Boc-O-tert-butyl-L-tyrosine

Boc-O-叔丁基-L-酪氨酸

Also known as: Boc-Tyr(But)-OH, Boc-Tyr(Tbu)-OH, N-(tert-Butoxycarbonyl)-O-tert-butyl-L-tyrosine, O-(2-Methyl-2-propanyl)-N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-tyrosine, L-Tyrosine, N-[(1,1-dimethylethoxy)carbonyl]-O-(1,1-dimethylethyl)-, MFCD00065598

Boc-O-tert-butyl-L-tyrosine (CAS 47375-34-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H27NO5 and a molecular weight of 337.411 g/mol. It is also known as Boc-Tyr(But)-OH, Boc-Tyr(Tbu)-OH and N-(tert-Butoxycarbonyl)-O-tert-butyl-L-tyrosine. Key properties include a melting point of 113-118 °C, a boiling point of 484.0±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 246.5±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 47375-34-8
Jingsj CID: J-1991205-7
Molecular Formula: C₁₈H₂₇NO₅
Chinese Name: Boc-O-叔丁基-L-酪氨酸
Molecular Weight: 337.411 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	113-118 °C
Boiling Point	484.0±40.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	246.5±27.3 °C

Frequently Asked Questions

What is the CAS number of Boc-O-tert-butyl-L-tyrosine?

The CAS number of Boc-O-tert-butyl-L-tyrosine is 47375-34-8.

What are the molecular formula and molecular weight of Boc-O-tert-butyl-L-tyrosine?

Boc-O-tert-butyl-L-tyrosine has molecular formula C18H27NO5 and molecular weight 337.411 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Boc-O-tert-butyl-L-tyrosine (CAS 47375-34-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991205-7 (accessed 2026-10-25).

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