N-(tert-Butoxycarbonyl)-4-methoxy-D-phenylalanine

Also known as: Boc-D-Tyr(Me)-OH, Boc-4-Methoxy-D-phenylalanine, N-Boc-4-Methoxy-D-phenylalanine, N-Boc-O-methyl-D-tyrosine, N-(tert-Butoxycarbonyl)-O-methyl-D-tyrosine, O-Methyl-N-{[(2-methyl-2-propanyl)oxy]carbonyl}-D-tyrosine, (2R)-3-(4-methoxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, MFCD00065604

N-(tert-Butoxycarbonyl)-4-methoxy-D-phenylalanine (CAS 68856-96-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H21NO5 and a molecular weight of 295.331 g/mol. Key properties include a melting point of 93.0 to 97.0 °C, a boiling point of 462.0±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 233.2±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 68856-96-2
Jingsj CID: J-1454874-4
Molecular Formula: C₁₅H₂₁NO₅
Molecular Weight: 295.331 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	93.0 to 97.0 °C
Boiling Point	462.0±40.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	233.2±27.3 °C
Exact Mass	295.141968
PSA	84.86000
LogP	2.88
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.523
Storage Conditions	Store at 0-5°C

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):1793-939.

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)-4-methoxy-D-phenylalanine?

The CAS number of N-(tert-Butoxycarbonyl)-4-methoxy-D-phenylalanine is 68856-96-2.

What are the molecular formula and molecular weight of N-(tert-Butoxycarbonyl)-4-methoxy-D-phenylalanine?

N-(tert-Butoxycarbonyl)-4-methoxy-D-phenylalanine has molecular formula C15H21NO5 and molecular weight 295.331 g/mol.

What are the upstream and downstream products of N-(tert-Butoxycarbonyl)-4-methoxy-D-phenylalanine?

For N-(tert-Butoxycarbonyl)-4-methoxy-D-phenylalanine, Upstream Products: Di-tert-butyl dicarbonate, D-Tyrosine, Boc-D-tyrosine methyl ester.

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)-4-methoxy-D-phenylalanine (CAS 68856-96-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454874-4 (accessed 2026-11-09).

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