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List of articles in "Chemical Substance" category - Page 140

Chelidonic acid

Chelidonic acid is a heterocyclic organic acid with a pyran skeleton.Chelidonic acid can be prepared in two steps from diethyl oxalate and acetone:It occurs naturally in plants of the Asparagales […]


Quinclorac

Quinclorac is a selective herbicide used primarily to control weeds in rice crops but is also used on other agricultural crops and is found in some household herbicides for lawn […]


Perfluorobutanesulfonyl fluoride

Perfluorobutanesulfonyl fluoride (nonafluorobutanesulfonyl fluoride NfF) is a colorless volatile liquid that is immiscible with water but soluble in common organic solvents. It is prepared by the electrochemical fluorination of sulfolane. […]


Manganvesuvianite

Manganvesuvianite is a rare mineral with formula Ca19Mn3+(AlMn3+Fe3+)10(MgMn2+)2(Si2O7)4(SiO4)10O(OH)9. The mineral is red to nearly black in color. Discovered in South Africa and described in 2002 it was so named for […]


Trioctylphosphine

Trioctylphosphine is an organophosphorus compound with the formula P(C8H17)3 sometimes abbreviated TOP. It is a common reagent in the chemical synthesis of nanoparticles. Trioctylphosphine reacts with oxygen to form trioctylphosphine […]


4-Pyridylnicotinamide

4-Pyridylnicotinamide (4-pna) also known as N-(Pyridin-4-yl)nicotinamide is a kinked dipodal dipyridine which was originally developed for use in chemotherapy. As in its isomer 3-Pyridylnicotinamide the nitrogen atoms on its pyridine […]


N-Methylpseudoephedrine

N-Methylpseudoephedrine is a stimulant. It is a derivative of pseudoephedrine and an isomer of N-methylephedrine. It is present in ephedra.In organic chemistry it is used in asymmetric synthesis.


Codeine-N-oxide

Codeine-N-oxide (genocodeine) is an active metabolite of codeine. It is an opiate listed as a Schedule I controlled substance. It has a DEA ACSCN of 9053 and its annual manufacturing […]


Androstanedione

Androstanediones are a pair of isomeric steroids which differ at the 5-position. They are distinguished as 5α-androstanedione and 5β-androstanedione. In humans 5α-androstanedione is a metabolic precursor of both testosterone and […]


Oxabolone

Oxabolone is a synthetic anabolic steroid. It can be formulated as the cipionate ester prodrug oxabolone cipionate.Oxabolone is on the World Anti-Doping Agency’s list of prohibited substances and is therefore […]


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