N-6-Trifluoroacetyl-L-lysine

Also known as: H-Lys(Tfa)-OH, H-Lys(CF3CO)-OH, N6-Trifluoroacetyl-L-lysine, N-(Trifluoroacetyl)-L-lysine, Nepsilon-Trifluoroacetyl-L-lysine, L-Lysine, N6-(2,2,2-trifluoroacetyl)-, Lys(Tfa)-OH, Epsilon-TFA-lysine, MFCD00037223

N-6-Trifluoroacetyl-L-lysine (CAS 10009-20-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H13F3N2O3 and a molecular weight of 242.196 g/mol. Key properties include a melting point of 258ºC, a boiling point of 382.5±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 185.1±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 10009-20-8
Jingsj CID: J-1131025-1
Molecular Formula: C₈H₁₃F₃N₂O₃
Molecular Weight: 242.196 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	258ºC
Boiling Point	382.5±42.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	185.1±27.9 °C
Exact Mass	242.087830
PSA	92.42000
LogP	-0.22
Vapor Pressure	0.0±1.9 mmHg at 25°C
Refractive Index	1.444
Storage Conditions	2-8°C
Additional Property	2 M HCl: 10 mg/mL, clear, colorless

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.

Customs & Trade Information

HS Code	2924199090
Summary	2924199090. other acyclic amides (including acyclic 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 N-6-Trifluoroacetyl-L-lysine?

The CAS number of N-6-Trifluoroacetyl-L-lysine is 10009-20-8.

What are the molecular formula and molecular weight of N-6-Trifluoroacetyl-L-lysine?

N-6-Trifluoroacetyl-L-lysine has molecular formula C8H13F3N2O3 and molecular weight 242.196 g/mol.

What are the upstream and downstream products of N-6-Trifluoroacetyl-L-lysine?

For N-6-Trifluoroacetyl-L-lysine, Upstream Products: Ethyl trifluoroacetate, L-Lysine hydrochloride, S-Ethyl trifluorothioacetate; Downstream Products: N6-Trifluoroacetyl-L-lysine N-carboxyanhydride, N6-Trifluoroacetyl-L-lysyl-L-proline, N2-[(1,1-dimethylethoxy)carbonyl]-N6-(trifluoroacetyl)-D-lysine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-6-Trifluoroacetyl-L-lysine (CAS 10009-20-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1131025-1 (accessed 2026-11-09).

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