4-(2-Pyridylazo)resorcinol monosodium salt 97% 16593-81-0 C₁₁H₈N₃NaO₂H₂O 255.21 g./mol ฿2,390.00 View
5-Bromo-PAPS for spectrophotometric det. of Zn(II), Cu(II), Fe(II), Co(II), H2O2, ≥95% 679787-08-7 C₁₇H₁₉BrN₄Na₂O₄S₂H₂O 537.34 g./mol ฿8,400.00 View
p-Benzoquinone for spectrophotometric det. of amines, ≥99.5%(HPLC) 106-51-4 C₆H₄O₂ 108.1 g./mol ฿1,200.00 View
4-Aminophenyl phosphate monosodium salt hydrate ≥98.0% (TLC) 108084-47-5 C₆H₇NNaO₄PH₂O 211.09(anhydrous basis) g./mol ฿2,020.00 View
2,4,6-Tris(2-pyridyl)-s-triazine For spectrophotometric determination of Fe, ≥99% (HPLC) 3682-35-7 C₁₈H₁₂N₆ 312.33 g./mol ฿3,920.00 View