4pyridinecarboxaldehyde,2(2pyridinyl)hydrazone,[c(e)]

2',3'-cGAMP sodium (2'-3'-cyclic GMP-AMP sodium) is a second messenger in cellular innate immunity, catalyzed by cGAMP synthase (cGAS) under DNA binding conditions. It binds to STING to form a dimer, inducing the production and expression of interferon-β and other cytokines.

2-Deoxy-D-glucose (2-DG) is an analog of glucose, an inhibitor of glycolysis. 2-Deoxy-D-glucose has antiviral activity, as well as inhibitory cell proliferation and apoptosis-inducing activity.

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

2-Acetylthiazole (2-Acetylthiazole;2 Acetylthiazole) is used in the preparation of chiral alcohols, triazolothiazoles, it is also used in aldol condensation reactions.

2-Adamantanol (2-Hydroxyadamantane) was used to synthesize antiallergic drug Mizolastine.

2-Thiouracil (Deracil) is a thiolated uracil derivative that is a known anti-hyperthyroid agent.

2-Bromobiphenyl is a persistent organic pollutant (POP) found primarily in soil and water. It is a known human carcinogen and has been linked to a variety of health effects including reproductive and developmental toxicity.

2′-Deoxyadenosine 5′-monophosphate disodium (a nucleic acid AMP derivative) is a deoxyribonucleotide in DNA, used for studying adenosine-based interactions in DNA synthesis and damage analysis.

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

2'-Hydroxyacetophenone (o-Hydroxyacetophenone) is a phenolic compound used in the synthesis of potential anti-myobacterial and anticancer agents.

2-Methylbutyraldehyde (2-Ethylpropanal) is a short-chain aldehyde compound and one of the burnt aroma substances in Atractylodes rhizome slices.

L-Azetidine-2-carboxylic acid ((2S)-azetidine-2-carboxylic acid) is a toxic proline analogue produced by members of the Liliaceae and Agavaciae families.

2-Methylacetophenone is a human endogenous metabolite.

2-Isobutyl-3-methoxypyrazine (3-Isobutyl-2-methoxypyrazine) is a RIFM fragrance commonly used in the food and cosmetic industries.

2-Methylhexanoic acid is a flavouring ingredient.

Itaconic acid is a precursor for the synthesis of polymers, chemicals, and fuels, and has anti-inflammatory activity.Itaconic acid can be synthesized by fungi. It is also a macrophage-specific metabolite. It mediates crosstalk between macrophage metabolism and peritoneal tumors.

2-Methoxy-4-vinylphenol (2-Methoxy-4-vinylphenol) is a natural product.

2'-Deoxyuridine (2-deoxyuridine). An antimetabolite that is converted to deoxyuridine triphosphate during DNA synthesis. Laboratory suppression of deoxyuridine is used to diagnose megaloblastic anemias due to vitamin B12 and folate deficiencies.

5-Methyl-2'-deoxycytidine (5MedCyd) is a pyrimidine nucleoside that when incorporated into single-stranded DNA can act in cis to signal de novo.

2'-Deoxycytidine is one of the major nucleosides of DNA consisting of cytosine and deoxyribose and inhibits the biological effects of bromodeoxyuridine (Brdu). The nucleoside consists only of a pentose sugar attached to a purine or pyrimidine base and has no phosphate group. When N1 is attached to C1 of deoxyribose, deoxyribosides and nucleotides are formed from cytosine and deoxyribose; deoxycytidine monophosphate (dCMP), deoxycytidine diphosphate (dCDP), and deoxycytidine triphosphate (dCTP). cTP is the source of cytosine in RNA (ribonucleic acid) and deoxycytidine triphosphate (dCTP) is the source of deoxycytidine in DNA (deoxyribonucleic acid). Itaconic acid is a polymer.

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-Phenylbutanoic acid (2-Phenylbutyric acid) is used as an industrial intermediate.

Methyl 4-bromopyrrole-2-carboxylate (4-Bromo-2-(methoxycarbonyl)-1H-pyrrole) is a marine derived natural products found in Lissodendoryx sp.

2-Phenylglycine (DL-α-Phenylglycine) is a metabolite present in breast milk during lactation.

2-Isopropoxy-2-Phenylacetophenone is a natural compound, a derivative of benzoin. Benzoin is a naturally occurring benzaldehyde found in many plants.

trans-2-Undecenoic acid ((E)-Undec-2-enoic acid) ((E)-2-Undecenoic acid) is an α,β-unsaturated carboxylic acid characterized by acid dimers.

(R)-5-Oxopyrrolidine-2-carboxylic acid (D-Pyroglutamic acid) is a cyclic derivative of glutamic acid, physiologically present in mammalian tissues. It releases GABA from the cerebral cortex and exhibits anti-anxiety effects in a simple approach-avoidance conflict situation in rats. In clinical pharmacology experiments, it significantly shortens the plasma half-life of ethanol during acute intoxication.

2-Methoxypyrazine is a natural product.

2-Amino-3-hydroxypyridine as a chromogenic reagent for the spectrophotometric determination of osmium.

2-Methyl-4-pentenoic Acid (2-Methylpent-4-enoic acid) is a branched-chain fatty acid.

(E)-2-Methyl-2-pentenoic acid, characterized by its sweet berry-like aroma and flavor, is widely utilized in food flavoring.

Calcium 2-hydroxy-4-(methylthio)butanoate (Calcium 2-hydroxy-4-(calcium hydroxymethionine)) is a solid, water-soluble, weakly acidic nutrition enhancer (based on its pKa). This compound, also known as 2-Hydroxy-4-(methylthio)butanoic acid, has been primarily detected in urine and is mainly located in the cytoplasm and adiposome of cells.

2'-Hydroxy-5'-methoxyacetophenone (5-Methoxy-2-hydroxyacetophenone) is an active biochemical.

(E)-2-Butenoic acid (Crotonic acid) is fatty acid formed by the action of fatty acid synthases from acetyl-CoA and malonyl-CoA precursors. Crotonic acid is involved in the fatty acid biosynthesis. Crotonic acid is also found in water extracts from carrot seeds (Daucus carota L.).

(3S,4R,5S)-1,3,4,5,6-Pentahydroxyhexan-2-one (L(-)-Sorbopyranose) is a ketose monosaccharide.

2-Methylheptanoic Acid is a flavouring ingredient.

2-Allylphenol (NSC-1538) exhibits antifungal activity.

(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 with hepatoprotective, antiamnesic, and cognitive enhancement activities, and it can be used to lower blood pressure sugar.

3-Methyl-2-buten-1-ol (gamma-dimethylallylalcohol) is found in blackcurrant, ylang-ylang, hop oils, orange peel oil, and various fruits such as orange, lemon, lime, grape, pineapple, purple passion fruit, and loganberry. Prenol is a flavoring ingredient.

2-Hydroxy-4-methoxybenzaldehyde (4-Methoxysalicylaldehyde) is a chemical compound and an isomer of Vanillin. 2-Hydroxy-4-methoxybenzaldehyde(4-Methoxysalicylaldehyde) could be used to synthesis Urolithin M7. 2-hydroxy-4-methoxybenzaldehyde is a potent tyrosinase inhibitor from three East African medicinal plants, Mondia whitei, Rhus vulgaris Meikle, and Sclerocarya caffra Sond.

(Z)-4-Amino-4-oxobut-2-enoic acid (Maleamic acid) is a valuable compound for research applications.

2-Naphthol is a metabolite of naphthalene, catalyzed by cytochrome P450 isoforms (CYP 1A1, CYP 1A2, CYP 2A1, CYP 2E1, and CYP 2F2). 2-Naphthol is cytotoxic.

2-Aminoethanethiol (Cysteamine) is a Cystine Depleting Agent. The mechanism of action of cysteamine is as a Cystine Disulfide Reduction.

5-Methyl-2-thiophenecarboxaldehyde is a candidate microscopic third-order nonlinear optical (NLO) material.5-Methyl-2-thiophenecarboxaldehyde possesses a wide range of biological activities, such as anticancer activity.

2-Heptanol (s-Heptyl alcohol) is a chemical compound found in the essential oil extracted from the rhizome of Curcuma angustifolia and Curcuma zedoaria. The rhizome essential oil demonstrates noteworthy antimicrobial and antioxidant properties.

2-Hydroxyphenylacetic acid (Ortho-Hydroxyphenylacetic acid) can be found in a number of food items such as natal plum, lemon verbena, half-highbush blueberry, and parsley, which makes 2-Hydroxyphenylacetic acid a potential biomarker for the consumption of these food products. 2-Hydroxyphenylacetic acid (Ortho-Hydroxyphenylacetic acid) can be found primarily in blood, feces, and urine.

4-Methyl-2-oxopentanoic acid is an abnormal metabolite, a neurotoxin and a metabolic toxin.

(R)-pyrrolidine-2-carboxylic acid (D-Proline) is an isomer of the naturally occurring amino acid L-Proline. D-amino acids, including D-Proline, are found in relatively high abundance in human plasma and saliva, potentially originating from bacterial sources or endogenous production via amino acid racemase activity.