Melatonin standard substance 300μg/mL Substrate: Ethanol. U=1% 73-31-4 C₁₃H₁₆N₂O₂ 232.28 g./mol ฿1,520.00 View
1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-1,2,4-triazole-3-carboxylic acid 97% 39925-19-4 C₈H₁₁N₃O₆ 245.19 g./mol ฿8,541.00 View