Pratensein 7-O-glucopyranoside | CAS:36191-03-4

Pratensein 7-O-glucopyranoside

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Size /Price /Stock	10 mM * 1 mL in DMSO / $368 / In-stock
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Pratensein 7-O-glucopyranoside Description

Source:	The herbs of Trifolium pratense L.
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Storage:	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
After receiving:	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.

Structure Identification:

Magnetic Resonance in Chemistry, 2006, 44(7):708-712.

Solvent effect in H-1 NMR spectra of 3 '-hydroxy-4 '-methoxy isoflavonoids from Astragalus membranaceus var. mongholicus[Reference: WebLink]

METHODS AND RESULTS:
Four 3'-hydroxy-4'-methoxy-isoflavonoids: calycosin-7-O-beta-D-glucopyranoside (1), calycosin (2), pratensein-7-O-beta-D-glucopyranoside (Pratensein 7-O-glucopyranoside ,3), and pratensein (4) were isolated from Astragalus membranaceus var. mongholicus, among which compound 4 was obtained from this plant for the first time. The solvent effect obscuring (1)H signal patterns of B ring of compounds 1-4 was reported to avoid mis-assignments.
CONCLUSIONS:
Previously reported NMR data of compounds 1 and 2 were corrected based on 1D and 2D NMR experiments.

Product Name	Pratensein 7-O-glucopyranoside
Price:	$368 / 5mg
CAS No.:	36191-03-4
Catalog No.:	CFN91047
Molecular Formula:	C₂₂H₂₂O₁₁
Molecular Weight:	462.41 g/mol
Purity:	>=98%
Type of Compound:	Flavonoids
Physical Desc.:	Powder
Source:	The herbs of Trifolium pratense L.
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Download:	COA MSDS
Similar structural:	Comparison
Guestbook:

Size /Price /Stock	10 mM * 100 uL in DMSO / Inquiry / In-stock 10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries	Flavonoids Compound Library

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	2.1626 mL	10.8129 mL	21.6258 mL	43.2517 mL	54.0646 mL
5 mM	0.4325 mL	2.1626 mL	4.3252 mL	8.6503 mL	10.8129 mL
10 mM	0.2163 mL	1.0813 mL	2.1626 mL	4.3252 mL	5.4065 mL
50 mM	0.0433 mL	0.2163 mL	0.4325 mL	0.865 mL	1.0813 mL
100 mM	0.0216 mL	0.1081 mL	0.2163 mL	0.4325 mL	0.5406 mL

CFN00227	Atroscine	138-12-5	303.36	C₁₇H₂₁NO₄
CFN00088	Pahutoxin	27742-14-9	400.6	C₂₃H₄₆NO₄
CFN96794	3-Eudesmene-1beta,11-diol	658062-22-7	238.37	C₁₅H₂₆O₂
CFN99404	5alpha-Hydroxycostic acid	132185-83-2	250.3	C₁₅H₂₂O₃