omega-Heptalactam TCI H0525

TCI H0525 omega-Heptalactam is a cyclic lactam — an amide whose ring is formed by the closure of a seven-carbon amino acid chain. Compounds of this class hold an important position in organic chemistry because they combine a stable amide functional group with a medium-sized ring that carries its own characteristic ring strain. In the laboratory, this material serves as a non-heterocyclic building block for constructing larger molecular frameworks, as an intermediate in the synthesis of long-chain amine compounds, and as a model substrate in studies of the reactivity and conformation of medium-sized amide rings.

The characteristic that leads researchers to select this compound is its comparatively controllable ring-opening behaviour. Hydrolysis under acidic or basic conditions yields the corresponding open-chain amino acid, while ring-opening polymerisation makes it a monomer for the preparation of aliphatic nylon-type polyamides. The amide nitrogen can also be alkylated or acylated to give substituted lactam derivatives, and the carbonyl group can be reduced to a cyclic amine. This transformational flexibility is what allows a single material to serve several research directions at once.

In Indonesian laboratories, omega-Heptalactam is typically handled in university research groups, polymer and materials laboratories, and synthetic organic chemistry units that require reliable intermediates for multi-step preparations. It is generally used at bench scale for method development, comparative reactivity studies, and the preparation of derivatives that are subsequently carried forward into larger synthetic sequences. Because it is supplied as a defined reagent-grade material from TCI, it also suits teaching and demonstration work where consistent starting material quality matters.

• Non-heterocyclic building block synthesis: the intact lactam ring provides a defined carbon framework and a reactive amide handle, allowing chemists to extend it into larger target molecules without first constructing the ring themselves.
• Long-chain amine intermediate preparation: reduction of the lactam carbonyl converts the compound into a cyclic amine, giving a direct and economical route toward extended aliphatic amine structures for further functionalisation.
• Ring-opening polymerisation studies: as a medium-ring lactam monomer it can be opened and propagated into aliphatic polyamide chains of the nylon family, making it useful for polymer synthesis and kinetics work.
• Amide reactivity and conformation research: the medium-sized ring exhibits characteristic strain and restricted conformational behaviour, so it serves as a well-defined model substrate for mechanistic and spectroscopic investigation.
• Substituted lactam derivative preparation: the amide nitrogen readily undergoes alkylation or acylation, enabling researchers to generate focused libraries of N-substituted lactams from a single common starting material.

• Product code: H0525

Store the container tightly closed in a cool, dry, well-ventilated area away from direct sunlight, moisture, and sources of ignition, and keep it separated from strong acids, strong bases, and strong oxidising agents that could initiate unintended ring opening. The original manufacturer packaging is the most suitable container; if transfer is necessary, use clean, dry, chemically compatible glass or polyethylene vessels with secure closures and clear labelling. Handle the material in a fume hood using safety glasses, gloves, and a laboratory coat, avoid inhalation of dust or vapour, and use dry implements when weighing to prevent contamination of the stock. Consult the manufacturer's safety data sheet before first use and dispose of residues in accordance with institutional chemical waste procedures.

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