Boc-4-Amino-L-phenylalanine

Boc-4-氨基-L-苯丙氨酸

Also known as: (2S)-3-(4-aminophenyl)-2-[(tert-butoxycarbonyl)amino]propanoic acid, Boc-Phe(4-NH2)-OH, 4-Amino-N-(tert-butoxycarbonyl)-L-phenylalanine, L-N-Boc-4-aminophenylalanine, Boc-Phe(4'-NH2)-OH, MFCD00038139, N-α-tert-Butoxycarbonyl-4-amino-L-phenylalanine, 4-Amino-N-[(1,1-dimethylethoxy)carbonyl]-L-phenylalanine

Boc-4-Amino-L-phenylalanine (CAS 55533-24-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H20N2O4 and a molecular weight of 280.320 g/mol. It is also known as (2S)-3-(4-aminophenyl)-2-[(tert-butoxycarbonyl)amino]propanoic acid, Boc-Phe(4-NH2)-OH and 4-Amino-N-(tert-butoxycarbonyl)-L-phenylalanine. Key properties include a melting point of 126 °C, a boiling point of 484.9±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 247.0±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55533-24-9
Jingsj CID
J-31729-2
Molecular Formula
C14H20N2O4
Chinese Name
Boc-4-氨基-L-苯丙氨酸
Molecular Weight
280.320 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point126 °C
Boiling Point484.9±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point247.0±27.3 °C

Frequently Asked Questions

What is the CAS number of Boc-4-Amino-L-phenylalanine?

The CAS number of Boc-4-Amino-L-phenylalanine is 55533-24-9.

What are the molecular formula and molecular weight of Boc-4-Amino-L-phenylalanine?

Boc-4-Amino-L-phenylalanine has molecular formula C14H20N2O4 and molecular weight 280.320 g/mol.

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

Last updated:

How to cite: Jingsj. "Boc-4-Amino-L-phenylalanine (CAS 55533-24-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31729-2 (accessed 2026-10-22).

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