Glycyl-DL-phenylalanine

Also known as: H-Gly-DL-Phe-OH, GLY-DL-PHE, GLYCYL-DL-PHENYLALANINE, N-Glycyl-DL-B-phenylalanine, rac-(R*)-N-(Glycyl)-2-benzylglycine, rac-(R*)-N-Glycyl-2-benzylglycine, rac-(R*)-α-(Glycylamino)benzenepropionic acid, 2-(glycylamino)-3-phenyl-propionic acid, Glycylphenylalanine, N-glycyl-3-phenyl-DL-alanine, N-glycyl-DL-phenylalanine, N-glycyl-phenylalanine

Glycyl-DL-phenylalanine (CAS 721-66-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H14N2O3 and a molecular weight of 222.24000 g/mol. Key properties include a melting point of 273-275℃ (Decomposition), a boiling point of 492.2ºC at 760 mmHg, a density of 1.259 g/cm3 and a flash point of 251.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 721-66-4
Jingsj CID: J-31584-4
Molecular Formula: C₁₁H₁₄N₂O₃
Molecular Weight: 222.24000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	273-275℃ (Decomposition)
Boiling Point	492.2ºC at 760 mmHg
Density	1.259 g/cm3
Flash Point	251.5ºC
Exact Mass	222.10000
PSA	92.42000
LogP	0.84840

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):1793-807.

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic 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-phenylalanine?

The CAS number of Glycyl-DL-phenylalanine is 721-66-4.

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

Glycyl-DL-phenylalanine has molecular formula C11H14N2O3 and molecular weight 222.24000 g/mol.

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

For Glycyl-DL-phenylalanine, Upstream Products: N-Chloroacetyl-DL-phenylalanine, DL-Phenylalanine, 2-Mercapto-5-thiazolidone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Glycyl-DL-phenylalanine (CAS 721-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31584-4 (accessed 2026-11-09).

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