Pectinose
D(-)-Arabinose
CAS: 10323-20-3;28697-53-2
Molecular Formula: C5H10O5
Pectinose - Names and Identifiers
| Name | D(-)-Arabinose |
| Synonyms | DGumsugar pectinose D-Arabinose Pectin sugar Arabinose(D) D(-)-Arabinose D-(-)-Arabinose D-arabinopyranose beta-D-(-)-Arabinose D-Arabinose-1,2-13C2 d-[1,3-13C2]arabinose d-[1,5-13C2]arabinose beta-L-arabinopyranose beta-D-arabinopyranose alpha-D-arabinopyranose .beta.-D-Arabinopyranose D(-)-Gum sugar D(-)-Pectinose (2S,3R,4R)-2,3,4,5-tetrahydroxypentanal |
| CAS | 10323-20-3 28697-53-2 |
| EINECS | 233-708-5 |
| InChI | InChI=1/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2/t2-,3-,4+,5-/m0/s1 |
| InChIKey | SRBFZHDQGSBBOR-ZRMNMSDTSA-N |
Pectinose - Physico-chemical Properties
| Molecular Formula | C5H10O5 |
| Molar Mass | 150.13 |
| Density | 1.1897 (rough estimate) |
| Melting Point | 156-160°C |
| Boling Point | 191.65°C (rough estimate) |
| Specific Rotation(α) | -104 ° (C=10, H2O) |
| Flash Point | 155.3°C |
| Water Solubility | Soluble in water. |
| Solubility | Soluble in water, slightly soluble in alcohol, insoluble in ether, methanol and acetone. |
| Vapor Presure | 9.92E-06mmHg at 25°C |
| Appearance | White crystal |
| Color | White powder |
| Odor | Odorless |
| BRN | 1723079 |
| pKa | pK1: 12.34 (25°C) |
| Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
| Refractive Index | -104 ° (C=10, H2O) |
| MDL | MFCD00135608 |
| Physical and Chemical Properties | alpha:-103.5 o (c=4, H2O, 24hrs.) |
| Use | Used as a sweetener |
Pectinose - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| HS Code | 29400000 |
Pectinose - Reference
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[IF=3.24] Jun Mu et al."Microbial origin of bioflocculation components within a promising natural bioflocculant resource of Ruditapes philippinarum conglutination mud from an aquaculture farm in Zhoushan, China."Plos One. 2019 Jun;14(6):e0217679 55. [IF=2.629] Dai Yu-Lin et al."Low Molecular Weight Oligosaccharide from Panax ginseng C.A. Meyer against UV-Mediated Apoptosis and Inhibits Tyrosinase Activity In Vitro and In Vivo."Evid-Based Compl Alt. 2021;2021:8879836 56. [IF=2.19] Qingsong Zheng et al."Effects of different extraction methods on the structure, antioxidant activity, α-amylase, and α-glucosidase inhibitory activity of polysaccharides from Potentilla discolor Bunge."J Food Process Pres. 2021 Oct;45(10):e15826 57. [IF=3.24] Jun Mu et al.Ubiquitous flocculation activity and flocculation production basis of the conglutination mud from Ruditapes philippinarum along the coast of China.Plos One. 2021 Nov;16(11):e0256013 58. 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Pectinose - Introduction
This product is a biochemical synthetic product. Medium raw materials. D(-) arabinose is a reducing sugar, a pentose analog of D-ribose, a component of the mycobacterial cell wall arabinogalactan (arabinogalactans), and a substrate for the synthesis of D-red ascorbic acid (D-erythroascorbic acid) in yeast.
Last Update：2022-10-16 17:11:39
Pectinose - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| arabinose | arabinose is a five-carbon aldose prepared by hydrolysis of gum. It usually exists in a bound state in the body. It is a component of various gums, hemicelluloses, pectin substances and other polysaccharides and some glycosides. There are three kinds of optical isomers, mainly L-type, most of which have little difference in properties, white crystal, 1.585 relative density, melting point 155.5~156.5 ℃. Soluble in water and glycerin, insoluble in ethanol and ether. Used in medicine and as a medium. In addition to being prepared from the gum or cherry tree glue of the glabra tree, it can also be prepared by the action of calcium dextrogluconate and hydrogen peroxide. Yeast cannot ferment it. L-arabinose is a commonly used food additive, also known as pectose, L-arabinose and L-arabinose. Its appearance is orthogonal prismatic crystal at normal temperature. Melting point 159.5 ℃; Density α-D204 1.585,β-D4201.625; Optical rotation [α]D20 +105 (C = 3, in water); Very soluble in water, slightly soluble in ethanol, insoluble in ethanol. It can be obtained by local hydrolysis of mesprite gum. Or use 4% acetic acid to treat the crushed corn cob at 100 ℃ for 2 hours, separate and wash with water, then use 1% H2SO4 to treat the cob at 100 ℃, concentrate the hydrolysate, separate, and use charcoal under vacuum. Treatment, remove minerals through ion exchange, that is, 5 ~ 5.5% L-arabinose. |
| use | as a pharmaceutical intermediate and biochemical reagent. Used as a sweetener D-(-)-arabinose is a reducing sugar, which is a pentose analog of D-ribose, which is composed of mycobacterial cell wall arabinogalactan (arabinogalactans) is also a substrate for the synthesis of D-red ascorbic acid (D-erythroascorbic acid) in yeast. D-arabinose is a reducing sugar, it is a pentose analog of D-ribose, a component of mycobacterial cell wall arabinogalactan, and a substrate for D-red anti-cyclic blood acid synthesis in yeast; used to shield heavy metal pollution |
| production method | is obtained by degradation and oxidation of calcium gluconate. Heat and dissolve calcium gluconate and water together, and add an iron catalyst mixed with barium acetate solution and ferric sulfate solution. Stir and raise the temperature to 95 ℃, and filter out the precipitation. The clear liquid was oxidized by adding hydrogen peroxide at 40 ℃, the reaction temperature did not exceed 56 ℃, and the reaction lasted for half an hour. After the reaction liquid turns black, let it stand for half an hour, cool to 40 ℃, add hydrogen peroxide, and oxidize according to the above method. Add oxalic acid after half an hour, filter, and remove calcium oxalate. Concentrate the filtrate in vacuum to syrup at a temperature not exceeding 48°C. Add anhydrous methanol to dissolve, cool and crystallize, and filter. The filter cake is washed with methanol and dried to a crude product. The crude product was recrystallized with methanol to obtain D(-)-gum aldose. Another preparation method is to oxidize calcium gluconate and iron gluconate with hydrogen peroxide, and the reactant is filtered with a strong acid styrene cation exchange resin and a strong alkaline quaternary ammonium I type anion exchange resin to obtain the finished product. |
Last Update：2024-04-09 20:52:54
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Multiple Specifications
Product Name: Xylose Impurity 51 Request for quotationCAS: 10323-20-3
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
Multiple SpecificationsSpot supply
Product Name: D-(-)-Arabinose Visit Supplier Webpage Request for quotationCAS: 10323-20-3
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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