Exact Mass: 128.0157
Exact Mass Matches: 128.0157
Found 92 metabolites which its exact mass value is equals to given mass value 128.0157,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
Barbituric acid
Barbituric acid or malonylurea or 6-hydroxyuracil is an organic compound based on a pyrimidine heterocyclic skeleton. It is an odorless powder soluble in water. Barbituric acid is the parent compound of barbiturate drugs, although barbituric acid itself is not pharmacologically active. The compound was discovered by the German chemist Adolf von Baeyer on December 4, 1864, the feast of Saint Barbara (who gave the compound its namesake), by combining urea and malonic acid in a condensation reaction. Malonic acid has since been replaced by diethyl malonate, as using the ester avoids the problem of having to deal with the acidity of the carboxylic acid and its unreactive carboxylate.
5-Hydroxy-2-furoic acid
5-Hydroxy-2-furoic acid belongs to the family of Furoic Acid Derivatives. These are organic compounds containing a furoic acid moiety, whose structure is characterized by a furan ring bearing a carboxylic acid group at the C2 or C3 carbon atom.
5-Hydroxyuracil
5-hydroxyuracil, also known as dihydropyrimidine-2,4,5(3h)-trione or isobarbituric acid, is a member of the class of compounds known as hydroxypyrimidines. Hydroxypyrimidines are organic compounds containing a hydroxyl group attached to a pyrimidine ring. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. 5-hydroxyuracil is slightly soluble (in water) and a very weakly acidic compound (based on its pKa). 5-hydroxyuracil can be found in broad bean, which makes 5-hydroxyuracil a potential biomarker for the consumption of this food product. 5-hydroxyuracil is an oxidized form of cytosine that is produced by the oxidative deamination of cytosines by reactive oxygen species. It does not distort the DNA molecule and is bypassed by replicative DNA polymerases. It can miscode for adenine and is potentially mutagenic .
1H-Imidazole-2-carboxaldehyde, 1-hydroxy-, 3-oxide (9CI)
Methylenesuccinate(2-)
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Citraconate(2-)
The dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of citraconic acid.
mesaconate(2-)
A dicarboxylic acid dianion that is the conjugate base of mesaconic acid.
5-hydroxyfuran-2-carboxylic acid
A hydroxy monocarboxylic acid that is furan substituted by a hydroxy group at position 5 and a carboxy group at position 2 respectively.
itaconate(2-)
A dicarboxylic acid dianion that results from the deprotonation of both of the carboxylic acid groups of itaconic acid.
glutaconate(2-)
A pentenedioate that is the dianion obtained by the deprotonation of both the carboxy groups of glutaconic acid.
Aminooxyacetic acid (hemihydrochloride)
Aminooxyacetic acid (Carboxymethoxylamine) hemihydrochloride is a malate-aspartate shuttle (MAS) inhibitor which also inhibits the GABA degradating enzyme GABA-T.
