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L-tert-Leucine methyl ester hydrochloride

Also known as: H-Tle-OMe.HCl, Methyl (S)-2-amino-3,3-dimethylbutanoate hydrochloride, (S)-2-Amino-3,3-dimethylbutyric acid methyl ester hydrochloride, L-(+)-tert-Leucine methyl ester hydrochloride, L-(+)-Methyl tert-leucinate hydrochloride, L-Tle-OMe·HCl, Methyl L-2-amino-3,3-dimethylbutanoate hydrochloride, L-Valine, 3-methyl-, methyl ester, hydrochloride (1:1)

L-tert-Leucine methyl ester hydrochloride (CAS 63038-27-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H16ClNO2 and a molecular weight of 181.660 g/mol. Key properties include a melting point of 183-186 °C and a boiling point of 206.8ºC at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63038-27-7
Jingsj CID
J-19315-7
Molecular Formula
C7H16ClNO2
Molecular Weight
181.660 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point183-186 °C
Boiling Point206.8ºC at 760 mmHg
Exact Mass181.086960
PSA52.32000
LogP2.03510
Refractive Index16.5 ° (C=1, MeOH)

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 L-tert-Leucine methyl ester hydrochloride?

The CAS number of L-tert-Leucine methyl ester hydrochloride is 63038-27-7.

What are the molecular formula and molecular weight of L-tert-Leucine methyl ester hydrochloride?

L-tert-Leucine methyl ester hydrochloride has molecular formula C7H16ClNO2 and molecular weight 181.660 g/mol.

What are the upstream and downstream products of L-tert-Leucine methyl ester hydrochloride?

For L-tert-Leucine methyl ester hydrochloride, Upstream Products: Methanol, L-tert-Leucine hydrochloride, L-tert-Leucine; Downstream Products: N-(3,3-Dimethylbutyl)-3-methyl-L-valine methyl ester, (2S)-2-[[(2S)-2-cyclohexyl-2-(pyrazine-2-carbonylamino)acetyl]amino]-3,3-dimethylbutanoic acid, (1S,3aR,6aS)-2-((S)-2-((S)-2-cyclohexyl-2-(pyrazine-2-carboxamido)acetamido)-3,3-dimethylbutanoyl)octahydrocyclopenta[c]pyrrole-1-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "L-tert-Leucine methyl ester hydrochloride (CAS 63038-27-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19315-7 (accessed 2026-11-09).

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