Protocatechuic acid 4-O-beta-glucoside | CAS:7361-59-3

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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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[Studies on chemical constituents of phenols in fresh Houttuynia cordata][Pubmed: 17655149]

Objective: To study the aqueous constituents of Houttuynia cordata. Method: Various columns including Diaion HP-20, Sephadex LH-20, ODS and silica gel were employed for the isolation and purification of compounds from H. cordata. The structures of the compounds were identified by physiochemical properties and spectral analysis. Result: Five compounds were isolated, and their structures were identified as chlorogenic methyl ester (1), (E)-4-Hydroxy-4-[3'-(beta-D-glucopyranosyloxy) butylidene]-3, 5, 5-trimethyl-2-cyclohexen-1-one (2), 2-(3, 4-dihydroxyphenyl) ethyl-beta-D-glucopyranoside (3), p-hydroxyphenethyl-beta-D-glucoside (4), 4-(beta-D-glucopyranosyloxy)-3-hydroxy-Benzoic acid (5). Conclusion: All compounds were isolated from this plant for the first time.

Product Name	Protocatechuic acid 4-O-beta-glucoside
CAS No.:	7361-59-3
Catalog No.:	CFN95557
Molecular Formula:	C₁₃H₁₆O₉
Molecular Weight:	316.3 g/mol
Purity:	>=98%
Type of Compound:	Phenols
Physical Desc.:	Powder
Source:	The herbs of Gastrodia elata BL.
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Price:	$413/5mg