(S)-N-Fmoc-4-bromophenylalanine

Fmoc-L-4-溴苯丙氨酸

Also known as: Fmoc-Phe(4-Br)-OH, Fmoc-4-bromo-L-phenylalanine, N-Fmoc-4-bromo-L-phenylalanine, (2S)-3-(4-bromophenyl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid, Fmoc-L-4-Br-Phe-OH, Fmoc-p-bromo-L-phenylalanine, 4-Bromo-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-phenylalanine

(S)-N-Fmoc-4-bromophenylalanine (CAS 198561-04-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H20BrNO4 and a molecular weight of 466.324 g/mol. It is also known as Fmoc-Phe(4-Br)-OH, Fmoc-4-bromo-L-phenylalanine and N-Fmoc-4-bromo-L-phenylalanine. Key properties include a melting point of 151.5 °C, a boiling point of 660.8±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 353.4±31.5 °C. GHS hazard statements: H413. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
198561-04-5
Jingsj CID
J-10097-7
Molecular Formula
C24H20BrNO4
Chinese Name
Fmoc-L-4-溴苯丙氨酸
Molecular Weight
466.324 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point151.5 °C
Boiling Point660.8±55.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point353.4±31.5 °C
Exact Mass465.057556
PSA75.63000
LogP6.18
Vapor Pressure0.0±2.1 mmHg at 25°C
Refractive Index1.647

GHS Safety & Compliance

  • H413

Activity & Biological Data

Additional Information[1]. Qiao JX, et al. Synthesis of Fmoc-Protected Arylphenylalanines (Bip Derivatives) via Nonaqueous Suzuki-Miyaura Cross-Coupling Reactions. J Org Chem. 2016 Oct 7;81(19):9499-9506.

Customs & Trade Information

HS Code2924299090
Summary2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (S)-N-Fmoc-4-bromophenylalanine?

The CAS number of (S)-N-Fmoc-4-bromophenylalanine is 198561-04-5.

What are the molecular formula and molecular weight of (S)-N-Fmoc-4-bromophenylalanine?

(S)-N-Fmoc-4-bromophenylalanine has molecular formula C24H20BrNO4 and molecular weight 466.324 g/mol.

Is (S)-N-Fmoc-4-bromophenylalanine hazardous?

(S)-N-Fmoc-4-bromophenylalanine has GHS hazard statements H413.

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

Last updated:

How to cite: Jingsj. "(S)-N-Fmoc-4-bromophenylalanine (CAS 198561-04-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10097-7 (accessed 2026-10-28).

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