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Postion:Product Catalog >Biochemical Engineering>Amino Acids and proteins>L-Threonine
L-Threonine
  • L-Threonine
  • L-Threonine

L-Threonine

Price Get Latest Price
Package 1kg 10kg 25kg
Min. Order: 1kg
Supply Ability: 1000kg
Update Time: 2023-03-15

Product Details

Product Name: L-Threonine CAS No.: 72-19-5
EC-No.: 200-774-1 Min. Order: 1kg
Purity: 98%Min Supply Ability: 1000kg
Release date: 2023/03/15
MF:: C4H9NO3 MW:: 119.12
Appearance:: Yellow powder Contact:: Jessie@lychems.cn
L-Threonine Chemical Properties
Melting point 256 °C (dec.) (lit.)
alpha -28.4 º (c=6, H2O)
Boiling point 222.38°C (rough estimate)
density 1.3126 (rough estimate)
FEMA 4710 | L-THREONINE
refractive index -28 ° (C=6, H2O)
storage temp. 2-8°C
solubility H2O: 50 mg/mL
form powder
pka2.09(at 25℃)
color Yellow
PH5-6 (100g/l, H2O, 20℃)
optical activity[α]20/D 28.5±0.5°, c = 5% in H2O
Water Solubility 90 g/L (20 ºC)
JECFA Number2119
Merck 14,9380
BRN 1721646
Stability:Stable. Incompatible with strong oxidizing agents.
InChIKeyAYFVYJQAPQTCCC-GBXIJSLDSA-N
CAS DataBase Reference72-19-5(CAS DataBase Reference)
NIST Chemistry ReferenceThreonine(72-19-5)
EPA Substance Registry SystemL-Threonine (72-19-5)

1.Threonine is an important nutritional supplement which could fortify cereals, pastries, dairy products, restore the body as fatigue, and promote growth and development like tryptophan. Due to its structure contained threonine hydroxyl,which could held the water on human skin and combined with the oligosaccharide chains to protect cell membranes. Threonine plays an important role in the body, promoted phospholipid synthesis and fatty acid oxidation in the Medicine field as well.
2.For biochemical research, the pharmaceutical amino acids could be a nutritional medicine to cure anemia primarily.
3.Amino acid as medicines is mainly used in amino acid infusion, comprehensive amino acid preparations and food nutrition fortifier. Such as the lack of threonine can cause loss of appetite, weight loss, fatty liver, testicular atrophy, anterior pituitary cells, dyeing changes and bone development. Adverse reactions Contraindications: When an adult infusion 22.5g, can cause fever, headaches and other adverse reactions.
4.Nutritional supplements. To meet the need of cereal protein, L-lysine is the first, another is L-threonine. Even though the content of L-threonine is high, the binding between peptide and threonine is difficult to hydrolysis, and not easy to absorb and digest.
It is also could be used in preparation of amino acid infusion and comprehensive amino acid preparations.
5.One of the essential amino acids in human body, it can be used to improve nutrition and physical fitness.

Company Profile Introduction

LY Global Chemicals Co Ltd.. is a limited liability company specialized in technical research and development, production, development and trade of chemical products. Mainly engaged in the customization and sales of pharmaceutical intermediates, electronic materials, cosmetics raw materials and other fine chemicals. We have many years of export experience, and our customers are all over many countries. Our products are of good quality, competitive price, stable supply, and customers are very satisfied

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