10-Hydroxyaloin B

10-Hydroxyaloin B
Product Name 10-Hydroxyaloin B
CAS No.: 134863-92-6
Catalog No.: CFN95454
Molecular Formula: C21H22O10
Molecular Weight: 434.4 g/mol
Purity: >=98%
Type of Compound: Anthraquinones
Physical Desc.: Powder
Source: The herbs of Aloe vera L.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Price: $318/5mg
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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.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

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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    A reinvestigation of the anthrone derivative 4-hydroxyaloin as main product of the mild IN VITRO-oxidation of aloin has led to the revision of the proposed structure as the aloin-analogous oxanthrone derivative, the new 10-hydroxyaloin, which was prepared from aloin by an improved procedure in ammonia at pH 9. 10-Hydroxyaloin was separated into its C10-diastereomers A and B by analytical and preparative chromatographic methods. Their structures were elucidated by spectroscopic methods (FAB-MS; (1)H/ (13)C-NMR; CD), which show that 10-hydroxyaloin A is the 10 R,1' R compound and that 10-Hydroxyaloin B has the 10 S,1' R-configuration.
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