L-Glutamic acid 1-tert-butyl ester

L-谷氨酸1-叔丁酯

Also known as: H-Glu-OtBu, H-Glu(OtBu), 1-tert-Butyl L-glutamate, (S)-4-Amino-5-(tert-butoxy)-5-oxopentanoic acid, (4S)-4-Amino-5-tert-butoxy-5-oxopentanoic acid, L-Glutamic acid α-tert-butyl ester, L-Glutamic acid, 1-(1,1-dimethylethyl) ester

L-Glutamic acid 1-tert-butyl ester (CAS 45120-30-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H17NO4 and a molecular weight of 203.236 g/mol. It is also known as H-Glu-OtBu, H-Glu(OtBu) and 1-tert-Butyl L-glutamate. Key properties include a melting point of 140ºC, a boiling point of 326.8±32.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 151.5±25.1 °C. It is listed by 1 supplier(s); request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
45120-30-7
Jingsj CID
J-13319-7
Molecular Formula
C9H17NO4
Chinese Name
L-谷氨酸1-叔丁酯
Molecular Weight
203.236 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point140ºC
Boiling Point326.8±32.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point151.5±25.1 °C

Frequently Asked Questions

What is the CAS number of L-Glutamic acid 1-tert-butyl ester?

The CAS number of L-Glutamic acid 1-tert-butyl ester is 45120-30-7.

What are the molecular formula and molecular weight of L-Glutamic acid 1-tert-butyl ester?

L-Glutamic acid 1-tert-butyl ester has molecular formula C9H17NO4 and molecular weight 203.236 g/mol.

Which suppliers offer L-Glutamic acid 1-tert-butyl ester?

1 supplier(s) listed; request a quote for pricing.

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

Last updated:

How to cite: Jingsj. "L-Glutamic acid 1-tert-butyl ester (CAS 45120-30-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13319-7 (accessed 2026-10-22).

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