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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.

Product information

2-Deoxy-D-ribose Basic information Product Name: 2-Deoxy-D-ribose Synonyms: D-.alpha.-Ribodesose;Deoxyribose;D-Ribose, 2-deoxy-;2-deoxy-d-erythro-pentos;2-Deoxypentose;2-Desoxy ribosoe;D-(-)-2-DEOXYRIBOSE;D-2-DEOXYRIBOSE CAS: 533-67-5 MF: C5H10O4 MW: 134.13 EINECS: 208-573-0 Product Categories: FINE Chemical & INTERMEDIATES;Pharmaceutical Raw Materials;13C & 2H Sugars;Riboses and 2'-Deoxyriboses;Biochemistry;Deoxysugars;Nucleosides, Nucleotides & Related Reagents;Ribose;Sugars;Dextrins、Sugar & Carbohydrates;aldehydes;Carbohydrates & Derivatives;nucleoside Mol File: 533-67-5.mol   2-Deoxy-D-ribose Chemical Properties Melting point  89-90 °C(lit.) alpha  -57 º (c=1, H2O, 24hr) Boiling point  167.23°C (rough estimate) density  1.0590 (rough estimate) refractive index  -56 ° (C=1, H2O) storage temp.  Keep in dark place,Inert atmosphere,Room temperature solubility  DMSO (Slightly), Methanol (Slightly), Water (Slightly, Sonicated) form  Crystalline Powder pka 12.61(at 25℃) color  White to slightly yellow optical activity [α]22/D 59°, c = 1 in H2O Water Solubility  soluble Sensitive  Hygroscopic Merck  14,2908 BRN  1721978 Stability: Hygroscopic InChIKey ASJSAQIRZKANQN-CRCLSJGQSA-N CAS DataBase Reference 533-67-5(CAS DataBase Reference) NIST Chemistry Reference D-Erythro-pentose, 2-deoxy-(533-67-5) EPA Substance Registry System D-erythro-Pentose, 2-deoxy- (533-67-5)   Safety Information Hazard Codes  Xn,Xi Risk Statements  20/21/22-36/37/38 Safety Statements  24/25-37/39-36-26 WGK Germany  3 RTECS  SB7230000 F  3-10 TSCA  Yes HS Code  29400000 MSDS Information Provider Language 2-Deoxy-D-arabinose English ACROS English SigmaAldrich English ALFA English   2-Deoxy-D-ribose Usage And Synthesis Description 2-deoxy-D-Ribose is a reducing sugar formed as a degradation product during metabolism of thymidine (Item No. 20519) by thymidine phosphorylase. It increases levels of reactive oxygen species (ROS) in HL-60 human leukemia cells when used at a concentration of 15 mM. 2-deoxy-D-Ribose (10 μM) induces tubulogenesis and migration of bovine aortic endothelial (BAE) cells. Topical administration of 2-deoxy-D-ribose increases blood vessel formation and accelerates wound healing in a rat full-thickness cutaneous wound model. Chemical Properties White powder Uses 2-Deoxy-D-ribose induces apoptosis by inhibiting the synthesis and increasing the efflux of glutathione. Uses 2-Deoxy-D-ribose is used as a precursor to deoxyribonucleic acid. It induces apoptosis by inhibiting the synthesis and increasing the efflux of glutathione. Further, it is used in the synthesis of optically active dipyrrolyl alkanols from pyrroles on the surface of montmorillonite KSF clay. Definition ChEBI: A deoxypentose that is D-ribose in which the hydroxy group at position C-2 is replaced by hydrogen. Purification Methods Dissolve 2-deoxy--D-ribose in a little H2O, evaporate to a syrup (in a vacuum), and seed to crystallise. Triturate the crystals with a little EtOAc containing 5% MeOH, decant and dry in vacuum over P2O5. It is best purified via the anilide which separates from a mixture of the ribose (100-125g) in MeOH (100mL) and redistilled aniline (40mL) in a few minutes. After standing for 20hours at room temperature, it is cooled to 0o, filtered, washed with 50% aqueous MeOH and Et2O followed by recrystallisation from ethylene glycol monomethyl ether. The anilide has m 172-173o, [ ] D 25 +46o (equilibrium in pyridine). The anilide (5g), benzaldehyde (5mL) and benzoic acid (0.5g) in H2O (150mL) are shaken mechanically for 2024hours. The aqueous phase is extracted with Et2O (3x), decolourised with a little charcoal and evaporated in a vacuum to a syrup. This is dried over P2O5 in high vacuum. The syrupy sugar weighs 3.1g and crystallises in a few days, but more rapidly on seeding. Triturate it with a little EtOAc containing 5% MeOH, decant and dry it over P2O5. At this stage it has m 78-82o, [ ] D 25 -57o (c 1, H2O final). This is a mixture of and anomers. Pure -anomer is obtained by recrystallisation from EtOAc The -anomer when recrystallised from EtOAc and isoPrOH has m 96-98o, [ ] D 25 -55o (c 0.5, H2O final). [Sowden Biochemical Preparations 5 75 1957.] The mutarotation is as follows: [] D 20.5 +96.3o(0minutes), -76o(33minutes), -56o (24hours) (c 5.8 MeOH). It is moderately hygroscopic and should be kept in a well stoppered bottle. It also crystallises from diethyl ether. [Deriaz et al. J Chem Soc 1879 1949, Beilstein 1 IV 4181, Hauske & Rapoport J Org Chem 4 4 2472 1979.]   2-Deoxy-D-ribose Preparation Products And Raw materials Preparation Products 3',5'-di-o-p-chlorobenzoyl-2-deoxy-5-azacytosine