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P3440

Sigma-Aldrich

Polyoxyethylene (40) stearate

Synonyme(s) :

Myrj 52

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250 G
77,00 $

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Disponible pour expédition le31 mars 2025Détails

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250 G
77,00 $

About This Item

Numéro CAS:
9004-99-3
Numéro MDL:
MFCD00148007
Code UNSPSC :
12161900
Nomenclature NACRES :
NA.25

77,00 $

Disponible pour expédition le31 mars 2025Détails

Devis pour commande en gros

Description

non-ionic

Forme

powder

Application(s)

detection

Chaîne SMILES 

O(CCO)C(=O)CCCCCCCCCCCCCCCCC

InChI

1S/C20H40O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-20(22)23-19-18-21/h21H,2-19H2,1H3

Clé InChI

RFVNOJDQRGSOEL-UHFFFAOYSA-N

Description générale

Polyoxyethylene (40) stearate is a neutral surfactant. [1]

Application

Polyoxyethylene (40) stearate has been used in a study to assess the phase behaviors of special hot microemulsion to produce drug-loaded nanostructured lipid carriers. [2] It has also been used in a study to investigate its effects on multidrug resistance (MDR). [3]

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
0000420378
0000420378
0000329862
MKCW3085
0000329862

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Effects of polyoxyethylene (40) stearate on the activity of P-glycoprotein and cytochrome P450.
Zhu, S., et al.
European Journal of Pharmaceutical Sciences, 37, 8-8 (2009)
Lingying Luo et al.
The AAPS journal, 9(3), E329-E335 (2008-01-04)
Multidrug resistance (MDR) is one of the major obstacles limiting the efficacy of cancer chemotherapy. Identification of new and effective MDR reversal agents is needed. In this study, the effects of polyoxyethylene 40 stearate (PS40) on MDR were evaluated via
Alexandra Kosareva et al.
Ultrasound in medicine & biology, 47(9), 2664-2675 (2021-06-20)
Clinical translation of ultrasound molecular imaging will depend on the development of binders that can easily be generated, manufactured and coupled, and that are compatible with in vivo use. We describe targeted microbubbles (MBs) using designed ankyrin repeat proteins (DARPins)
Michalakis Savva et al.
Colloids and surfaces. A, Physicochemical and engineering aspects, 325(1-2), 1-6 (2009-07-18)
The feasibility of a method based on mass preservation [G. Schwarz, J. Zhang, Chem. Phys. Lipids, 110 (2001) 35-45] to determine the solubility of Cholesterol in water from monomolecular films on air/water interface was investigated. Using a mass balance equation
Adam J Shuhendler et al.
Journal of controlled release : official journal of the Controlled Release Society, 157(3), 478-484 (2011-09-24)
For effective and safe thermotherapy, real-time, accurate, three-dimensional tissue thermometry is required. Magnetic resonance imaging (MRI)-based thermometry in combination with current temperature responsive contrast agents only provides an 'off-on' signal at a certain temperature, not indicating temperature increases beyond the
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Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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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