primary reference standard
phyproof® Reference Substance
≥95.0% (HPLC)
PhytoLab
food and beverages
neat
−20°C
O[C@H]([C@@H](OC(=O)\C=C\c1ccc(O)c(O)c1)C(O)=O)C(O)=O
1S/C13H12O9/c14-7-3-1-6(5-8(7)15)2-4-9(16)22-11(13(20)21)10(17)12(18)19/h1-5,10-11,14-15,17H,(H,18,19)(H,20,21)/b4-2+/t10-,11-/m1/s1
SWGKAHCIOQPKFW-JTNORFRNSA-N
11 - Combustible Solids
WGK 3