AAL Toxin TB2 | CAS:149849-91-2 | Manufacturer ChemFaces

AAL Toxin TB2

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Description:

AAL-toxin has a wide range of phytotoxicity, it has potential as a natural herbicide because several important weeds including jimsonweed, black nightshade, prickly sida and hemp sesbania are quite sensitive, while some crops such as cotton and maize are not affected.

Targets:

Antifection

In vitro:

Pestic. Sci.,1995, 43, 181-187

AAL-toxin, a potent natural herbicide which disrupts sphingolipid metabolism of plants[Reference: WebLink]

METHODS AND RESULTS:
AAL-toxin, a natural product, has a wide range of phytotoxicity. It has potential as a natural herbicide because several important weeds including jimsonweed, black nightshade, prickly sida and hemp sesbania are quite sensitive, while some crops such as cotton and maize are not affected. This differential susceptibility may allow its exploitation for weed control.
CONCLUSIONS:
The data obtained to date a r e consistent with the hypothesis that the toxin disrupts sphingolipid metabolism and it is hoped that future studies will confirm these preliminary findings. More research is needed in the field to determine feasibility of commercial development of the toxin and its analogues as natural herbicides. Attention to human and mammalian toxicity will also be required.

AAL Toxin TB2 Description

Source:	From Alternaria alternata f. sp. lycopersici
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:

Journal of Chromatography A,1993,641(1):95-100

Isolation and determination of AAL phytotoxins from corn cultures of the fungus Alternaria alternata f. sp. lycopersici[Reference: WebLink]

METHODS AND RESULTS:
The fungus Alternaria alternata f. sp. lycopersici produces a group of four related host-specific phytotoxins (AAL toxins) which can be divided into two groups (TA and TB), each of which exists as an equilibrium mixture of two structural isomers. The AAL toxins were isolated from corn cultures by aqueous extraction, followed by purification on Amberlite XAD-2 resin, separation of TA from TB on silica gel and final purification on a semi-preparative high-performance liquid chromatographic (HPLC) system.
CONCLUSIONS:
A rapid, sensitive and reproducible method was developed to determine these toxins in culture material in order to monitor toxin production on corn cultures. The method consisted of aqueous extraction, C18 solid-phase extraction clean-up, precolumn derivatization with o-phthaldialdehyde and reversed-phase HPLC with fluorescence detection. An isocratic HPLC system was developed that separated the structural isomers of TA and TB within a chromatographic analysis time of 24 min.

Product Name	AAL Toxin TB2
Price:
CAS No.:	149849-91-2
Catalog No.:	CFN00007
Molecular Formula:	C₂₅H₄₇NO₉
Molecular Weight:	505.65 g/mol
Purity:	>=98%
Type of Compound:	Alkaloids
Physical Desc.:	Powder
Source:	From Alternaria alternata f. sp. lycopersici
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Download:	COA MSDS SDF
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	Herbicides Compound Library Phytotoxic Compound Library Alkaloids Compound Library Antifection Inhibitor Library

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	1.9777 mL	9.8883 mL	19.7765 mL	39.5531 mL	49.4413 mL
5 mM	0.3955 mL	1.9777 mL	3.9553 mL	7.9106 mL	9.8883 mL
10 mM	0.1978 mL	0.9888 mL	1.9777 mL	3.9553 mL	4.9441 mL
50 mM	0.0396 mL	0.1978 mL	0.3955 mL	0.7911 mL	0.9888 mL
100 mM	0.0198 mL	0.0989 mL	0.1978 mL	0.3955 mL	0.4944 mL

CFN00009	AAL Toxin TC2	176590-34-4	489.65	C₂₅H₄₇NO₈
CFN00010	AAL Toxin TE2	176590-38-8	531.68	C₂₇H₄₉NO₉
CFN00044	1-Deoxydihydroceramide-1-sulfonic acid	N/A	573.92	C₃₂H₆₃NO₅S
CFN00088	Pahutoxin	27742-14-9	400.6	C₂₃H₄₆NO₄
CFN00089	Homopahutoxin	109777-68-6	414.7	C₂₄H₄₈NO₄+
CFN00002	AAL Toxin TB1	149849-90-1	505.65	C₂₅H₄₇NO₉
CFN00003	AAL Toxin TD1	176590-35-5	547.68	C₂₇H₄₉NO₁₀
CFN00004	AAL Toxin TC1	176590-33-3	489.65	C₂₅H₄₇NO₈
CFN00005	AAL Toxin TE1	176590-37-7	531.68	C₂₇H₄₉NO₉
CFN00006	AAL Toxin TA2	79367-51-4	521.65	C₂₅H₄₇NO₁₀