Boc-Asp-OtBu

Also known as: N-(tert-Butoxycarbonyl)-L-aspartic acid 1-tert-butyl ester, Boc-L-Aspartic acid 1-tert-butyl ester, N-Boc-L-aspartic acid 1-tert-butyl ester, 1-tert-Butyl N-(tert-Butoxycarbonyl)-L-aspartate, 1-tert-Butyl N-Boc-L-aspartate, (2S)-2-(tert-Butoxycarbonylamino)succinic acid 1-tert-butyl ester, (3S)-4-tert-Butoxy-3-[(tert-butoxycarbonyl)amino]-4-oxobutanoic acid, Boc-L-Asp-OtBu, MFCD00038272

Boc-Asp-OtBu (CAS 34582-32-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H23NO6 and a molecular weight of 289.325 g/mol. Key properties include a melting point of 101-103?C, a boiling point of 429.0±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 213.3±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 34582-32-6
Jingsj CID: J-23027-3
Molecular Formula: C₁₃H₂₃NO₆
Molecular Weight: 289.325 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	101-103?C
Boiling Point	429.0±40.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	213.3±27.3 °C
Exact Mass	289.152527
PSA	101.93000
LogP	2.72
Vapor Pressure	0.0±2.2 mmHg at 25°C
Refractive Index	1.470

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.

Frequently Asked Questions

What is the CAS number of Boc-Asp-OtBu?

The CAS number of Boc-Asp-OtBu is 34582-32-6.

What are the molecular formula and molecular weight of Boc-Asp-OtBu?

Boc-Asp-OtBu has molecular formula C13H23NO6 and molecular weight 289.325 g/mol.

What are the upstream and downstream products of Boc-Asp-OtBu?

For Boc-Asp-OtBu, Upstream Products: Boc-L-aspartic acid 4-benzyl ester, Di-tert-butyl dicarbonate, Boc-L-aspartic acid 4-methyl ester; Downstream Products: tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate.

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. "Boc-Asp-OtBu (CAS 34582-32-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23027-3 (accessed 2026-11-09).

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