CAS Registry Number

CAS 145224-94-8 — MES monohydrate

MES monohydrate is a buffering agent commonly used in biochemical and molecular biology applications, particularly in electrophoresis and protein purification. It maintains stable pH in the range of 5.5 to 7.0. Available with a CAS number of 145224-94-8, its molecular formula is OC4H8N(CH2)2SO3H · H2O and molecular weight is 213.25 g/mol. It should be stored at ambient temperature and carries a warning signal word. Molekula supplies MES monohydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.