L-Arabinose; X-Gal (Solid Powder; CAS  5328-37-0

Product Details
Customization: Available
CAS No.: 5328-37-0
Formula: C5h10o5
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  • L-Arabinose; X-Gal (Solid Powder; CAS  5328-37-0
  • L-Arabinose; X-Gal (Solid Powder; CAS  5328-37-0
  • L-Arabinose; X-Gal (Solid Powder; CAS  5328-37-0
  • L-Arabinose; X-Gal (Solid Powder; CAS  5328-37-0
  • L-Arabinose; X-Gal (Solid Powder; CAS  5328-37-0
  • L-Arabinose; X-Gal (Solid Powder; CAS  5328-37-0
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Basic Info.

EINECS
226-214-6
Appearance
Powder
Type
Pharmaceutical Intermediates
Quality
Refined
Colour
White
Samples
Available
Purity
99%
Certificates
ISO9001/SGS
Package
1kg/5kg/10kg/25kg
Stocks
in Stock
Lead Time
5-7 Working Days
Shelf Life
2-3 Years
Site Audit
Available
Transport
Air/Express/Sea
MOQ
10g
Transport Package
Drum/Bottle/Bags
Trademark
Yunbang
Origin
China

Product Description

L-ARABINOSE;X-GAL (SOLID POWDER;CAS 5328-37-0
L-Arabinose; X-Gal (Solid Powder; CAS	5328-37-0
L-ARABINOSE Basic information
Product Name: L-ARABINOSE
Synonyms: X-GAL (SOLID POWDER;L-(+)-Arbinose Vetec(TM) reagent grade, >=99%;L-(+)-Arabinose Vetec(TM) reagent grade, >=99%;L-Arabinose Microbiological Grade≥ 99% (HPLC);L-ARA;FEMA 3255;L-ARABINOSE SYRUP 70%;L-ARABINOSE, POWDER
CAS: 5328-37-0
MF: C5H10O5
MW: 150.13
EINECS: 226-214-6
Product Categories: CarbohydrateMetabolomics;CarbohydratesCarbohydrates;Metabolic Pathways;Metabolites and Cofactors on the Metabolic Pathways Chart;Carbohydrates;Carbohydrates A to;Carbohydrates A-CBiochemicals and Reagents;Core Bioreagents;Metabolic Libraries;Monosaccharide;Carbohydrate Synthesis;Monosaccharides;MonosaccharideSpecialty Synthesis;Specialty Synthesis;CARBOHYDRATE;Arabinose;Basic Sugars (Mono & Oligosaccharides);Biochemistry;Sugars;Carbohydrate LibraryResearch Essentials;Biochemicals and Reagents;BioUltraBiochemicals and Reagents;Food Additives
Mol File: 5328-37-0.mol
 
 
L-ARABINOSE Chemical Properties
Melting point  160-163 °C(lit.)
alpha  104 º (C=6, IN WATER 23 ºC)
Boiling point  415.5±38.0 °C(Predicted)
density  1.508±0.06 g/cm3(Predicted)
FEMA  3255 | L-ARABINOSE
refractive index  104 ° (C=10, H2O)
storage temp.  room temp
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
pka 12.46±0.20(Predicted)
color  White crystalline
PH 6.5-7.0 (100g/l, H2O, 20ºC)
Odor Odorless
optical activity [α]20/D +104.0±2.0°, 24 hr, c = 10% in H2O
Water Solubility  almost transparency
λmax λ: 260 nm Amax: ≤0.05
λ: 280 nm Amax: ≤0.04
Merck  14,761
BRN  1723085
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey PYMYPHUHKUWMLA-VAYJURFESA-N
CAS DataBase Reference 5328-37-0(CAS DataBase Reference)
EPA Substance Registry System L-Arabinose (5328-37-0)
 
Safety Information
WGK Germany  3
3-10
HS Code  2940 00 00
 
 
L-ARABINOSE Usage And Synthesis
Chemical Properties white crystalline powder
Chemical Properties Arabinose is widely distributed in nature including Acacia and Larix species as a complex polysaccharide.
Occurrence For biosynthetic reasons, most saccharides are almost always more abundant in nature as the "D"-form, or structurally analogous to D-glyceraldehyde. However, L-arabinose is in fact more common than D-arabinose in nature and is found in nature as a component of biopolymers such as hemicellulose and pectin. L-Arabinose is widely distributed in nature including Acacia and Larix species as a complex polysaccharide.
Uses The L-arabinose operon, also known as the araBAD operon, has been the subject of much biomolecular research. The operon directs the catabolism of arabinose in E. coli, and it is dynamically activated in the presence of arabinose and the absence of glucose. 
In synthetic biology, arabinose is often used as a one-way or reversible switch for protein expression under the Pbad promoter in E. coli. This on-switch can be negated by the presence of glucose or reversed off by the addition of glucose in the culture medium which is a form of catabolite repression. L-Arabinose is an arabinose isomer widely found in nature, while D-arabinose is less common. L-Arabinose is a constituent of many biopolymers that make up plant cell walls.
This monosaccharide is often used in cell culture media, serving as a bacterial carbon source, and can be used to distinguish between bacteria based on their fermentation abilities.
L-Arabinose, in the absence of glucose, induces transcription of the ara operon in E. coli that encodes L-arabinose catabolizing enzymes. It does this by binding to the AraC protein and activating the PBAD promoter. The PBAD promoter is used in plasmid vectors as a switch for protein expression that can be turned on by L-arabinose or turned off by addition of glucose.
Definition l-enantiomers occur naturally. lArabinose is common in vegetable gums, especially arabic.
Preparation By partial hydrolysis of mesquite gum.
 
L-ARABINOSE Preparation Products And Raw materials
 
 
L-Arabinose; X-Gal (Solid Powder; CAS	5328-37-0
L-Arabinose; X-Gal (Solid Powder; CAS	5328-37-0L-Arabinose; X-Gal (Solid Powder; CAS	5328-37-0L-Arabinose; X-Gal (Solid Powder; CAS	5328-37-0L-Arabinose; X-Gal (Solid Powder; CAS	5328-37-0
Company Informations:

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.

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