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Fmoc-L-beta-homophenylalanine

Also known as: Fmoc-β-Homophe-OH, Fmoc-Beta-HoPhe-OH, (S)-3-(Fmoc-amino)-4-phenylbutanoic acid, (S)-3-(Fmoc-amino)-4-phenylbutyric acid, Fmoc-L-β-homophenylalanine, AmbotzFAA1657, (3S)-3-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-phenylbutanoic acid, (S)-3-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-phenylbutanoic acid, (S)-Fmoc-3-amino-4-phenylbutyric acid, Benzenebutanoic acid, β-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-, (βS)-

Fmoc-L-beta-homophenylalanine (CAS 193954-28-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C25H23NO4 and a molecular weight of 401.454 g/mol. Key properties include a boiling point of 633.2±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 336.8±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
193954-28-8
Jingsj CID
J-34782-0
Molecular Formula
C25H23NO4
Molecular Weight
401.454 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point633.2±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point336.8±30.1 °C
Exact Mass401.162720
PSA75.63000
LogP5.62
Vapor Pressure0.0±2.0 mmHg at 25°C
Refractive Index1.624

Activity & Biological Data

Additional Information[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-914.

Frequently Asked Questions

What is the CAS number of Fmoc-L-beta-homophenylalanine?

The CAS number of Fmoc-L-beta-homophenylalanine is 193954-28-8.

What are the molecular formula and molecular weight of Fmoc-L-beta-homophenylalanine?

Fmoc-L-beta-homophenylalanine has molecular formula C25H23NO4 and molecular weight 401.454 g/mol.

What are the upstream and downstream products of Fmoc-L-beta-homophenylalanine?

For Fmoc-L-beta-homophenylalanine, Upstream Products: Fmoc-L-phenylalanine, Fmoc-OSu, Fmoc-L-phenylalanyl chloride; Downstream Products: DL-beta-Homophenylalanine.

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

Last updated:

How to cite: Jingsj. "Fmoc-L-beta-homophenylalanine (CAS 193954-28-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34782-0 (accessed 2026-11-09).

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