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Methyl (2S)-2-amino-3,3-dimethylbutanoate

Also known as: L-tert-Leucine methyl ester, Methyl 3-methyl-L-valinate, (S)-Methyl 2-amino-3,3-dimethylbutanoate, (S)-2-Amino-3,3-dimethylbutyric acid methyl ester, H-Tle-OMe, Methyl (S)-2-Amino-3,3-dimethylbutyrate, L-Valine, 3-methyl-, methyl ester, tert-Butylglycine methyl ester, Methyl L-tert-leucinate

Methyl (2S)-2-amino-3,3-dimethylbutanoate (CAS 63038-26-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H15NO2 and a molecular weight of 145.199 g/mol. Key properties include a boiling point of 163.1±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 37.0±17.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63038-26-6
Jingsj CID
J-1976803-7
Molecular Formula
C7H15NO2
Molecular Weight
145.199 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point163.1±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point37.0±17.4 °C
Exact Mass145.110275
PSA52.32000
LogP0.74
Vapor Pressure2.1±0.3 mmHg at 25°C
Refractive Index1.437

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 Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl (2S)-2-amino-3,3-dimethylbutanoate?

The CAS number of Methyl (2S)-2-amino-3,3-dimethylbutanoate is 63038-26-6.

What are the molecular formula and molecular weight of Methyl (2S)-2-amino-3,3-dimethylbutanoate?

Methyl (2S)-2-amino-3,3-dimethylbutanoate has molecular formula C7H15NO2 and molecular weight 145.199 g/mol.

What are the upstream and downstream products of Methyl (2S)-2-amino-3,3-dimethylbutanoate?

For Methyl (2S)-2-amino-3,3-dimethylbutanoate, Upstream Products: L-tert-Leucine, Trimethylacetaldehyde, N-Benzyloxycarbonyl-L-tert-leucine; Downstream Products: L-tert-Leucine.

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

Last updated:

How to cite: Jingsj. "Methyl (2S)-2-amino-3,3-dimethylbutanoate (CAS 63038-26-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1976803-7 (accessed 2026-11-09).

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