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Semicarbazide hydrochloride is used as urease substrate and MAO inhibitor. Derivatizing agent for carbonyl compounds as their semicarbazones which produces crystalline compounds with characteristic melting points. Also used in heterocyclic synthesis. Semicarbazone formation has been used to separate carbonyl compounds from mixtures by adsorption onto silica gel from a hydrocarbon solution. Regeneration is by hydrolysis with oxalic acid.
Phedias Diamandis et. al. Chemical genetics reveals a complex functional ground state of neural stem cells. Nature Chemical Biology. 2007, 3 (5), 268-273.
Fumiko Marttila-Ichihara; Karolien Castermans; Kaisa Auvinen; Mirjam G A Oude Egbrink; Sirpa Jalkanen; Arjan W Griffioen; Marko Salmi. Small-molecule inhibitors of vascular adhesion protein-1 reduce the accumulation of myeloid cells into tumors and attenuate tumor growth in mice. Journal of Immunology. 2010, 184 (6), 3164-3173.
Derivatizing agent for carbonyl compounds as their semicarbazones. Also used in heterocyclic synthesis. Semicarbazone formation has been used to separate carbonyl compounds from mixtures by adsorption onto silica gel from a hydrocarbon solution. Regeneration is by hydrolysis with oxalic acid: Tetrahedron, 37, 843 (1981).
Other reagents for the cleavage of semicarbazones include: Amberlyst® 15 in aqueous acetone: J .Chem. Soc., Perkin 1, 2563 (1988); Dowex® 50 in aqueous suspension: J. Org. Chem., 53, 878 (1988); CuSO4 in aqueous THF: J. Prakt. Chem., 322 1063 (1980).
Hazard Statements: H301-H315-H319-H335
Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P301+P310a-P305+P351+P338-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.