Fmoc-Lys(Boc)-OH

Also known as: Nα-Fmoc-Nε-Boc-L-lysine, N-alpha-FMOC-Nepsilon-BOC-L-Lysine, N6-(tert-Butoxycarbonyl)-N2-((9H-fluoren-9-ylmethoxy)carbonyl)-L-lysine, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)hexanoic acid, Nε-(tert-Butoxycarbonyl)-Nα-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysine, Fmoc-Lys(Boc)

Fmoc-Lys(Boc)-OH (CAS 71989-26-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C26H32N2O6 and a molecular weight of 468.542 g/mol. Key properties include a melting point of 130-135 °C (dec.), a boiling point of 685.7±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 368.5±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 71989-26-9
Jingsj CID: J-19803-8
Molecular Formula: C₂₆H₃₂N₂O₆
Molecular Weight: 468.542 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	130-135 °C (dec.)
Boiling Point	685.7±55.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	368.5±31.5 °C
Exact Mass	468.226044
PSA	113.96000
LogP	4.97
Vapor Pressure	0.0±2.2 mmHg at 25°C
Refractive Index	1.566

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	2924299090
Summary	2924299090. 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 Fmoc-Lys(Boc)-OH?

The CAS number of Fmoc-Lys(Boc)-OH is 71989-26-9.

What are the molecular formula and molecular weight of Fmoc-Lys(Boc)-OH?

Fmoc-Lys(Boc)-OH has molecular formula C26H32N2O6 and molecular weight 468.542 g/mol.

What are the upstream and downstream products of Fmoc-Lys(Boc)-OH?

For Fmoc-Lys(Boc)-OH, Upstream Products: Di-tert-butyl dicarbonate, L-Lysine hydrochloride, Nε-(tert-Butoxycarbonyl)-L-lysine; Downstream Products: Copper Peptide, Fmoc-Lys(Boc)-OPfp, Nε-(tert-Butoxycarbonyl)-L-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. "Fmoc-Lys(Boc)-OH (CAS 71989-26-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19803-8 (accessed 2026-11-09).

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