Rhodojaponin V | CAS:37720-86-8 | Manufacturer ChemFaces

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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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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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Toxic Substances in the Flowers pf Pieris japonica[Reference: WebLink]

METHODS AND RESULTS:
The NMR spectrum of Pieristoxin-B is similar to that of Rhodojaponin V (14-acetyl Rhodojaponin-III except that the signals due to the O-acetyl group in the latter is replaced by the signals due to the O-lactoyl group in the former. It is likely that Pieristoxin-B and E are identical with Asebotoxin-III and Rhodojaponin-III, respectively.
CONCLUSIONS:
The structure of compound-V C25H40O9, mp 203-205°, was shown by the chemical and spectral characteristics to be 7-acetoxy-14-propionyl Grayanotoxin-III or 7-propionyloxy-14-acetyl Grayanotoxin-III.

Product Name	Rhodojaponin V
CAS No.:	37720-86-8
Catalog No.:	CFN90670
Molecular Formula:	C₂₂H₃₄O₇
Molecular Weight:	410.5 g/mol
Purity:	>=98%
Type of Compound:	Diterpenoids
Physical Desc.:	Powder
Source:	The herbs of Rhododendron molle G. Don
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price:	$268/10mg