3,3'-Dimethoxybenzidine Analytical reference substance, 99% 119-90-4 C₁₄H₁₆N₂O₂ 244.29 g./mol ฿6,680.00 View
Ammonium molybdate tetrahydrate 99.9% metals basis 12054-85-2 H₂₄Mo₇N₆O₂₄·₄H₂O 1235.86 g./mol ฿400.00 View
Potassium sodium tartrate tetrahydrate 99.99% metals basis 6381-59-5 C₄H₄O₆KNa·₄H₂O 282.22 g./mol ฿600.00 View