnostics and biotechnology.
Vaqora Chemicals supplies Fmoc-L-proline in 5 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Solid-phase peptide synthesis (SPPS)
- Peptide drug discovery
- Medicinal chemistry
Industries
Specifications & identifiers
| Product name | Fmoc-L-proline, 99% |
|---|---|
| Catalogue No. | VQ-002279 |
| CAS Number | 71989-31-6 |
| IUPAC name | (2S)-1-(9H-fluoren-9-ylmethoxycarbonyl)pyrrolidine-2-carboxylic acid |
| Molecular formula | C20H19NO4 |
| Molecular weight | 337.4 g/mol |
| Exact mass | 337.1314 |
| Grade | Biochemistry |
| Purity / assay | 99% |
| HSN code | 28121022 |
| InChIKey | ZPGDWQNBZYOZTI-SFHVURJKSA-N |
| SMILES | C1C[C@H](N(C1)C(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24)C(=O)O |
| PubChem CID | 688135 |
| Physical form | Powder |
|---|---|
| Appearance | White to off-white powder or crystalline powder |
| Melting point | 117-118 °C |
| LogP (XLogP3) | 3.4 |
| H-bond donors / acceptors | 1 / 4 |
| TPSA | 66.8 Ų |
| Storage | 2–8 °C |
| Synonyms | N-(9-Fluorenylmethoxycarbonyl)-L-proline, Fmoc-Pro-OH, Fmoc-L-Pro-OH, (2S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylic acid, (2S)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]pyrrolidine-2-carboxylic acid, L-Proline-N-Fmoc, 1,2-Pyrrolidinedicarboxylic acid, 1-(9H-fluoren-9-ylmethyl) ester, (2S)-, (S)-N-(9-Fluorenylmethoxycarbonyl)proline, (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-proline, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-proline, (2S)-1-[(fluoren-9-ylmethyl)oxycarbonyl]pyrrolidine-2-carboxylic acid, Fmoc-Pro-OH.nH2O |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH312Harmful in contact with skinH315Causes skin irritationH319Causes serious eye irritationH332Harmful if inhaledH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Other grades of CAS 71989-31-6
Frequently asked questions
What is the CAS number of Fmoc-L-proline, 99%?
The CAS Registry Number of Fmoc-L-proline, 99% is 71989-31-6. It is also known as N-(9-Fluorenylmethoxycarbonyl)-L-proline, Fmoc-Pro-OH, Fmoc-L-Pro-OH.
What is the molecular formula and molecular weight of Fmoc-L-proline, 99%?
Fmoc-L-proline, 99% has the molecular formula C20H19NO4 and a molecular weight of 337.4 g/mol. Its IUPAC name is (2S)-1-(9H-fluoren-9-ylmethoxycarbonyl)pyrrolidine-2-carboxylic acid.
Which grade and pack sizes of Fmoc-L-proline, 99% can I order?
We supply Fmoc-L-proline, 99% in Biochemistry (99%) grade, in 5 g, 25 g, 100 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Fmoc-L-proline, 99%?
Yes. Every lot of Fmoc-L-proline, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Fmoc-L-proline, 99% be shipped internationally?
Yes. Fmoc-L-proline, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
How should Fmoc-L-proline, 99% be stored?
2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.
Enquire about Fmoc-L-proline, 99%
We reply within one business day with price, pack options, lead time and documentation.
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