Sterigmatocystin

CAS Number

10048-13-2

Synonym

STC; 3a,12c-dihydro-8-hydroxy-6-methoxyfuro[3',2':4,5)furo[2,3-c]xanthen-7-one; 7h-furo(3',2':4,5)furo(2,3-c)xanthen-7-one,3a,12c-dihydro-8-hydroxy-6-methoxy-, (3ar-cis)

Occurrence/Use

Produced by fungi in genus Aspergillus; found in water-damaged buildings, crusts of molded cheeses, moldy or low-quality food and animal feed

Cancer Potency Information

Latest Criteria: Proposition 65 NSRLs/MADLs
Inhalation Unit Risk (μg/cubic meter)-1: 1.0 E-2
Inhalation Slope Factor (mg/kg-day)-1: 3.5 E+1
Oral Slope Factor (mg/kg-day)-1: 2.2 E-1
Comments/References:

OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens.

 

Maekawa et al. 1979; Ohtsubo et al. 1978; Terao et al. 1978; Purchase & Van der Watt 1970.

Proposition 65

Chemical Status

Cancer: Currently listed

Cancer

Cancer - Listing Mechanism
State's Qualified Experts
Listed as causing : Listed as causing: Cancer
Date of Listing:

Safe Harbor Levels

No Significant Risk Level (NSRL)
0.02 µg/day
Cancer
Last NSRL/MADL Revision: 1992

Documents, Presentations, and Publications

Cancer: