N-Boc-4,4-difluoro-L-proline

N-Boc-4,4-二氟-L-脯氨酸

Also known as: N-t-BOC-4,4-difluoro-L-proline, Boc-4,4-difluoro-L-proline, (S)-1-(tert-Butoxycarbonyl)-4,4-difluoropyrrolidine-2-carboxylic acid, (S)-1-Boc-4,4-difluoropyrrolidine-2-carboxylic acid, 1-(tert-Butoxycarbonyl)-4,4-difluoro-L-proline, 1,2-Pyrrolidinedicarboxylic acid, 4,4-difluoro-, 1-(1,1-dimethylethyl) ester, (2S)-, 4,4-Difluoro-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-proline, N-Boc-(2S)-4,4-difluoroproline, BOC-L-PRO(4,4-DIFLUORO), MFCD03094917

N-Boc-4,4-difluoro-L-proline (CAS 203866-15-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H15F2NO4 and a molecular weight of 251.227 g/mol. It is also known as N-t-BOC-4,4-difluoro-L-proline, Boc-4,4-difluoro-L-proline and (S)-1-(tert-Butoxycarbonyl)-4,4-difluoropyrrolidine-2-carboxylic acid. Key properties include a melting point of 120-124ºC, a boiling point of 340.4±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 159.7±27.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
203866-15-3
Jingsj CID
J-21332-1
Molecular Formula
C10H15F2NO4
Chinese Name
N-Boc-4,4-二氟-L-脯氨酸
Molecular Weight
251.227 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point120-124ºC
Boiling Point340.4±42.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point159.7±27.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of N-Boc-4,4-difluoro-L-proline?

The CAS number of N-Boc-4,4-difluoro-L-proline is 203866-15-3.

What are the molecular formula and molecular weight of N-Boc-4,4-difluoro-L-proline?

N-Boc-4,4-difluoro-L-proline has molecular formula C10H15F2NO4 and molecular weight 251.227 g/mol.

Is N-Boc-4,4-difluoro-L-proline hazardous?

N-Boc-4,4-difluoro-L-proline has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "N-Boc-4,4-difluoro-L-proline (CAS 203866-15-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21332-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.