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Product Image-TS43949-0050

L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride 95%

Supplier: Thermo Scientific Chemicals
Description: L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride 95%

Product Image-89150-484

3,3',4',5,7-Pentahydroxyflavylium chloride ≥97% (by HPLC)

Supplier: Enzo Life Sciences
Description: Nitric oxide (NO) scavenger.

Image Unavailable-TCD2345-25G

3',4'-Dihydroxyacetophenone ≥98.0%

Supplier: TCI America
Description: CAS Number: 1197-09-7
MDL Number: MFCD00016439
Molecular Formula: C8H8O3
Molecular Weight: 152.15
Purity/Analysis Method: >98.0% (GC)
Form: Crystal
Melting point (°C): 119

SDS Certificates

Image Unavailable-TCT2682-5G

Luteolin ≥98.0% (by HPLC)

Supplier: TCI America
Description: CAS Number: 491-70-3
MDL Number: MFCD00017309
Molecular Formula: C15H10O6
Molecular Weight: 286.24
Purity/Analysis Method: >98.0% (HPLC)
Form: Crystal
Color: Pale Yellow
Melting point (°C): 330
Storage Temperature: 0-10°C

SDS Certificates

Image Unavailable-77602-518

Tyrphostin B42 ≥98%

Supplier: Ambeed
Description: Tyrphostin B42 ≥98%

New Product

Image Unavailable-77236-256

Luteolin-7-glucoside 98%

Supplier: Ambeed
Description: 2-(3,4-Dihydroxyphenyl)-5-hydroxy-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one, Purity: 98%, CAS Number: 5373-11-5, Appearance: Solid, Storage: Sealed in dry, 2-8 C, Size: 1mg

Image Unavailable-ALA135920-5G

Morin ≥90% (by HPLC), Moligand™

Supplier: ALADDIN SCIENTIFIC
Description: This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate.

New Product

Product Image-77692-870

1-(3,4-Dihydroxyphenyl)-2-(methylamino)ethanone Hydrochloride (Adrenalone Hydrochloride), Mikromol, LGC Standards

Catalog Number: (77692-870)
Supplier: LGC Standards
Description: 1-(3,4-Dihydroxyphenyl)-2-(methylamino)ethanone Hydrochloride (Adrenalone Hydrochloride), Mikromol, LGC Standards

New Product


Image Unavailable-77572-202

L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride 95%

Supplier: Ambeed
Description: L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride 95%

New Product

Image Unavailable-AAJ61218-FPL

(-)-Epicatechin ≥95%, crystalline powder

Catalog Number: (AAJ61218-FPL)
Supplier: Thermo Scientific Chemicals
Description: An antioxidant and natural product from green tea.

SDS Certificates


Image Unavailable-AAJ67355-FPL

U-0521 98%

Catalog Number: (AAJ67355-FPL)
Supplier: Thermo Scientific Chemicals
Description: Solid

SDS Certificates


Image Unavailable-TCE1226-5G

(-)-Epicatechin ≥97.0% (by HPLC)

Supplier: TCI America
Description: (-)-Epicatechin ≥97.0% (by HPLC)

New Product

Image Unavailable-89157-932

Tyrphostin AG 490 ≥98% (by TLC)

Supplier: Enzo Life Sciences
Description: AG-490 is a potent inhibitor of the JAK-2 tyrosine kinase. In acute lymphoblastic leukemia (ALL) cells, which abundantly express JAK-2, AG-490 dose-dependently inhibited DNA synthesis, blocked cell growth and induced apoptosis. At 5 µM, AG-490 almost completely blocked the growth of all pre-B ALL cells but had no significant effect on the growth of mitogen-stimulated normal B or T cells, B-cell lymphoma or T-cell leukemia cells. AG-490 does not significantly inhibit other kinases such as Lck, Lyn, Btk, Syk and Src. It blocks interleukin-7-induced JAK kinase activity in T-cells (JAK-1, JAK-3) and the consequent phosphorylation of PI-3 kinase. AG-490 is cell permeable and is a valuable tool for studying the cellular role of JAK kinases in signal transduction.

Image Unavailable-77879-282

(S)-2-(3,4-Dihydroxyphenyl)-5-hydroxy-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-((((2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)chroman-4-one ≥98%

Supplier: Ambeed
Description: (S)-2-(3,4-Dihydroxyphenyl)-5-hydroxy-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-((((2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)chroman-4-one ≥98%

New Product

Image Unavailable-77112-492

Quercitrin 98%

Supplier: Ambeed
Description: 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one, Purity: 98%, CAS Number: 522-12-3, Appearance: Solid, Storage: Keep in dark place, Sealed in dry, 2-8 deg C, Size: 5mg

Image Unavailable-ALA126525250MG

Tyrphostin AG 490 ≥98%, Moligand™

Catalog Number: (ALA126525250MG)
Supplier: ALADDIN SCIENTIFIC
Description: AG-490 (Tyrphostin AG 490) is an inhibitor of EGFR with IC50 of 0.1 μM, 135-fold more selective for EGFR versus ErbB2, also inhibits JAK2 with no activity to Lck, Lyn, Btk, Syk and Src.Tyrphostin AG has been used to block IL-6 cytokine signaling to study its effects on glial cell reactivity. AG 490 has also been used as a JAK2 inhibitor in human umbilical vein endothelial cells

New Product


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
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This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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