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L-1-Naphthylalanine

Also known as: 3-(1-Naphthyl)-L-alanine, H-1-Nal-OH, (S)-2-Amino-3-(naphthalen-1-yl)propanoic acid, (S)-α-Amino-1-naphthalenepropanoic acid, H-ALA(1-NAPH)-OH, MFCD00066086, RARECHEM BK PT 0091

L-1-Naphthylalanine (CAS 55516-54-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H13NO2 and a molecular weight of 215.248 g/mol. Key properties include a melting point of 254-257 °C, a boiling point of 412.3±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 203.2±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55516-54-6
Jingsj CID
J-45346-3
Molecular Formula
C13H13NO2
Molecular Weight
215.248 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point254-257 °C
Boiling Point412.3±33.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point203.2±25.4 °C
Exact Mass215.094635
PSA63.32000
LogP2.34
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.660

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):1793-1034.

Customs & Trade Information

HS Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of L-1-Naphthylalanine?

The CAS number of L-1-Naphthylalanine is 55516-54-6.

What are the molecular formula and molecular weight of L-1-Naphthylalanine?

L-1-Naphthylalanine has molecular formula C13H13NO2 and molecular weight 215.248 g/mol.

What are the upstream and downstream products of L-1-Naphthylalanine?

For L-1-Naphthylalanine, Downstream Products: Boc-3-(1-naphthyl)-L-alanine, (S)-N-Fmoc-1-naphthylalanine, Z-3-(1-naphthyl)-L-alanine.

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

Last updated:

How to cite: Jingsj. "L-1-Naphthylalanine (CAS 55516-54-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45346-3 (accessed 2026-11-09).

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