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1-Methyl N-(tert-butoxycarbonyl)-L-aspartate

Also known as: Boc-Asp-OMe, N-Boc-L-aspartic acid 1-methyl ester, α-Methyl N-(tert-butoxycarbonyl)aspartate, N-(tert-Butoxycarbonyl)-L-aspartic acid 1-methyl ester, N-Boc aspartic acid α-methyl ester, L-Aspartic acid, N-[(1,1-dimethylethoxy)carbonyl]-, 1-methyl ester

1-Methyl N-(tert-butoxycarbonyl)-L-aspartate (CAS 98045-03-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H17NO6 and a molecular weight of 247.245 g/mol. Key properties include a melting point of 79-81°C, a boiling point of 407.1±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 200.0±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98045-03-5
Jingsj CID
J-1983697-6
Molecular Formula
C10H17NO6
Molecular Weight
247.245 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point79-81°C
Boiling Point407.1±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point200.0±27.3 °C
Exact Mass247.105591
PSA101.93000
LogP1.49
Vapor Pressure0.0±2.0 mmHg at 25°C
Refractive Index1.470
Storage Conditions2-8°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):1793-1144.

Frequently Asked Questions

What is the CAS number of 1-Methyl N-(tert-butoxycarbonyl)-L-aspartate?

The CAS number of 1-Methyl N-(tert-butoxycarbonyl)-L-aspartate is 98045-03-5.

What are the molecular formula and molecular weight of 1-Methyl N-(tert-butoxycarbonyl)-L-aspartate?

1-Methyl N-(tert-butoxycarbonyl)-L-aspartate has molecular formula C10H17NO6 and molecular weight 247.245 g/mol.

What are the upstream and downstream products of 1-Methyl N-(tert-butoxycarbonyl)-L-aspartate?

For 1-Methyl N-(tert-butoxycarbonyl)-L-aspartate, Downstream Products: (S)-Methyl 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:

How to cite: Jingsj. "1-Methyl N-(tert-butoxycarbonyl)-L-aspartate (CAS 98045-03-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1983697-6 (accessed 2026-11-09).

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