4-Hydroxycephalotaxine | CAS:84567-08-8

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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.

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Antiphytoviral activity of alkaloids from Cephalotaxus sinensis[Reference: WebLink]

The evaluation of pesticidal activity and the isolation of plant allelochemicals can lead to the discovery of new pesticides.
METHODS AND RESULTS:
This study confirmed that Cephalotaxus sinensis, an important Chinese medicinal species, has excellent activities against tobacco mosaic virus (TMV) and cucumber mosaic virus (CMV) both indoors and outdoors; its control of the TMV is comparable to that of a commercialized antiviral agent (VA; active ingredient = a mixture of moroxydine hydrochloride and copper acetate). Using bioassay-guided fractionation, we isolated eight active alkaloids, which were identified as drupacine, 11-hydroxycephalotaxine, cephalancetine A, isocephalotaxine, cephalotaxine β-N-oxide, 4-Hydroxycephalotaxine, wilsonine and cephalotaxine.
CONCLUSIONS:
At the same dosage, the inactivation activities against TMV were not significantly different among drupacine, 11-hydroxycephalotaxine, cephalotaxine and VA (inhibition ratio = 50.76% to 53.41%).

Product Name	4-Hydroxycephalotaxine
CAS No.:	84567-08-8
Catalog No.:	CFN97338
Molecular Formula:	C₁₈H₂₁NO₅
Molecular Weight:	331.4 g/mol
Purity:	>=98%
Type of Compound:	Alkaloids
Physical Desc.:	Powder
Source:	The barks of Cephalotaxus fortunei
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price: