Fmoc-4-methoxy-L-phenylalanine

Fmoc-4-甲氧基-L-苯丙氨酸

Also known as: Fmoc-Tyr(Me)-OH, Fmoc-O-methyl-L-tyrosine, Fmoc-L-Tyr(Me), Fmoc-L-Tyr(Me)-OH, Fmoc-Phe(4-OMe)-OH, Fmoc-4-Methoxy-Phe, Fmoc-4-Methoxy-L-Phe-OH, Fmoc-L-4-MeO-Phe-OH, N-Fmoc-O-methyl-L-tyrosine, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-methoxyphenyl)propanoic acid, Fmoc-p-methoxy-Phe-OH, Fmoc-(O-Me)Tyr-OH, Fmoc-Tyr(OMe)-OH

Fmoc-4-methoxy-L-phenylalanine (CAS 77128-72-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C25H23NO5 and a molecular weight of 417.454 g/mol. It is also known as Fmoc-Tyr(Me)-OH, Fmoc-O-methyl-L-tyrosine and Fmoc-L-Tyr(Me). Key properties include a melting point of 161 °C, a boiling point of 647.8±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 345.6±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77128-72-4
Jingsj CID
J-1960297-4
Molecular Formula
C25H23NO5
Chinese Name
Fmoc-4-甲氧基-L-苯丙氨酸
Molecular Weight
417.454 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point161 °C
Boiling Point647.8±55.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point345.6±31.5 °C

Frequently Asked Questions

What is the CAS number of Fmoc-4-methoxy-L-phenylalanine?

The CAS number of Fmoc-4-methoxy-L-phenylalanine is 77128-72-4.

What are the molecular formula and molecular weight of Fmoc-4-methoxy-L-phenylalanine?

Fmoc-4-methoxy-L-phenylalanine has molecular formula C25H23NO5 and molecular weight 417.454 g/mol.

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

Last updated:

How to cite: Jingsj. "Fmoc-4-methoxy-L-phenylalanine (CAS 77128-72-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960297-4 (accessed 2026-10-22).

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