When US citizens are abroad and unable to obtain a medallion signature guarantee stamp, with prior notice of the substitution some financial institutions may accept a United States embassy seal in its place.
Phenyl-2-propanone (Compound 1), commonly referred to as P2P, is an intermediate precursor in the manufacture of d,l-amphetamine, d,l-methamphetamine, and other similar phenethylamines (Fig. 1).
The element P belongs to Group 15 (Vb),  Nitrogen-Phosphorous-Arsenic group in the periodic table of  elements.   Phosphate is a weak, tri-basic anion  PO43- but that' â¦ s  not a 'chemical group'. 2 people found this useful.