Other Trading Names:

  • L-Threonine

CAS Number: 72-19-5

HS Code: 2922509020

Types of Packaging:

  • 25kg/bag
Inquiry right-arrow $100.00
Availability: In stock

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Chemical Name




Molecular Formula


CAS Number



White powder

Grade Standard

Food Grade, Feed Grade


Soluble in water, slightly soluble in alcohol

Melting Point

256 ºC

Boiling Point

222.38 ºC


1.3126 g/cm3

Chemical Description 

  • L-Threonine, symbolized as Thr or T, is an essential amino acid that is crucial for protein synthesis in the human body. It is characterized by its white crystalline appearance and excellent solubility in water. L-Threonine plays a significant role in various biological functions including immune system enhancement, fat metabolism, and nutrient absorption.
  • In the animal feed industry, L-Threonine is added to livestock diets to promote healthy growth and improve the nutritional quality of meat. It aids in the optimal utilization of other amino acids and reduces the need for protein-rich feeds, thus lowering feed costs.
  • The pharmaceutical industry values L-Threonine for its therapeutic properties, including its role in supporting gut health, boosting immunity, and serving as a key component in parenteral and enteral nutrition products.
  • L-Threonine is a popular ingredient in dietary supplements aimed at athletes and individuals seeking to enhance their nutritional intake. It supports muscle growth, recovery, and energy levels during and after physical activities.
  • In the food industry, L-Threonine is utilized as a nutritional enhancer in various products to improve their amino acid profile. It is especially important in vegetarian and vegan diets to ensure a balanced intake of essential amino acids.
  • It also finds applications in the cosmetic industry, where it is used in skincare and hair care formulations for its moisturizing and conditioning properties.
  • Environmental and health considerations are key in the production and use of L-Threonine. It is recognized for its low toxicity and is considered safe for consumption in approved doses.
  • L-Threonine's versatility across different sectors highlights its importance in supporting health, nutrition, and industrial applications, making it a valuable addition to a wide range of products.
  • L-Threonine is explored for creating biocompatible materials for medical implants and drug delivery, due to its biodegradability and tissue compatibility.
  • It's used in research to modify enzymes and proteins for improved industrial processes, including pharmaceuticals and environmental bioremediation.
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