ABOUT PROMETHAZINE QUAGEN

The phosphate salt of codeine takes place as white, needle-shaped crystals or white crystalline powder. Codeine phosphate is freely soluble in water and a bit soluble in Liquor. The molecular pounds is 406.37. Its molecular system is C18H21NO3•H3PO4 • ½ H2O, and it's the subsequent chemical construction.There is no normal agreement about preci