N-Boc-cis-4-fluoro-L-proline methyl ester
Also known as: N-Boc-cis-4-fluoro-L-proline methyl ester, N-t-BOC-cis-4-fluoro-L-proline methyl ester, (2S,4S)-N-Boc-cis-4-fluoro-L-proline methyl ester, N-(tert-Butoxycarbonyl)-(2S,4S)-4-fluoroproline methyl ester, 1-tert-Butyl 2-methyl (2S,4S)-4-fluoropyrrolidine-1,2-dicarboxylate, (2S)-1-tert-butyl 2-methyl 4-fluoropyrrolidine-1,2-dicarboxylate, (2S,4S)-4-Fluoro-1,2-pyrrolidinedicarboxylic acid 1-(tert-butyl) 2-methyl ester, 1-tert-butyl 2-Methyl (2S,4S)-4-fluoro-1,2-pyrrolidinedicarboxylate, 2-Methyl 1-(2-methyl-2-propanyl) (2S,4S)-4-fluoro-1,2-pyrrolidinedicarboxylate, Methyl (2S,4S)-1-(tert-butoxycarbonyl)-4-fluoropyrrolidine-2-carboxylate
N-Boc-cis-4-fluoro-L-proline methyl ester (CAS 203866-16-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18FNO4 and a molecular weight of 247.263 g/mol. Key properties include a boiling point of 296.5±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 133.1±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 203866-16-4
- Jingsj CID
- J-1483937-3
- Molecular Formula
- C11H18FNO4
- Molecular Weight
- 247.263 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 296.5±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 133.1±27.3 °C |
| Exact Mass | 247.121979 |
| PSA | 55.84000 |
| LogP | 0.95 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.466 |
Frequently Asked Questions
What is the CAS number of N-Boc-cis-4-fluoro-L-proline methyl ester?
The CAS number of N-Boc-cis-4-fluoro-L-proline methyl ester is 203866-16-4.
What are the molecular formula and molecular weight of N-Boc-cis-4-fluoro-L-proline methyl ester?
N-Boc-cis-4-fluoro-L-proline methyl ester has molecular formula C11H18FNO4 and molecular weight 247.263 g/mol.
What are the upstream and downstream products of N-Boc-cis-4-fluoro-L-proline methyl ester?
For N-Boc-cis-4-fluoro-L-proline methyl ester, Upstream Products: N-Boc-trans-4-hydroxy-L-proline methyl ester, Di-tert-butyl dicarbonate, 1-benzyl 2-methyl (2S,4S)-4-fluoropyrrolidine-1,2-dicarboxylate; Downstream Products: Methyl (2S,4S)-4-fluoropyrrolidine-2-carboxylate hydrochloride, (2S)-1-[(tert-butoxy)carbonyl]-2,3-dihydro-1H-pyrrole-2-carboxylic acid, (S)-1-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Boc-cis-4-fluoro-L-proline methyl ester (CAS 203866-16-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1483937-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.