Histamine | C5H9N3 | CID 774 - PubChem
Histamine | C5H9N3 | CID 774 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Histamine - Wikipedia
Histamine is an organic nitrogenous compound involved in local immune responses communication, as well as regulating physiological functions in the gut and acting as a neurotransmitter for the brain, spinal cord, and uterus.
Histamine | Description & Facts | Britannica
Jan 8, 2025 · Histamine is chemically classified as an amine, an organic molecule based on the structure of ammonia (NH 3). It is formed by the decarboxylation (the removal of a carboxyl group) of the amino acid histidine.
Histamine - NIST Chemistry WebBook
Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript.
Histamine: A Messenger Molecule Within and Outside of the …
Chemical structure of histamine, illustrating the two tautomeric forms. The names of the nitrogen atoms are shown on the left tautomer, and the numbering scheme for carbon atoms is on the right . For example, N τ -methyl, N α -methyl and α-methylhistamine (more...)
Biochemistry, Histamine - StatPearls - NCBI Bookshelf
May 1, 2023 · Histamine is a biogenic amine synthesized from L-histidine exclusively by L-histidine decarboxylase, which uses pyridoxal-5’-phosphate as a cofactor. [4] . Histidine decarboxylase is widely expressed throughout various cells in the body, such as gastric mucosa, neurons, parietal cells, mast cells, and basophils.
Histamine Structure - C5H9N3 - Over 100 million chemical …
Histamine contains total 17 bond (s); 8 non-H bond (s), 5 multiple bond (s), 2 rotatable bond (s), 5 aromatic bond (s), 1 five-membered ring (s), 1 primary amine (s) (aliphatic), and 1 Imidazole (s). Learn more about chemical structure at Mol-Instincts.
Histamine | C5H9N3 - ChemSpider
ChemSpider record containing structure, synonyms, properties, vendors and database links for Histamine, 51-45-6, Imido, NTYJJOPFIAHURM-UHFFFAOYSA-N
Histamine - SpringerLink
Sep 13, 2022 · Histamine exerts its actions through four subtypes of guanine nucleotide (G) protein-coupled receptors (GPCR), H1, H2, H3, and H4. Histamine synthesis and release are regulated by feedback inhibition via H3 presynaptic and somatodendritic autoreceptors. Betahistine is a potent H3 antagonist and a partial H1 agonist.
What is Histamine? - News-Medical.net
Jul 14, 2023 · Its chemical structure includes two basic centres – one of them is an aliphatic amino group and the other is whichever nitrogen in the imidazole does not have a proton. In the body, the...