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Description
Hydantoin from TCI is a five-membered heterocyclic compound known as imidazolidine-2,4-dione, and it serves as the parent scaffold for the entire family of hydantoin derivatives. In organic synthesis and medicinal chemistry laboratories, this material functions as a fundamental building block that provides a ready-to-modify ring bearing two carbonyl groups and two amide nitrogen atoms. Its role is significant because a great many biologically active molecules, including anticonvulsant agents such as phenytoin, are constructed upon this same hydantoin core. Having the parent compound on hand allows researchers to begin a synthetic route from a clean, well-characterised starting material rather than from an intermediate they must prepare themselves.
The characteristics that make hydantoin such a widely chosen starting material begin with the high stability of its ring under ordinary handling conditions. It is a white crystalline solid, which makes it straightforward to weigh out accurately for reaction planning. The amide nitrogen atoms are sufficiently acidic to be deprotonated and then alkylated in a controlled manner, giving chemists a reliable handle for introducing substituents. The carbon positioned between the two carbonyl groups is likewise active towards condensation, so the ring can be extended into arylidene derivatives or alkyl-substituted analogues. Good solubility in water further broadens the range of reaction and workup conditions available.
In Indonesian laboratories, this material is typically used in university and institutional research groups working on heterocyclic synthesis, medicinal chemistry, and the preparation of compound libraries for biological screening. It suits settings where a dependable parent heterocycle is needed as the departure point for multi-step routes, and where teaching or postgraduate work requires a well-defined scaffold whose chemistry is thoroughly documented. Research supported by TCI-grade starting materials allows results to be reproduced consistently between batches and between laboratories.
Laboratory Applications
Synthesis of hydantoin derivatives — the parent ring provides two modifiable nitrogen atoms and an active methylene carbon, allowing chemists to build a diverse derivative series from one common, well-characterised starting point.
Medicinal chemistry scaffold work — because the hydantoin core appears in anticonvulsant agents such as phenytoin, this compound lets research groups explore structure-activity relationships directly from the biologically relevant parent framework.
N-alkylation studies — the amide nitrogen atoms are acidic enough to be deprotonated cleanly, so this material serves as a dependable substrate for controlled alkylation experiments and for optimising selective substitution conditions.
Knoevenagel-type condensation reactions — the carbon situated between the two carbonyl groups is reactive towards condensation, making this compound a convenient substrate for preparing arylidene hydantoins under standard laboratory conditions.
Compound library preparation for screening — its stability, crystalline handling character, and good aqueous solubility make it practical for the repeated, parallel small-scale reactions that library synthesis and subsequent biological evaluation require.
Specifications
Brand: TCI (Tokyo Chemical Industry)
CAS Number: 461-72-3
Category: Chemistry > Building Blocks > Heterocyclic Building Blocks
Physical form: white crystalline solid
Pack sizes: available in standard laboratory research pack sizes; please confirm the currently offered packaging when ordering
Storage: keep in a tightly closed container in a cool, dry, well-ventilated area
Handling and Storage
Store hydantoin in its original tightly closed container in a cool, dry and well-ventilated area, kept away from moisture and from incompatible reagents such as strong oxidising agents. Amber glass or the manufacturer's supplied container is suitable; reseal promptly after each use to limit exposure to atmospheric humidity, since the material is water soluble. Handle in a fume hood using standard laboratory personal protective equipment — safety goggles, gloves and a laboratory coat — and avoid generating or inhaling dust while weighing. Wash hands thoroughly after handling, label all secondary containers clearly, and consult the manufacturer's safety data sheet before first use and before disposal.
