Daphnetin 7-methyl ether

Daphnetin 7-methyl ether
Product Name Daphnetin 7-methyl ether
CAS No.: 19492-03-6
Catalog No.: CFN90593
Molecular Formula: C10H8O4
Molecular Weight: 192.17 g/mol
Purity: >=98%
Type of Compound: Coumarins
Physical Desc.: Cryst.
Targets: Immunology & Inflammation related
Source: The roots of Wikstroemia indica (Linn.) C. A. Mey.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price: $218/20mg
Daphnetin 7-methyl ether has anti-inflammatory activity.
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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

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.
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    Article first published online: 17 JUN 2015
    In Vitro Evaluation of the Effect of 7-Methyl Substitution on Glucuronidation of Daphnetin: Metabolic Stability, Isoform Selectivity, and Bioactivity Analysis[Reference: WebLink]
    The C-8 phenol group is essential to exert the bioactivities of daphnetin, but it is readily conjugated with glucuronic acid prior to excretion.
    METHODS AND RESULTS:
    In this study, Daphnetin 7-methyl ether (7M-DNP) was used to investigate the effect of 7-methyl substitution on daphnetin glucuronidation in human/rat liver (HLM/RLM) and intestine (HIM/RIM) microsomes, and recombinant UDP-glucuronosyltransferases (UGTs). Compared with daphnetin, the Vmax/Km values of 7M-DNP via 8-O-glucuronidation were 2.1-fold lower in HLM, 1.7-fold lower in HIM, and 2.4-fold lower in RLM, suggesting an improvement in metabolic stability. Different from daphnetin 8-O-glucuronidation exclusively catalyzed by UGT1A6 and UGT1A9, UGT1A1, -1A3, -1A7, -1A8, and -1A9 showed glucuronidation activity toward Daphnetin 7-methyl ether . Kinetics studies, chemical inhibition, and the relative activity factor approach were used to demonstrate that UGT1A9 was mainly responsible for the reaction in HLM, whereas UGT1A1 was a primary contributor in HIM. The Vmax/Km values of Daphnetin 7-methyl ether glucuronidation in HLM and HIM were 0.61–0.74-fold lower than those of rat, suggesting the differences between the two species.
    CONCLUSIONS:
    The bioactivity analysis demonstrated that Daphnetin 7-methyl ether had an anti-inflammatory activity comparable to that of daphnetin.
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