Killer cought syrup, that led to the death of 100 children in Haiti, has led to stringent standards in the handling of pharmaceutical chemicals the world over. Now, pharmaceutical companies and governments are expected to adhere to what the World Health Organisation (WHO) terms Good Manufacturing Practice (GMP). Both active and inactive starting materials used in the manufacture of pharmaceutical products often change hands many times before reaching the manufacturer of pharmaceutical products. Along the distribution chain, there are many opportunities for the type and quality of material to change. As a result, chemicals required for production of pharmaceuticals products.