Pyrintegrin, 10 mg

STEMCELL Technologies supplies this laboratory chemical as a crystalline solid, with the manufacturer's recommended use as a laboratory reagent. The substance is N-(cyclopropylmethyl)-4-[[4-(3,4-dihydro-6-hydroxy-1(2H)-quinolinyl)-2-pyrimidinyl]amino]-benzenesulfonamide, registered under CAS 1228445-38-2 and present at 100% concentration.

The molecular formula is C23H25N5O3S, corresponding to a molecular weight of 451.5. Reported solubilities are approximately 0.1 mg/mL in a 1:1 DMF:PBS solution at pH 7.2, approximately 1 mg/mL in EtOH, approximately 30 mg/mL in DMSO, and approximately 50 mg/mL in DMF.

Safety data for the compound varies between the supplier's published sheets: an earlier revision classifies it as a respiratory sensitizer and skin sensitizer (GHS Category 1, signal word Danger), while a later revision states it is not considered hazardous under the 2012 OSHA Hazard Communication Standard. The material is described as chemically stable under recommended storage, with incompatible materials listed as strong oxidizing agents in one revision and acids and bases in another. The container should be kept tightly closed and stored per the product information sheet, with handling in accordance with good industrial hygiene and safety practice. The manufacturer's emergency telephone is 1-800-667-0322.