Protoveratrine A (Brand Names : Pro-Amid; Protalba), is a purified
alkaloid from the rhizome of V. Album. m.p. 267-269. It is soluble in
chloroform, pyridine and hot alcohol.
PROPANDID Brand Names : Bayer-1420; FBA-1420; TH-2 180; WH-5668. Propanidid, b.p. 210-212°, is a pale greenish-yellow viscous liquid with a slight odour. It is very slightly soluble in water; miscible with alcohol, chloroform and ether. Propanidid has been used as an intravenous anaesthetic for rapid induction and for maintenance of anaesthesia of short duration
ΒΙΟΤΙΝ Brand Names : Vitamin H; Coenzyme R; Bios II; Bioepiderm; Anti-Egg white injury Factor; S/Skin Factor. Biotin is the growth factor present in minute amounts in every living cells. It plays an indispensable role in numerous naturally occurring carboxylation reactions. It occurs mainly bound to proteins or polypeptides. The richest sources are liver, kidney, pancreas, yeast and milk. The biotin content of cancerous tumors is higher than that of normal tissue. Biotin combines with the proteinaceous substance, avidin, in egg-white and becomes inactive. Biotin, m.p. 232-233°, is a white, crystalline powder which is very slightly soluble in water and in alcohol; insoluble in other common organic solvents; more soluble in hot water and in dilute alkali. The pure compound is stable to air and temperature; moderately acid and neutral solutions are stable for several months; alkaline solutions are less stable. Aqueous solutions are very susceptible to mold growth . Biotin ...
THIOPENTAL SODIUM Brand Names : Thiomebunal sodium; Penthiobarbital sodium; - Thiopentone sodium, Thionembutal; Pentothal sodium; Nesdonal sodium; Intraval sodium; Trapanal; Thiothal sodium; Thiopental sodium is a white to yellowish-white, hygroscopic powder with alliaceous, garlic-like odour. It is soluble in water (l in 1.5); partly soluble in alcohol; practically insoluble in ether and petroleum ether. Aqueous solutions are alkaline to litmus. Solutions decompose on standing; on boiling precipitation occurs. The drug is stored in airtight containers and protected from light. Uses : Thiopentone sodium is administered intravenously for the induction of anaesthesia and for hypnosis. Adverse Effect Coughing, sneezing, laryngeal spasm or bronchiospasm may occur as side
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