N-Acetyl-DL-phenylalanine β-naphthyl ester

Also known as: Phenylalanine, N-acetyl-, 2-naphthalenyl ester, AC-DL-PHE-BETA-NAPHTHYL ESTER, AC-DL-PHENYLALANINE-BETA-NAPHTHYL ESTER, ACETYL-DL-PHE-BETA-NAPHTHYL ESTER, ACETYL-DL-PHENYLALANINE β-NAPHTHYL ESTER, ACETYL-DL-PHENYLALANINE BETA-NAPHTHYL ESTER, APNE, N-Acetyl-DL-phenylalanin-[2]naphthylester, N-acetyl-DL-phenylalanine-[2]naphthyl ester, beta-naphthyl N-acetylphenylalaninate, β-naphthyl N-acetylphenylalaninate, mv1, naphthalen-2-yl 2-acetamido-3-phenylpropanoate, N-Acetyl-DL-phenylalanine 2-naphthyl ester

N-Acetyl-DL-phenylalanine β-naphthyl ester (CAS 20874-31-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H19NO3 and a molecular weight of 333.38000 g/mol. Key properties include a boiling point of 589.8ºC at 760mmHg, a density of 1.2g/cm3 and a flash point of 310.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20874-31-1
Jingsj CID: J-1970617-3
Molecular Formula: C₂₁H₁₉NO₃
Molecular Weight: 333.38000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	589.8ºC at 760mmHg
Density	1.2g/cm3
Flash Point	310.5ºC
Exact Mass	333.13600
PSA	55.40000
LogP	3.88350
Vapor Pressure	6.93E-14mmHg at 25°C
Refractive Index	1.618

Activity & Biological Data

Additional Information	[1]. Kar NC, et al. Acetyl-DL-phenylalanine beta-naphthyl esterase activity in human muscle disease. Biochem Med. 1978 Aug. 20(1):63-9. [2]. Yakoby N, et al. A simple method to determine trypsin and chymotrypsin inhibitory activity. J Biochem Biophys Methods. 2004 Jun 30. 59(3):241-51. [3]. Kourteva I, et al. Assay for enzyme inhibition: detection of natural inhibitors of trypsin and chymotrypsin. Anal Biochem. 1987 May 1. 162(2):345-9. [4]. Darani HY, et al. An association between Schistosoma mansoni worms and an enzymatically-active protease/peptidase in mouse blood. Parasitology. 2008 Apr. 135(4):467-72. [5]. P Tsung, et al. Isolation of an N-acetyl-DL-phenylalanine beta-naphthyl esterase from rabbit peritoneal polymorphonuclear leukocytes. Biochim Biophys Acta. 1975 Sep 22;403(1):98-105.

Additional Information

[1]. Kar NC, et al. Acetyl-DL-phenylalanine beta-naphthyl esterase activity in human muscle disease. Biochem Med. 1978 Aug. 20(1):63-9. [2]. Yakoby N, et al. A simple method to determine trypsin and chymotrypsin inhibitory activity. J Biochem Biophys Methods. 2004 Jun 30. 59(3):241-51. [3]. Kourteva I, et al. Assay for enzyme inhibition: detection of natural inhibitors of trypsin and chymotrypsin. Anal Biochem. 1987 May 1. 162(2):345-9. [4]. Darani HY, et al. An association between Schistosoma mansoni worms and an enzymatically-active protease/peptidase in mouse blood. Parasitology. 2008 Apr. 135(4):467-72. [5]. P Tsung, et al. Isolation of an N-acetyl-DL-phenylalanine beta-naphthyl esterase from rabbit peritoneal polymorphonuclear leukocytes. Biochim Biophys Acta. 1975 Sep 22;403(1):98-105.

Frequently Asked Questions

What is the CAS number of N-Acetyl-DL-phenylalanine β-naphthyl ester?

The CAS number of N-Acetyl-DL-phenylalanine β-naphthyl ester is 20874-31-1.

What are the molecular formula and molecular weight of N-Acetyl-DL-phenylalanine β-naphthyl ester?

N-Acetyl-DL-phenylalanine β-naphthyl ester has molecular formula C21H19NO3 and molecular weight 333.38000 g/mol.

What are the upstream and downstream products of N-Acetyl-DL-phenylalanine β-naphthyl ester?

For N-Acetyl-DL-phenylalanine β-naphthyl ester, Upstream Products: Oxalyl chloride, N-Acetyl-DL-phenylalanine.

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-Acetyl-DL-phenylalanine β-naphthyl ester (CAS 20874-31-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970617-3 (accessed 2026-11-09).

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