N-(tert-Butoxycarbonyl)-D-phenylalanine

Also known as: Boc-D-Phe-OH, Boc-D-phenylalanine, N-Boc-D-phenylalanine, (2R)-2-[(tert-butoxycarbonyl)amino]-3-phenylpropanoic acid, (R)-N-(tert-butoxycarbonyl)phenylalanine, MFCD00063149

N-(tert-Butoxycarbonyl)-D-phenylalanine (CAS 18942-49-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H19NO4 and a molecular weight of 265.305 g/mol. Key properties include a melting point of 85-88ºC, a boiling point of 426.6±38.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 211.8±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18942-49-9
Jingsj CID: J-17363-7
Molecular Formula: C₁₄H₁₉NO₄
Molecular Weight: 265.305 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	85-88ºC
Boiling Point	426.6±38.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	211.8±26.8 °C
Exact Mass	265.131409
PSA	75.63000
LogP	2.96
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.528

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):1793-884.

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 N-(tert-Butoxycarbonyl)-D-phenylalanine?

The CAS number of N-(tert-Butoxycarbonyl)-D-phenylalanine is 18942-49-9.

What are the molecular formula and molecular weight of N-(tert-Butoxycarbonyl)-D-phenylalanine?

N-(tert-Butoxycarbonyl)-D-phenylalanine has molecular formula C14H19NO4 and molecular weight 265.305 g/mol.

What are the upstream and downstream products of N-(tert-Butoxycarbonyl)-D-phenylalanine?

For N-(tert-Butoxycarbonyl)-D-phenylalanine, Upstream Products: Di-tert-butyl dicarbonate, D-Phenylalanine, N-Boc-D-Phenylalaninol; Downstream Products: D-Phenylalaninol, D-Phenylalanine, Octreotide acetate.

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-(tert-Butoxycarbonyl)-D-phenylalanine (CAS 18942-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17363-7 (accessed 2026-11-09).

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