O-methyl Sterigmatocystin, CAS 17878-69-2

Shelf life (days): 1460.0

Formulation: A solid

Formal Name: 3aR,12cS-dihydro-6,8-dimethoxy-7H-furo[3’,2’:4,5]furo[2,3-c]xanthen-7-one

Purity: ≥95%

Formula Markup: C19H14O6

Formula Weight: 338.3

CAS Number: 17878-69-2

Notes: O-methyl Sterigmatocystin (OMST) is a xanthone found in several fungal species including A. flavus, A. parasiticus, A. versicolor, and B. piluliferum.{35012,35013} It is a carcinogenic precursor of aflatoxin G1 (Item No. 11295) and aflatoxin B1 (Item No. 11293) that is a known contaminant of agricultural soils.{35012,35013,35014} OMST is cytotoxic against NCI-H187 human small cell lung cancer cells and African green monkey kidney (Vero) cells (IC50s = 62.2 and 0.65 mM, respectively).{35014}

• SKU: CAY22070-5
• Manufacturer: Cayman Chemical
• Manufacturer SKU: 22070-5
• Package Unit: 5 mg
• Quantity Unit: STK