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Glycyl-DL-leucine

Also known as: 2-(2-Aminoacetamido)-4-methylpentanoic acid, 2-[(2-aminoacetyl)amino]-4-methylpentanoic acid, Glycyl-DL-leucine, Glycyl-leucine, Glycylleucine, H-Gly-DL-Leu-OH, Gly-Leu, GLY-DL-LEU, GLYCYL-DL-LEUCINE, N-glycyl-DL-leucine, rac-(R*)-N-(Glycyl)-2-isobutylglycine, Glycyl-(RS)-leucine, LABOTEST-BB LT00054206

Glycyl-DL-leucine (CAS 688-14-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H16N2O3 and a molecular weight of 188.224 g/mol. Key properties include a melting point of 242℃ (Decomposition), a boiling point of 410.4±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 202.0±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
688-14-2
Jingsj CID
J-23159-4
Molecular Formula
C8H16N2O3
Molecular Weight
188.224 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point242℃ (Decomposition)
Boiling Point410.4±30.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point202.0±24.6 °C
Exact Mass188.116089
PSA92.42000
LogP-0.09
Vapor Pressure0.0±2.1 mmHg at 25°C
Refractive Index1.489
Storage Conditions-15°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.

Customs & Trade Information

HS Code2924199090
Summary2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Glycyl-DL-leucine?

The CAS number of Glycyl-DL-leucine is 688-14-2.

What are the molecular formula and molecular weight of Glycyl-DL-leucine?

Glycyl-DL-leucine has molecular formula C8H16N2O3 and molecular weight 188.224 g/mol.

What are the upstream and downstream products of Glycyl-DL-leucine?

For Glycyl-DL-leucine, Upstream Products: DL-Leucine, DL-Leucyl-Glycyl-Glycine; Downstream Products: L-Leucine, Glycine, DL-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. "Glycyl-DL-leucine (CAS 688-14-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23159-4 (accessed 2026-11-09).

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