4-amino-4-oxobut-2-enoic acid

(Z)-4-Amino-4-oxobut-2-enoic acid (Maleamic acid) is a useful research chemical.

4-Vinylphenol is the metabolite of p-coumaric and ferulic acid by lactic acid bacteria in wine found in Hedyotis diffusa Willd. 4-Vinylphenol induces apoptosis in vivo.

4-Methyl-6-Methoxycoumarin is a natural product isolated from Eupatorium pauciflorum.

2-Amino-2-dichlorobenzophenone is an aromatic natural compound that has been used to study the effects of various compounds on cell metabolism, protein synthesis and enzyme activity. It has also been used in the synthesis of drugs, such as antitumor drugs and anti-inflammatory agents.

4-Methylcatechol (3,4-Dihydroxytoluene) is a metabolite of homoprotocatechuic acid. It is both a substrate and a suicide inhibitor of Catechol 2,3-dioxygenase. 4-Methylcatechol (3,4-Dihydroxytoluene) is known to induce the production of brain-derived neurotrophic factor (BDNF). Recent studies have suggested that a lack of brain-derived neurotrophic factor (BDNF) in the limbic system may cause neuropathic pain.

4-Methylesculetin (Methylesculetin) is one of the coumarin derivatives with great anti-oxidant and anti-inflammatory activities.

2-(4-Methoxyphenyl)acetic acid, a plasma metabolite, is highly sensitive and specific and can be used as a bioindicator to differentiate non-small cell carcinoma patients from healthy controls.

2-Furoic acid (Furan-2-carboxylic acid) 2-Furoic acid can reduce serum cholesterol and triglyceride levels and has anti-lipidemic effects.

L-Ascorbic acid 2-phosphate trisodium (Sodium ascorbyl phosphate) is used in biocatalytic dephosphorylation for electric power generation and electrochemical detection assays.

4-Methoxycinnamic acid is an unusual phenylpropanoid involved in phenylphenalenone biosynthesis in Anigozanthos preissi.

(2-Aminoethyl)phosphonic acid (2-Aminoethylphosphonic acid) is primarily detected in urine. (2-Aminoethyl)phosphonic acid participates in many enzymatic reactions and is also the parent compound of other transformation products, including but not limited to ceramide 2-(methylamino)ethylphosphonate, N-(2-phosphineethyl)cholamide and CMP-2-aminoethylphosphonate.

Pinocembrin 7-O-[3''-O-galloyl-4'',6''-hexahydroxydiphenoyl]-β-D-glucoside can moderately inhibit α-amylase activity, with the IC50 value of 0.03 umol/ml.

4-Hydroxy-6-methylcoumarin (4-HMC) is a naturally occurring phenolic compound, a derivative of coumarin, found in a variety of plants, fungi, and bacteria. It has anti-inflammatory and anti-tumor activity.4-HMC is used as a flavoring agent, preservative and antioxidant in the food industry.

3-Hydroxy-1-(4-hydroxyphenyl)propan-1-one (3-Hydroxy-1-(4-hydroxyphenyl)-1-propanone) is a natural product derived from plant source.

2-Ketoglutaric acid is a key molecule in the tricarboxylic acid cycle,is also connected to glutamic acid and glutamine metabolisms through the transamination reactions.

(E)-3-(4-Methoxyphenyl)acrylic acid is a small molecule compound isolated from the rhizome of Etlingera pavieana (Pierre ex Gagnep.) R. M. Sm. It is a novel α-glucosidase inhibitor. (E)-3-(4-Methoxyphenyl)acrylic acid has hepatoprotective activity, antiamnesic activity, enhances cognitive effects, and can be used to lower blood pressure sugar.

4-tert-Octylphenol, an endocrine-disrupting chemical with estrogenic properties, notably induces apoptosis in offspring mouse brain neuronal progenitor cells. This compound decreases levels of bromodeoxyuridine (BrdU), mitotic marker Ki67, and phospho-histone H3 (p-Histone-H3), thereby diminishing the proliferation of neuronal progenitors. Consequently, 4-tert-Octylphenol adversely affects brain development and behavior in mice.

4-Hydroxybenzyl alcohol (P-Methylolphenol) exhibits beneficial effects in cerebral ischemic injury, has neuroprotective effect through upregulation of Nrf2, Prdx6, and PDI expression via the PI3K/Akt pathway. 4-Hydroxybenzyl alcohol inhibit the development of new blood vessels by targeting multiple mechanisms of the angiogenic process, may as a promising candidate for the establishment of anti-angiogenic treatment strategies in cancer therapy.

8-Amino-1-Naphthalenesulfonic Acid is a naphthalene derivative used as a fluorescent dye and as a reagent in organic synthesis. It is a highly fluorescent compound with a high Stokes shift, making it an ideal fluorescent marker for a wide range of biological systems.

2-Acetylbenzoic acid is more potent than 2-propionyloxybenzoic acid in inhibiting platelet function and platelet prostaglandin (PG) synthesis although the potencies of these agents were comparable in inhibiting prostacyclin (PGI2) synthesis.

Trans-2-butene-1,4-dicarboxylic acid (3-Hexenedioic Acid) is a normal human unsaturated dicarboxylic acid metabolite with increased excretion in patients with Dicarboxylic aciduria caused by fatty acid metabolism disorders The urinary excretion of Trans-2-butene-1,4-dicarboxylic acid is increased in conditions of augmented mobilization of fatty acids or inhibited fatty acid oxidation.

Methyl (E)-4-hydroxycinnamatee is found in several plants such as onion or Morinda citrifolia. It induces apoptosis in combination with Carnosic Acid and kills acute myeloid leukemia cells. It has antioxidant and antibacterial activity.

4-Methoxycoumarine has antitumour effects.

4-Ethoxycoumarin has antimicrobial activity.

4-Decanol, a compound isolated from the roots of Valeriana jatamansi Jones and Epilobium angustifolium L., may have anti-inflammatory and antioxidant activities.

4-Methylbiphenyl (4-Phenyltoluene) is a human endogenous metabolite.

2-Ethylhexyl trans-4-methoxycinnamate is a sunscreen agent.

Maltotriose is an inducer of E. coli maltose regulator, the second most abundant sugar in brewing. It induces beta-galactosidase synthesis.

2-Methylhexanoic acid is a flavouring ingredient.

4-Hydroxybenzyl cyanide (4-Hydroxyphenylacetonitrile) shows strong antioxidative activity.

Ethyl 4-hydroxyphenylacetate is a selective inhibitor of monoamine oxidase A.

2-Hydroxyhexanoic acid (2-Hydroxycaproic acid) is a branched-chain alpha-keto acid that has been reported in normal human blood and in normal amniotic fluid. It has been found that 2-Hydroxyhexanoic acid is the most significant metabolite found in the CSF of patients infected with Nocardia.

2-Hydroxy-2-methylbutyric acid is an unusual metabolite found in the urine of patients with 2-hydroxyglutaric aciduria and maple syrup urine disease.

Resveratrol 4'-(6-galloylglucoside) (Resveratrol-4'-O-(6 -galloyl)glucoside) is a natural poduct found in the roots of rhubarb (Rheum palmatum L.).

1,3,5-Trimethyl-1H-Pyrazole-4-Carboxylic Acid (1,3,5-trimethylpyrazole-4-carboxylic acid) is a marine derived natural products found in Cinachyrella sp.

3,5-Dibromo-4-methoxybenzoic acid was isolated from the Malagasy sponge Amphimedon sp.

9-hydroxy-4-androstene-3,17-dione is a steroid hormone. It has anti-tumor activity and can inhibit the growth of many types of cancer cells, including breast, prostate and lung cancer cells.

4,5-Dibromo-1H-Pyrrole-2-Carboxylic Acid (4,5-Dibromo-2-pyrrolic acid) is a marine derived natural products found in Agelas oroides.

4-(Ethoxymethyl)phenol (p-Hydroxybenzyl Et ether) is a small molecule compound extracted from Amburana cearensis with cytotoxic and antioxidant activity.

4-Amino-5-Bromopyrrolo[2,3-D]Pyrimidine (5-bromo-1H-pyrrolo[2,3-d]pyrimidin-4-amine) is a marine derived natural products found in Echinodictyum sp.

4-Hydroxy-5-methyl-3-furanone (4-Hydroxy-5-methylfuran-3(2H)-one) is a natural product isolated from Eurycotis floridana.

4-METHOXYCHALCONE (2-(4-Methoxybenzal)Acetophenone) is a natural compound that enhanced adipocyte differentiation,

4-Acetamidobenzenesulfonyl azide is used in a variety of scientific research applications, including the synthesis of drugs, peptides and other biologically active molecules. It is also used as a catalyst in polymerization reactions and polymer synthesis.

4-Hydroxy-3-Nitrobenzyl Alcohol (4-(Hydroxymethyl)-2-nitrophenol) is a marine derived natural products found in Phidolopora pacifica.

Thymosin β4 (Tβ4) is a thymic hormone with multiple and different intracellular and extracellular activities affecting wound healing, inflammation, fibrosis and tissue regeneration.

3-Feruloyl-4-caffeoylquinic acid is a chlorogenic acid isomer. Chlorogenic acids are relevant coffee quality markers, taste, and aroma precursors as well as important bioactive compounds.

2-Propen-1-one, 1-(2,6-dimethoxyphenyl)-3-(4-hydroxyphenyl)- can be used in studies about the inhibition against L-phenylalanine ammonia-lyase.

4-methoxylonchocarpin was isolated from the roots of Abrus precatorius as a potent anti-inflammatory compound. 4-methoxylonchocarpin inhibited NF-κB-activated TNF expression by inhibiting the binding of LPS to TLR4 in macrophages and suppressed TNBS-induced colitis in mice.

2',3',4'-Trimethoxyacetophenone is a raw material for the preparation of chalcone compounds with anti-inflammatory activity.

4-methyl-6-phenyl-2H-pyranone is derived from Scutellaria baicalensis Georgi and improves mitochondrial functionality to protect astrocytes against hydrogen peroxide-induced toxicity.