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You are here:Home » Biochemicals » Biochem-Mycotoxins » Sterigmatocystin

Sterigmatocystin

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Specifications

Sterigmatocystin is a xanthone isolated by a number of groups in the 1950s as a mycotoxin produced by several species of Aspergillus associated with food and grain contamination. Sterigmatocystin is structurally related to the aflatoxins and while it is considered to be mutagenic, teratogenic and carcinogenic, it is less widespread and potent than the aflatoxins. Sterigmatocystin in the presence of microsomes covalently binds to DNA. It uncouples oxidative phosphorylation but, unlike the aflatoxins, does not induce mitochondrial swelling or hinder Ca2+-induced swelling of mitochondria. More recently, sterigmatocystin has been shown to
be an inhibitor of acyl-CoA:cholesterol acyltransferase (ACAT) with selectivity for the ACAT2 isoenzyme.
Catalog #S7973-49
Source Aspergillus versicolor MST-FP2032
Apperance Pale yellow solid
Solubility Soluble in DMF or DMSO. Sparingly soluble in methanol and ethanol with only limited water solubility.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
CAS Number10048-13-2
Molecular FormulaC18H12O6
Molecular Weight324.3
SourceAspergillus versicolor MST-FP2032
Purity~95%
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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