Gnetumontanin B | CAS:809237-87-4 | Manufacturer ChemFaces

Gnetumontanin B

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Size /Price /Stock	10 mM * 1 mL in DMSO / Inquiry
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Gnetumontanin B Description

Source:	The herbs of Gnetum montanum
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Storage:	Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C). Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
After receiving:	The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.

Structure Identification:

Planta Med. 2004 Feb;70(2):160-5.

Four new stilbenoids from the lianas of Gnetum montanum f. megalocarpum.[Pubmed: 14994195]

METHODS AND RESULTS:
From the lianas of Gnetum montanum Markgr. f. megalocarpum Markgr., four new stilbenoids, gnetumontanins A - D ( 1 - 4) were obtained together with 16 known compounds. Gnetumontanin A ( 1) is the first oligostilbene dimerized from two oxyresveratrol units, Gnetumontanin B ( 2) is a new stilbene trimer oligomerized from two oxyresveratrol and one resveratrol units, gnetumontanin C ( 3) is a new stilbenoid with a novel skeleton having a delta-lactone moiety and gnetumontanin D ( 4) is a glucoside of 3. Their structures were determined by means of spectroscopic evidence, especially 2D NMR techniques.
CONCLUSIONS:
Gnetumontanin B showed potent inhibition of TNF-alpha with an inhibitory ratio of 58.1 % (P < 0.05) at a concentration of 10 ( - 5) mol L (-1) and the IC (50) was 1.49 x 10 ( - 6) mol L (-1).

Product Name	Gnetumontanin B
Price:
CAS No.:	809237-87-4
Catalog No.:	CFN92853
Molecular Formula:	C₄₂H₃₂O₁₁
Molecular Weight:	713.0 g/mol
Purity:	>=98%
Type of Compound:	Phenols
Physical Desc.:	Powder
Source:	The herbs of Gnetum montanum
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Download:	COA MSDS SDF
Similar structural:	Comparison (Web) (SDF)
Guestbook:

Size /Price /Stock	10 mM * 100 uL in DMSO / Inquiry / In-stock 10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries	Inhibitors Compound Library Phenols Compound Library TNF-α Inhibitor Library

Description:	Gnetumontanin B shows potent inhibition of TNF-alpha.
Targets:	TNF-α

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	1.4025 mL	7.0126 mL	14.0252 mL	28.0505 mL	35.0631 mL
5 mM	0.2805 mL	1.4025 mL	2.805 mL	5.6101 mL	7.0126 mL
10 mM	0.1403 mL	0.7013 mL	1.4025 mL	2.805 mL	3.5063 mL
50 mM	0.0281 mL	0.1403 mL	0.2805 mL	0.561 mL	0.7013 mL
100 mM	0.014 mL	0.0701 mL	0.1403 mL	0.2805 mL	0.3506 mL

CFN97082	Viniferol D	625096-18-6	680.7	C₄₂H₃₂O₉
CFN95778	Suffruticosol A	220936-82-3	680.7	C₄₂H₃₂O₉
CFN95779	Suffruticosol B	220936-87-8	680.7	C₄₂H₃₂O₉
CFN95780	Suffruticosol C	220936-94-7	680.7	C₄₂H₃₂O₉
CFN96132	Mulberrofuran C	77996-04-4	580.6	C₃₄H₂₈O₉
CFN92788	Mulberrofuran G	87085-00-5	562.6	C₃₄H₂₆O₈
CFN96253	Mulberrofuran G pentaacetate	99217-75-1	772.8	C₄₄H₃₆O₁₃
CFN96881	Mulberrofuran K	94617-36-4	628.67	C₃₉H₃₂O₈
CFN92853	Gnetumontanin B	809237-87-4	713.0	C₄₂H₃₂O₁₁
CFN92427	Gnetin J	152511-23-4	696.7	C₄₂H₃₂O₁₀