Catechin pentaacetate | CAS:16198-01-9

Catechin pentaacetate

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Description:

Reference standards.

In vitro:

United States Patent 6365757

Process for the production of a compound (&plus ) catechin penta acetate useful as a precursor for the production of (&plus ) catechin[Reference: WebLink]

METHODS AND RESULTS:
This invention relates to a process for the production of a compound (+) Catechin pentaacetate of formula I from Taxus wallichiana tissue cultures which comprises : (a) inoculation of explants on different media compositions supplemented with combinations of auxins (1-5 mg/l) and cytokinins (0.1-1.0 mg/l); (b) incubation of the cultures under continuous light or dark conditions for 4-6 weeks for callus cultures followed by subculturing at 4-6 weeks intervals; (c) harvesting of the calli at different growth phases ranging from 12-36 months; (d) extraction of fresh pulverized calli with polar solvents at room temperature; (e) evaporating the solvent to give a residue; and partitioning of the residue between water and chlorinated solvents and evaporating the solvent to a semisolid mass; (f) subjecting the resultant mass to column chromatography over suitable adsorbent and (g) eluting with organic solvent/mixtures of organic solvents to get (+) Catechin pentaacetate.

Catechin pentaacetate Description

Source:	The barks of Taxus yunnanensis
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, 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.

Product Name	Catechin pentaacetate
Price:
CAS No.:	16198-01-9
Catalog No.:	CFN99682
Molecular Formula:	C₂₅H₂₄O₁₁
Molecular Weight:	500.5 g/mol
Purity:	>=98%
Type of Compound:	Flavonoids
Physical Desc.:	Powder
Source:	The barks of Taxus yunnanensis
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download:	COA MSDS SDF Manual
Similar structural:	Comparison (Web) (SDF)
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	1.998 mL	9.99 mL	19.98 mL	39.96 mL	49.95 mL
5 mM	0.3996 mL	1.998 mL	3.996 mL	7.992 mL	9.99 mL
10 mM	0.1998 mL	0.999 mL	1.998 mL	3.996 mL	4.995 mL
50 mM	0.04 mL	0.1998 mL	0.3996 mL	0.7992 mL	0.999 mL
100 mM	0.02 mL	0.0999 mL	0.1998 mL	0.3996 mL	0.4995 mL

CFN89499	Afzelechin 3-O-xyloside	512781-45-2	406.38	C₂₀H₂₂O₉
CFN98617	3,4,4',7-Tetrahydroxyflavan	38412-82-7	274.3	C₁₅H₁₄O₅
CFN99646	Catechin	154-23-4	290.3	C₁₅H₁₄O₆
CFN99568	(+)-Catechin hydrate	7295-85-4	308.28	C₁₅H₁₄O₆.H₂O
CFN99682	Catechin pentaacetate	16198-01-9	500.5	C₂₅H₂₄O₁₁
CFN98665	Catechin 7-xyloside	42830-48-8	422.4	C₂₀H₂₂O₁₀
CFN95524	Catechin 7-O-beta-D-glucopyranoside	65597-47-9	452.4	C₂₁H₂₄O₁₁
CFN95717	Catechin 7,3'-di-O-beta-D-glucopyranoside	105330-53-8	614.6	C₂₇H₃₄O₁₆
CFN95552	Symplocoside	76502-76-6	466.4	C₂₂H₂₆O₁₁
CFN99052	Catechin 3-rhamnoside	103630-03-1	436.4	C₂₁H₂₄O₁₀