Alpha /ˈælfə/ (uppercase Α, lowercase α) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived...

α-Pyrrolidinopentiophenone (also known as α-pyrrolidinovalerophenone, α-PVP, O-2387, β-keto-prolintane, prolintanone, or desmethylpyrovalerone) is a synthetic...

α-Galactosidase ( EC 3.2.1.22, α-GAL, α-GAL A; systematic name α-D-galactoside galactohydrolase) is a glycoside hydrolase enzyme that catalyses the following...

(α Centauri, α Cen, or Alpha Cen) is a triple star system in the southern constellation of Centaurus. It consists of three stars: Rigil Kentaurus (α Centauri...

5-methoxy-αMT (5-MeO-αMT), α,N-dimethyltryptamine (α,N-DMT; N-methyl-αMT), α,N,N-trimethyltryptamine (α,N,N-TMT; N-dimethyl-αMT), α-methylserotonin (α-methyl-5-HT;...

α-Pyrrolidinohexiophenone (α-PHP, A-PHP, Aphp, alpha-PHP, α-Pyrrolidinohexanophenone, PV-7) is a synthetic stimulant drug of the cathinone class developed...

homolog of α-pyrrolidinohexiophenone (α-PHP). In the United States, α-pyrrolidinoheptaphenone is a Schedule I Controlled Substance. α-PHP α-PHiP α-PCyP 4F-PV9...

α-Amylase is an enzyme (EC 3.2.1.1; systematic name 4-α-D-glucan glucanohydrolase) that hydrolyses α bonds of large, α-linked polysaccharides, such as...

α-Cyclodextrin (alpha-cyclodextrin), sometimes abbreviated as α-CD, is a hexasaccharide derived from glucose. It is related to the β- (beta) and γ- (gamma)...

α-Galactosylceramide (α-GalCer, KRN7000) is a synthetic glycolipid derived from structure-activity relationship studies of galactosylceramides isolated...