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Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula SiO2, commonly found in nature as quartz. In many parts of the...

Norethisterone, also known as norethindrone and sold under many brand names, is a progestin medication used in birth control pills, menopausal hormone...

Tetrahydrogestrinone (THG), known by the nickname The Clear, is a synthetic and orally active anabolic–androgenic steroid (AAS) which was never marketed...

The nickel–cadmium battery (Ni–Cd battery or NiCad battery) is a type of rechargeable battery using nickel oxide hydroxide and metallic cadmium as electrodes...

Epitiostanol, sold under the brand name Thiodrol, is an injected antiestrogen and anabolic–androgenic steroid (AAS) of the dihydrotestosterone (DHT) group...

Canrenone, sold under the brand names Contaren, Luvion, Phanurane, and Spiroletan, is a steroidal antimineralocorticoid of the spirolactone group related...

Isocyanic acid is a chemical compound with the structural formula HNCO, which is often written as H−N=C=O. It is a colourless, volatile and poisonous substance...

Furazabol (INNTooltip International Nonproprietary Name, JANTooltip Japanese Accepted Name) (brand names Frazalon, Miotalon, Qu Zhi Shu), also known as...

Calcium silicate can refer to several silicates of calcium including: 2CaO·SiO2, larnite (Ca2SiO4) 3CaO·SiO2, alite or (Ca3SiO5) 3CaO·2SiO2, (Ca3Si2O7)...

The Ramberg–Bäcklund reaction is an organic reaction converting an α-halo sulfone into an alkene in presence of a base with extrusion of sulfur dioxide...

Ozonide is the polyatomic anion O−3. Cyclic organic compounds formed by the addition of ozone (O3) to an alkene are also called ozonides. Inorganic ozonides...

Iron(II) selenide refers to a number of inorganic compounds of ferrous iron and selenide (Se2−). The phase diagram of the system Fe–Se reveals the existence...

Hypromellose (INN), short for hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used in eye drops, as well as an excipient...

Amino acid replacement is a change from one amino acid to a different amino acid in a protein due to point mutation in the corresponding DNA sequence....

19-Noretiocholanolone, also known as 5β-estran-3α-ol-17-one, is a metabolite of nandrolone (19-nortestosterone) and bolandione (19-norandrostenedione)...

The shredding of automobiles and major household appliances is a process where a hammermill acts as a giant tree chipper by grinding the materials fed...

Charge transfer coefficient, and symmetry factor (symbols α and β, respectively) are two related parameters used in description of the kinetics of electrochemical...

Colostrinin (also known as CLN, proline-rich polypeptides or PRP) is a naturally occurring mixture of proline-rich polypeptides derived from colostrum...

Agaric acid, also known as agaricin or 2-hydroxynonadecane-1,2,3-tricarboxylic acid, is an organic tricarboxylic acid (fatty acid) found in fungi, e.g...

Kifunensine is an alkaloid originally isolated from Kitasatosporia kifunense, an actinobacterium (formerly called an actinomycete). It is a neutral, stable...