Ac-Asp(OtBu)-OH

(S)-2-乙酰氨基-4-叔丁氧基-4-氧代丁酸

Also known as: (2S)-2-AcetaMido-4-[(2-Methyl-2-propanyl)oxy]-4-oxobutanoic acid, (2S)-2-Acetamido-4-[(2-methyl-2-propanyl)oxy]-4-oxobutanoic acid, (S)-2-AcetaMido-4-(tert-butoxy)-4-oxobutanoic acid, AC-ASP(OTBU)-OH, AC-ASPARTIC ACID(OTBU)-OH, ACETYL-L-ASPARTIC ACID BETA-T-BUTYL ESTER, Ac-Asp(O-t-Bu)-OH, Acetyl-L-aspartic acid beta-tert-butyl ester, L-Aspartic acid, N-acetyl-, 4-(1,1-dimethylethyl) ester, N-ALPHA-ACETYL-L-ASPARTIC ACID BETA-T-BUTYL ESTER, N-Ac-Asp(OtBu)-OH, N-Acetyl-L-aspartic acid 4-tert-butyl ester, ac-asp(otbu)-oh

Ac-Asp(OtBu)-OH (CAS 117833-18-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H17NO5 and a molecular weight of 231.246 g/mol. It is also known as (2S)-2-AcetaMido-4-[(2-Methyl-2-propanyl)oxy]-4-oxobutanoic acid, (2S)-2-Acetamido-4-[(2-methyl-2-propanyl)oxy]-4-oxobutanoic acid and (S)-2-AcetaMido-4-(tert-butoxy)-4-oxobutanoic acid. Key properties include a boiling point of 449.6±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 225.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
117833-18-8
Jingsj CID
J-90081-8
Molecular Formula
C10H17NO5
Chinese Name
(S)-2-乙酰氨基-4-叔丁氧基-4-氧代丁酸
Molecular Weight
231.246 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point449.6±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point225.7±27.3 °C

Frequently Asked Questions

What is the CAS number of Ac-Asp(OtBu)-OH?

The CAS number of Ac-Asp(OtBu)-OH is 117833-18-8.

What are the molecular formula and molecular weight of Ac-Asp(OtBu)-OH?

Ac-Asp(OtBu)-OH has molecular formula C10H17NO5 and molecular weight 231.246 g/mol.

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

Last updated:

How to cite: Jingsj. "Ac-Asp(OtBu)-OH (CAS 117833-18-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-90081-8 (accessed 2026-10-22).

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