Vinaginsenoside R8 | CAS:156042-22-7 | 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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Saponins from Vietnamese Ginseng, Panax vietnamensis HA et Grushv. Collected in central Vietnam. II.[Pubmed: 8124758]

METHODS AND RESULTS:
Further investigation on the saponin composition of rhizomes and roots of Panax vietnamensis HA et GRUSHV. has resulted in the isolation and structural elucidation of seven new dammarane saponins named vinaginsenoside R3 (12), Vinaginsenoside R4 (11), vinaginsenoside R5 (16), vinaginsenoside R6 (17), vinaginsenoside R7 (6), Vinaginsenoside R8 (20), vinaginsenoside R9 (22), together with the identification of six known saponins including 20-gluco-ginsenoside-Rf (10), ginsenoside-Rc (4), notoginsenoside-R6 (9), quinquenoside-R1 (5), gypenoside XVII (2) and majoroside F1 (21). The structures of the novel saponins were established on the basis of chemical and spectral evidence.
CONCLUSIONS:
Vina-ginsenoside-R3 is the first naturally occurring glycoside of dammarenediol II, while vina-ginsenosides-R5 and -R6, two ocotillol-type saponins, are two other examples of saponins having the rare alpha-glucosyl linkage.

Product Name	Vinaginsenoside R8
CAS No.:	156042-22-7
Catalog No.:	CFN93195
Molecular Formula:	C₄₈H₈₂O₁₉
Molecular Weight:	963.16 g/mol
Purity:	>=98%
Type of Compound:	Triterpenoids
Physical Desc.:	Powder
Source:	The roots of Panax notoginseng
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Price: