Chlorothiazide sodium

Formula : C7-H5-Cl-N3-Na-O4-S2
CAS : 7085-44-1 

A thiazide diuretic with actions and uses similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p812)

Chlorotoxin

Formula :
CAS : 163515-35-3 

A 4 kDa toxin from Leiurus quinquestriatus; chlorotoxin I-131 (TM601-I131) is Iodine radiolabeled form.