Erastin, 5 mg

A laboratory chemical from STEMCELL Technologies, this solid compound has a crystalline appearance and is identified by the synonym 2-[1-[4-[2-(4-chlorophenoxy)acetyl]-1-piperazinyl]ethyl]-3-(2-ethoxyphenyl)-4(3H)-quinazolinone (CAS No. 571203-78-6). The molecular formula is C30H31ClN4O4 with a molecular weight of 547.1, and the product is described in the manufacturer's safety data sheet as not flammable and stable under recommended transport or storage conditions.

According to the SDS, the substance is classified as Acute toxicity - Oral Category 3 under the 2012 OSHA Hazard Communication Standard, with the hazard statement "Toxic if swallowed." An earlier revision of the SDS also listed Acute toxicity - Dermal Category 3 and Acute toxicity - Inhalation (Dusts/Mists) Category 3, with the statements "Toxic in contact with skin" and "Toxic if inhaled." The calculated ATEmix (oral) value is 100.00 mg/kg. Solubility information from the SDS lists 10 mg/mL in DMF, 5 mg/mL in DMSO, and 0.25 mg/mL in DMSO:PBS (pH 7.2) at a 1:2 ratio.

The supplier identified in the SDS is STEMCELL Technologies Canada Inc. (Vancouver, British Columbia), and the UN/ID number for the substance is 2811. The SDS recommends storing locked up and out of the reach of children, handling in accordance with good industrial hygiene and safety practice, and avoiding contact with skin, eyes, and clothing. Strong oxidizing agents are listed as incompatible materials.