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Fmoc-N-epsilon-trifluoroacetyl-L-lysine

Also known as: Fmoc-Lys(Tfa)-OH, FMOC-LYS(TFA)-OH, FMOC-L-LYS(TFA)-OH, N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-N-EPSILON-TRIFLUOROACETYL-L-LYSINE, N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-N-EPSILON-TRIFLUORACETYL-L-LYSINE, N-ALPHA-FMOC-N-EPSILON-TRIFLUOROACETYL-L-LYSINE, NA-FMOC-NE-TRIFLUOROACETYL-L-LYSINE, FMOC-N-EPSILON-TFA-L-LYSINE, FMOC-N-EPSILON-TRIFLUOROACETYL-L-LYSINE, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N-(trifluoroacetyl)-L-lysine, (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-[(2,2,2-trifluoroacetyl)amino]hexanoic acid, MFCD00153360

Fmoc-N-epsilon-trifluoroacetyl-L-lysine (CAS 76265-69-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H23F3N2O5 and a molecular weight of 464.434 g/mol. Key properties include a melting point of 170-174℃, a boiling point of 668.3±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 358.0±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76265-69-5
Jingsj CID
J-1972779-8
Molecular Formula
C23H23F3N2O5
Molecular Weight
464.434 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point170-174℃
Boiling Point668.3±55.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point358.0±31.5 °C
Exact Mass464.155914
PSA104.73000
LogP4.01
Vapor Pressure0.0±2.1 mmHg at 25°C
Refractive Index1.553
Storage Conditions2-8°C

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):1793-1144.

Frequently Asked Questions

What is the CAS number of Fmoc-N-epsilon-trifluoroacetyl-L-lysine?

The CAS number of Fmoc-N-epsilon-trifluoroacetyl-L-lysine is 76265-69-5.

What are the molecular formula and molecular weight of Fmoc-N-epsilon-trifluoroacetyl-L-lysine?

Fmoc-N-epsilon-trifluoroacetyl-L-lysine has molecular formula C23H23F3N2O5 and molecular weight 464.434 g/mol.

What are the upstream and downstream products of Fmoc-N-epsilon-trifluoroacetyl-L-lysine?

For Fmoc-N-epsilon-trifluoroacetyl-L-lysine, Upstream Products: N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-lysine, Trifluoroacetic anhydride.

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-N-epsilon-trifluoroacetyl-L-lysine (CAS 76265-69-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972779-8 (accessed 2026-11-09).

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