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2,3-Difluoro-L-phenylalanine

Also known as: (S)-2-Amino-3-(2,3-difluorophenyl)propanoic acid, (S)-2-Amino-3-(2,3-difluorophenyl)propionic acid, 2,3-Difluorophenylalanine, H-Phe(2,3-F2)-OH, L-Phenylalanine, 2,3-difluoro-

2,3-Difluoro-L-phenylalanine (CAS 266360-42-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9F2NO2 and a molecular weight of 201.170 g/mol. Key properties include a boiling point of 306.9±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 139.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
266360-42-3
Jingsj CID
J-1089409-4
Molecular Formula
C9H9F2NO2
Molecular Weight
201.170 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point306.9±42.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point139.4±27.9 °C
Exact Mass201.060135
PSA63.32000
LogP1.13
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.536

Frequently Asked Questions

What is the CAS number of 2,3-Difluoro-L-phenylalanine?

The CAS number of 2,3-Difluoro-L-phenylalanine is 266360-42-3.

What are the molecular formula and molecular weight of 2,3-Difluoro-L-phenylalanine?

2,3-Difluoro-L-phenylalanine has molecular formula C9H9F2NO2 and molecular weight 201.170 g/mol.

What are the upstream and downstream products of 2,3-Difluoro-L-phenylalanine?

For 2,3-Difluoro-L-phenylalanine, Upstream Products: 2,3-Difluorobenzyl bromide.

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

Last updated:

How to cite: Jingsj. "2,3-Difluoro-L-phenylalanine (CAS 266360-42-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1089409-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.