2H-1-Benzopyran-7-yloxy | CAS:41680-08-4

2H-1-Benzopyran-7-yloxy

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Description:

Reference standards.

In vitro:

Toxicological & Environmental Chemistry Reviews, 2009, 91(5):999-1003.

Antimicrobial and cytotoxic activity of the stem and root bark extracts of Quassia undulata and isolated constituents.[Reference: WebLink]

METHODS AND RESULTS:
The stem and root barks of Quassia undulata were exhaustively extracted with methanol to give the methanolic extracts: MeQuS and MeQuR, respectively. The chloroform extracts were obtained and fractionated on an open column of silica gel by gradient elution with chloroform and chloroform–methanol mixtures. Purification of fractions afforded the isolation of four compounds, namely: 3′-(8-hydroxy,6-methoxy,2-oxo-2H-1-Benzopyran-7-yloxy)-3′,4′-dihydro, 7′-methoxy,2H-1-benzopyran (eniotorin) (1) a new bisbenzopyran coumarin, 7-hydroxy-6-methoxy-2H-1-benzopyran-2-one (scopoletin) (2) (a coumarin); glaucarubinone (3) and 15-desacetylundulatone (4) (quassinoids). The antimicrobial activities of the extracts and isolated compounds were evaluated against five microbes, namely: Staphylococcus aureus; Eschericha coli; Pseudomonas aeruginosa; Klebsiella pneumonia and Candida albicans.
CONCLUSIONS:
The extracts exhibited a broad-spectrum activity against the tested microbes. Cytotoxic activities of the extracts and compounds isolated from them were also examined against brine shrimps, Artemia salina. The extracts and the compounds showed significant dose-dependent activities.

2H-1-Benzopyran-7-yloxy Description

Source:	The herbs of Platymiscium praecox
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, 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.

Product Name	2H-1-Benzopyran-7-yloxy
Price:
CAS No.:	41680-08-4
Catalog No.:	CFN92673
Molecular Formula:	C₁₅H₁₂O₃
Molecular Weight:	240.3 g/mol
Purity:	>=98%
Type of Compound:	Flavonoids
Physical Desc.:	Powder
Source:	The herbs of Platymiscium praecox
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, 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	Flavonoids Compound Library

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	4.1615 mL	20.8073 mL	41.6146 mL	83.2293 mL	104.0366 mL
5 mM	0.8323 mL	4.1615 mL	8.3229 mL	16.6459 mL	20.8073 mL
10 mM	0.4161 mL	2.0807 mL	4.1615 mL	8.3229 mL	10.4037 mL
50 mM	0.0832 mL	0.4161 mL	0.8323 mL	1.6646 mL	2.0807 mL
100 mM	0.0416 mL	0.2081 mL	0.4161 mL	0.8323 mL	1.0404 mL

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CFN98489	Alpinetin	36052-37-6	270.3	C₁₆H₁₄O₄
CFN92662	5,7-Dimethoxyflavanone	1036-72-2	284.3	C₁₇H₁₆O₄
CFN90899	(2R)-5,7-Dimethoxyflavanone	1277188-85-8	284.31	C₁₇H₁₆O₄
CFN93796	Dihydrobaicalein	35683-17-1	272.3	C₁₅H₁₂O₅
CFN92591	Dihydrooroxylin A	18956-18-8	286.3	C₁₆H₁₄O₅
CFN92422	Onysilin	73695-94-0	300.3	C₁₇H₁₆O₅
CFN99241	5-Hydroxy-7,8-dimethoxyflavanone	113981-49-0	300.3	C₁₇H₁₆O₅
CFN98910	7-Hydroxy-5,8-dimethoxyflavanone	54377-24-1	300.3	C₁₇H₁₆O₅
CFN95580	8-Hydroxy-5,7-dimethoxyflavanone	201230-40-2	300.3	C₁₇H₁₆O₅