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465119

Sigma-Aldrich

Baicalein

98%

Synonyme(s) :

5,6,7-Trihydroxyflavone

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About This Item

Formule empirique (notation de Hill) :
C15H10O5
Numéro CAS:
491-67-8
Poids moléculaire :
270.24
Beilstein:
272683
Numéro MDL:
MFCD00017459
Code UNSPSC :
12352100
ID de substance PubChem :
24870246
Nomenclature NACRES :
NA.22

47,10 €

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Devis pour commande en gros

Essai

98%

Forme

solid

Pf

256-271 °C (lit.)

Groupe fonctionnel

ketone
phenyl

Chaîne SMILES 

Oc1cc2OC(=CC(=O)c2c(O)c1O)c3ccccc3

InChI

1S/C15H10O5/c16-9-6-11(8-4-2-1-3-5-8)20-12-7-10(17)14(18)15(19)13(9)12/h1-7,17-19H

Clé InChI

FXNFHKRTJBSTCS-UHFFFAOYSA-N

Informations sur le gène

mouse ... Hexa(15211)
rat ... Alox15(81639) , Alox5(25290)

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Catégories apparentées

Description générale

Baicalein, a flavonoid, is a xanthine oxidase inhibitor.[1] Anti-inflammatory effects of baicalein in peripheral human leukocytes has been studied.[2]

Application

Baicalein was used in a study to investigate the in vitro quantitative inhibition of lipoxygenase.[3]

Actions biochimiques/physiologiques

The flavonoid component of Nepalese and Sino-Japanese crude drugs.[4][5] Baicalein, a major flavone of Scutellariae baicalensis, inhibits the 12-lipoxygenase (12-LOX) pathway of arachidonic acid metabolism, which inhibits cancer cell proliferation and induces apoptosis.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
MKCX1335
MKCR0734
0000239789
0000195123
MKCS3854

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Les clients ont également consulté

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Candidone ≥95% (LC/MS-ELSD)

Sigma-Aldrich

SMB00135

Candidone

Scutellarein ≥98% (HPLC)

Sigma-Aldrich

S0327

Scutellarein

Chrysin ≥96.5%

Sigma-Aldrich

C80105

Chrysin

Wogonin hydrate ≥98% (HPLC), solid

Sigma-Aldrich

W0769

Wogonin hydrate

Wei-Tien Chang et al.
The American journal of Chinese medicine, 41(2), 315-331 (2013-04-04)
Previous studies suggest baicalein, in addition to its antioxidant effects, protects against hypoxia/reoxygenation injury via its pro-oxidant properties. We hypothesize that a brief period of baicalein treatment prior to ischemia/reperfusion (I/R) may trigger preconditioning protection via a mitochondrial pro-oxidant mechanism.
Wujun Dong et al.
Acta pharmaceutica Sinica. B, 10(8), 1576-1585 (2020-09-24)
Efficient mucosal delivery remains a major challenge for the reason of the respiratory tract mucus act as a formidable barrier to nanocarriers by trapping and clearing foreign particulates. The surface property of nanoparticles determines their retention and penetration ability within
Naheed Riaz et al.
Phytochemistry, 65(8), 1129-1135 (2004-04-28)
Paeoninol and paeonin C, oligostilbene and monoterpene galactoside, have been isolated from the methanolic extract of the fruits of Paeonia emodi. Their structures have been assigned on the basis of spectral analysis including 1D and 2D NMR techniques. In addition
Yefei Zhou et al.
Poultry science, 98(7), 2790-2799 (2019-02-20)
Baicalein, the main flavonoid extracted from the root of Scutellaria baicalensis Georgi, has been demonstrated to exert multiple pharmacological effects, and thus could be utilized as a potential feed additive in broiler chickens. This study evaluated the effects of broiler
Nina M Høyland-Kroghsbo et al.
Proceedings of the National Academy of Sciences of the United States of America, 114(1), 131-135 (2016-11-17)
CRISPR-Cas are prokaryotic adaptive immune systems that provide protection against bacteriophage (phage) and other parasites. Little is known about how CRISPR-Cas systems are regulated, preventing prediction of phage dynamics in nature and manipulation of phage resistance in clinical settings. Here
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Articles

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

Questions

1–3 sur 3 questions  

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

    1 réponse

    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 réponse

    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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  3. At what percentage of DMso baicalein and naringin will be dissolved?

    1 réponse

    1. Baicalein and can be soluble in 20mg/ml DMSO. Naringin can be soluble in 10 mg/ml neat DMSO.

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