[Contribution to the stability of tropicamide solutions (author's transl)]. 1982

R Pohloudek-Fabini, and E Martin, and V Gallasch

The course of the degradation of tropicamide solutions was elucidated. Thus, inter alia, intramolecular elimination of water leads to a compound comparable to apoatropine that the authors designated by atropicamide. Furthermore, methods are described that permit (after thin-layer chromatographic repartition) to detect and to determine quantitatively the active principle in the presence of its degradation products. Tropicamide is stable in aqueous solution; eye-drops prepared from such a solution (Mydrum) are stable for no less than 5 years.

UI MeSH Term Description Entries
D009883 Ophthalmic Solutions Sterile solutions that are intended for instillation into the eye. It does not include solutions for cleaning eyeglasses or CONTACT LENS SOLUTIONS. Eye Drop,Eyedrop,Eyedrops,Ophthalmic Solution,Eye Drops,Drop, Eye,Drops, Eye,Solution, Ophthalmic,Solutions, Ophthalmic
D011725 Pyridines Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.
D002626 Chemistry, Pharmaceutical Chemistry dealing with the composition and preparation of agents having PHARMACOLOGIC ACTIONS or diagnostic use. Medicinal Chemistry,Chemistry, Pharmaceutic,Pharmaceutic Chemistry,Pharmaceutical Chemistry,Chemistry, Medicinal
D004355 Drug Stability The chemical and physical integrity of a pharmaceutical product. Drug Shelf Life,Drugs Shelf Lives,Shelf Life, Drugs,Drug Stabilities,Drugs Shelf Life,Drugs Shelf Live,Life, Drugs Shelf,Shelf Life, Drug,Shelf Live, Drugs,Shelf Lives, Drugs
D012996 Solutions The homogeneous mixtures formed by the mixing of a solid, liquid, or gaseous substance (solute) with a liquid (the solvent), from which the dissolved substances can be recovered by physical processes. (From Grant & Hackh's Chemical Dictionary, 5th ed) Solution
D013056 Spectrophotometry, Ultraviolet Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Ultraviolet Spectrophotometry
D014331 Tropicamide One of the MUSCARINIC ANTAGONISTS with pharmacologic action similar to ATROPINE and used mainly as an ophthalmic parasympatholytic or mydriatic. Colircusi Tropicamida,Minims Tropicamide,Mydral,Mydriafair,Mydriaticum,Mydrum,N-Ethyl-N-(4-pyridylmethyl)tropamide,N-Ethyl-alpha-(hydroxymethyl)-N-(4-pyridinylmethyl)benzeneacetamide,Ocu-Tropic,Tropicacyl,Tropicamide Faure,Tropicamide Minims,Tropicamide Monofree,Tropicamide Monohydrochloride, (R)-Isomer,Tropicamide Monohydrochloride, (S)-Isomer,Tropicamide, (+-)-Isomer,Tropicamide, (R)-Isomer,Tropicamide, (S)-Isomer,Ocu Tropic,OcuTropic

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