China Largest Manufacturer factory sales D-Threonine CAS 632-20-2

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D-Threonine Basic information Product Name: D-Threonine Synonyms: D-ALPHA-AMINO-BETA-HYDROXYBUTYRIC ACID;D-2-AMINO-3-HYDROXYBUTANOIC ACID;D-2-AMINO-3-HYDROXYBUTYRIC ACID;H-D-THR-OH;D-Threonine,(2R,3S)-2-Amino-3-hydroxybutyric acid, D-α-Amino-β-hydroxybutyric acid;(2R,3S)-(+)-Threonine;D-β-Hydroxy-2-aMinobutyric acid;D-Threonine (D-2-AMino-3-hydroxybutanoic acid) CAS: 632-20-2 MF: C4H9NO3 MW: 119.12 EINECS: 211-171-8 Product Categories: amino;amino acid;Threonine [Thr, T];Amino Acids and Derivatives;alpha-Amino Acids;Amino Acids;Amino ACIDS SERIES;Miscellaneous;PROTECTED AMINO ACID & PEPTIDES;Biochemistry;Amino Acids Mol File: 632-20-2.mol   D-Threonine Chemical Properties Melting point  274 °C alpha  28 º (c=6, water) Boiling point  222.38°C (rough estimate) density  1.3126 (rough estimate) refractive index  28 ° (C=3, H2O) storage temp.  Keep in dark place,Inert atmosphere,Room temperature solubility  H2O: soluble pka 2.19±0.10(Predicted) form  Crystals or Crystalline Powder color  White Water Solubility  soluble Merck  9380 BRN  1721643 InChIKey AYFVYJQAPQTCCC-STHAYSLISA-N CAS DataBase Reference 632-20-2(CAS DataBase Reference)   Safety Information Hazard Codes  Xi Risk Statements  36/37/38 Safety Statements  24/25-37/39-26 WGK Germany  3 RTECS  XO8580000 HS Code  29225000 MSDS Information Provider Language ACROS English SigmaAldrich English ALFA English   D-Threonine Usage And Synthesis Description D-threonine is the D-form of threonine, which is a kind of amino acids. It can be used for the preparation of enantiomerically pure 1, 3-butanediol. It is also used as the intermediate during the preparation of chiral compounds such as antibiotics. D-threonine is an effective chiral pool reagent which contains an extra stereo-center. For example, people has recently used it as the starting material for total synthesis of protected legionaminic acid. Chemical Properties white crystalline powder or crystals Uses D-Threonine is the unnatural isomer of L-Threonine (T405500) and is known to inhibit growth and cell wall synthesis of Mycobacterium smegmatis. D-Threonine is also used as a synthetic intermediate for the production of chiral antibiotics. Uses A steroisomer of the proteinogenic amino acid L-threonine. Definition ChEBI: D-threonine is an optically active form of threonine having D-configuration. It has a role as a Saccharomyces cerevisiae metabolite. It is a threonine and a D-alpha-amino acid. It is a conjugate base of a D-threoninium. It is a conjugate acid of a D-threoninate. It is an enantiomer of a L-threonine. It is a tautomer of a D-threonine zwitterion. General Description D-Threonine is sweet and toxic in nature.It acts as an inhibitor of L-threonine dehydratase. References # Ikemi, Masahisa, et al. "D-Threonine Aldolase and Its Application to D -β-Hydroxy-£-Amino Acid Synthesis." (1992). Paek SM, et al. "Recent Advances in Substrate-Controlled Asymmetric Induction Derived from Chiral Pool α-Amino Acids for Natural Product Synthesis." Molecules 21.7(2016):951.   D-Threonine Preparation Products And Raw materials Raw materials Chloroacetyl chloride-->DL-Threonine-->Aminoacylase Preparation Products L-Isoleucine-->Cefbuperazone

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Leader Biochemical Group is a large leader incorporated industry manufacturers and suppliers of advanced refined raw materials From the year of 1996 when our factory was put into production to year of 2020, our group has successively invested in more than 52 factories with shares and subordinates.We focus on manufacture Pharm & chemicals, functional active ingredients, nutritional Ingredients, health care products, cosmetics, pharmaceutical and refined feed, oil, natural plant ingredients industries to provide top quality of GMP standards products.All the invested factories' product lines cover API and intermediates, vitamins, amino acids, plant extracts, daily chemical products, cosmetics raw materials, nutrition and health care products, food additives, feed additives, essential oil products, fine chemical products and agricultural chemical raw materials And flavors and fragrances. Especially in the field of vitamins, amino acids, pharmaceutical raw materials and cosmetic raw materials, we have more than 20 years of production and sales experience. All products meet the requirements of high international export standards and have been recognized by customers all over the world. Our manufacture basement & R&D center located in National Aerospace Economic & Technical Development Zone Xi`an Shaanxi China. Now not only relying on self-cultivation and development as well as maintains good cooperative relations with many famous research institutes and universities in China. Now, we have closely cooperation with Shanghai Institute of Organic Chemistry of Chinese Academy of Science, Beijing Institute of Material Medical of Chinese Academy of Medical Science, China Pharmaceutical University, Zhejiang University. Closely cooperation with them not only integrating Science and technology resources, but also increasing the R&D speed and improving our R&D power. Offering Powerful Tech supporting Platform for group development. Keep serve the manufacture and the market as the R&D central task, focus on the technical research.  Now there are 3 technology R & D platforms including biological extract, microorganism fermentation and chemical synthesis, and can independently research and develop kinds of difficult APIs and pharmaceutical intermediates. With the strong support of China State Institute of Pharmaceutical Industry (hereinafter short for CSIPI), earlier known as Shanghai Institute of Pharmaceutical Industry (SIPI), we have unique advantages in the R & D and industrialization of high-grade, precision and advanced products.  Now our Group technical force is abundant, existing staff more that 1000 people, senior professional and technical staff accounted for more than 50% of the total number of employees, including 15 PhD research and development personnel, 5 master′ S degree in technical and management personnel 9 people. We have advanced equipment like fermentation equipment and technology also extraction, isolation, purification, synthesis with rich production experience and strict quality control system, According to the GMP required, quickly transforming the R&D results to industrial production in time, it is our advantages and our products are exported to North and South America, Europe, Middle East, Africa, and other five continents and scale the forefront in the nation, won good international reputation.  We believe only good quality can bring good cooperation, quality is our key spirit during our production, we are warmly welcome clients and partner from all over the world contact us for everlasting cooperation, Leader will be your strong, sincere and reliable partner in China.

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