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Phenylalanine (symbol Phe or F) is an essential α-amino acid with the formula C 9H 11NO 2. It can be viewed as a benzyl group substituted for the methyl...

Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without...

E numbers, short for Europe numbers, are codes for substances used as food additives, including those found naturally in many foods, such as vitamin C...

Coumarin (/ˈkuːmərɪn/) or 2H-chromen-2-one is an aromatic organic chemical compound with formula C9H6O2. Its molecule can be described as a benzene molecule...

Polylactic acid, also known as poly(lactic acid) or polylactide (PLA), is a thermoplastic polyester (or polyhydroxyalkanoate) with backbone formula (C...

Uracil (/ˈjʊərəsɪl/) (symbol U or Ura) is one of the four nucleobases in the nucleic acid RNA. The others are adenine (A), cytosine (C), and guanine (G)...

Biperiden, sold under the brand name Akineton among others, is a medication used to treat Parkinson disease, certain drug-induced movement disorders and...

The Sonogashira reaction is a cross-coupling reaction used in organic synthesis to form carbon–carbon bonds. It employs a palladium catalyst as well as...

White spirit (AU, UK and Ireland) or mineral spirits (US, Canada), also known as mineral turpentine (AU/NZ/ZA), turpentine substitute, and petroleum spirits...

Technetium-99 (99Tc) is an isotope of technetium which decays with a half-life of 211,000 years to stable ruthenium-99, emitting beta particles, but no...

Poly(allyl diglycol carbonate) (PADC) is a plastic commonly used in the manufacture of eyeglass lenses alongside the material PMMA (polymethyl methacrylate)...

Cryogenic hardening is a cryogenic treatment process where the material is cooled to approximately −185 °C (−301 °F), usually using liquid nitrogen. It...

'''OXO-degradable''' is a term used by the EU and others which has caused confusion.  The specific definitions are found in CEN (European Committee for...

Bisphenol A controversy centers on concerns and debates about the biomedical significance of bisphenol A (BPA), which is a precursor to polymers that are...

Klaus Schmiegel (born June 28, 1939), is a German chemist best known for his work in organic chemistry, which led to the invention of Prozac, a widely...

Johanna Maria "Hanneke" Jansen is a computational chemist working at Novartis on multiple drug targets. She previously worked at Astra and at Chiron Corporation...

FirstDefender is a handheld liquid and solid chemical identification instrument which uses a method of analysis called Raman spectroscopy. It is designed...