If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
D9260
Dextrano from Leuconostoc mesenteroides
average mol wt 9,000-11,000
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| Talla/SKU | Disponibilidad | Precio |
|---|---|---|
10 g | Disponible para enviar HOYdesdeMILWAUKEE | $107.00 |
50 g | Disponible para enviar HOYdesdeMILWAUKEE | $418.00 $313.50 |
100 g | Comprobar disponibilidad del carrito | $587.00 |
500 g | Disponible para enviar HOYdesdeMILWAUKEE | $2,090.00 |
Acerca de este artículo
biological source
bacterial (Leuconostoc mesenteroides)
Quality Segment
form
powder
optical activity
[α]/D 199°
mol wt
average mol wt 9,000-11,000
solubility
water: 0.1 g/mL, colorless to faintly yellow
storage temp.
2-8°C
SMILES string
O1C(C(C(C(C1CO)O)O)O)OCC2OC(C(C(C2O)O)O)OCC(O)C(O)C(O)C(O)C=O
InChI
1S/C18H32O16/c19-1-5(21)9(23)10(24)6(22)3-31-17-16(30)14(28)12(26)8(34-17)4-32-18-15(29)13(27)11(25)7(2-20)33-18/h1,5-18,20-30H,2-4H2
InChI key
FZWBNHMXJMCXLU-UHFFFAOYSA-N
Application
Dextrans of less than 60,000Da are generally considered low molecular weight dextrans. Low molecular weight dextrans are often preferred versus high molecular weight dextrans due to their viscosities, aggregation and permeation properties. High molecular weight, water-soluble, dextran polymers have been used in a wide variety of biomedical applications. Dextran (9,000-11,000), a low molecular weight dextran, may be used to study processes such as transient plasma membrane and blood brain barrier (BBB) permeabilization. It may be used as a sugar based crowding agent in protein packing and folding studies.
Preparation Note
Other Notes
1 of 1
Este artículo | |||
|---|---|---|---|
| description average mol wt 9,000-11,000 | description analytical standard, suitable for gel permeation chromatography (GPC), Mw 25,000 | description Mr ~60,000 | description analytical standard, Mw 1,000 |
| biological source bacterial (Leuconostoc mesenteroides) | biological source - | biological source (Leuconostoc mesenteroides) | biological source - |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| solubility water: 0.1 g/mL, colorless to faintly yellow | solubility - | solubility - | solubility - |
| form powder | form - | form powder | form - |
| storage temp. 2-8°C | storage temp. - | storage temp. - | storage temp. - |
| mol wt average mol wt 9,000-11,000 | mol wt Mp ~20,000, Mn ~20,000, Mw ~25,000 | mol wt Mr ~60,000 | mol wt Mp ~1,100, Mn ~1,000, Mw ~1,300 |
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Clase de almacenamiento
11 - Combustible Solids
Punto de inflamación (°F)
Not applicable
Punto de inflamación (°C)
Not applicable
EPI (equipos de protección individual)
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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