(Dimethylarsinic Acid) Formula: (CH3)2AsO2H   Formula Weight: 137.99   CAS #: 75-60-5 UN#: UN1572 Assay: 99.5%

Formula: H₅IO₆ Formula Weight: 227.96   CAS #: 10450-60-9 Used as a Fixative: Issidorides, M.R., and Kasorchis, T. (1981). Dispersed and compact chromatin demonstrated with a new EM Method: phosphotungstic acid-hematoxylin block-staining.…

(Silicotungstic acid) Formula: H₄[SiO₄.(W₃O₉)₄]·xH₂O   Molecular Weight: 878.29+aq   CAS #: 11130-20-4

CAS #: 9002-07-7 Extract from Porcine Pancreas. Activity >100 NF units/mg Used for whole cell preparations.