Boc-Tyr(Et)-OH

N-叔丁氧羰基-O-乙基-L-酪氨酸

Also known as: Boc-Tyr-OEt, Boc-O-ethyl-L-tyrosine, (S)-2-((tert-butoxycarbonyl)amino)-3-(4-ethoxyphenyl)propanoic acid, (2S)-3-(4-ethoxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, (2S)-3-(4-ethoxyphenyl)-2-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]propanoic acid, Boc-Tyrosine(Et)-OH, Boc-L-Tyr(Et), N-(tert-butoxycarbonyl)-O-ethyltyrosine, N-alpha-t-Boc-O-ethyl-L-tyrosine, N-alpha-t-butoxycarbonyl-O-ethyl-L-tyrosine, t-Boc-L-tyrosine ethyl ether, MFCD00065601

Boc-Tyr(Et)-OH (CAS 76757-91-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H23NO5 and a molecular weight of 309.35800 g/mol. It is also known as Boc-Tyr-OEt, Boc-O-ethyl-L-tyrosine and (S)-2-((tert-butoxycarbonyl)amino)-3-(4-ethoxyphenyl)propanoic acid. Key properties include a boiling point of 472.7ºC at 760 mmHg, a density of 1.149g/cm3 and a flash point of 239.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76757-91-0
Jingsj CID
J-31739-3
Molecular Formula
C16H23NO5
Chinese Name
N-叔丁氧羰基-O-乙基-L-酪氨酸
Molecular Weight
309.35800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point472.7ºC at 760 mmHg
Density1.149g/cm3
Flash Point239.7ºC
Exact Mass309.15800
PSA84.86000
LogP2.99660
Refractive Index1.519

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 Code2924299090
Summary2924299090. 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 Boc-Tyr(Et)-OH?

The CAS number of Boc-Tyr(Et)-OH is 76757-91-0.

What are the molecular formula and molecular weight of Boc-Tyr(Et)-OH?

Boc-Tyr(Et)-OH has molecular formula C16H23NO5 and molecular weight 309.35800 g/mol.

What are the upstream and downstream products of Boc-Tyr(Et)-OH?

For Boc-Tyr(Et)-OH, Upstream Products: Diethyl sulfate, N-(tert-Butoxycarbonyl)-L-tyrosine, Di-tert-butyl dicarbonate; Downstream Products: O-Ethyl-L-tyrosine.

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

Last updated:

How to cite: Jingsj. "Boc-Tyr(Et)-OH (CAS 76757-91-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31739-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.