TCI M0312 trans-3-Methyl-2-pentene, identified by CAS number 616-12-6, is a branched internal alkene supplied in the trans geometric configuration. It is the geometric partner of the corresponding cis isomer, and both belong to the non-heterocyclic building block family: simple hydrocarbon frameworks that are ready for further elaboration in a synthesis laboratory. Rather than serving as a finished reagent, this material functions as a starting skeleton that chemists carry forward through addition, oxidation, or reduction sequences to construct more complex target molecules.
The defining characteristic of this product is the trans arrangement across a trisubstituted double bond. That spatial arrangement places the two bulky groups on opposite sides of the alkene, which lowers steric hindrance and generally makes the molecule more stable than the cis form. This difference has a measurable influence on reaction rates, product ratios, and analytical separation behaviour. The electron-rich internal double bond remains reactive toward epoxidation, hydrogenation, acid-catalysed hydration, and ozonolysis, which makes the compound an informative model substrate whenever researchers want to connect structure with reactivity. TCI offers it in two pack options, 1 mL and 5 mL, so purchases can be matched to the scale of the experiment.
In Indonesian laboratories, this compound typically appears in university organic chemistry research groups, postgraduate synthesis work, and institutional research units that study alkene reactivity and stereochemistry. The two available pack sizes make it practical for settings where reagent budgets are allocated per project: the 1 mL size suits preliminary micro-scale trials or a single teaching demonstration, while the 5 mL size supports a longer series of reactions without repeat ordering. Its role is usually that of a well-defined reference substrate rather than a bulk process input.
Related TCI products
- Stereochemical comparison studies, where the trans isomer is run alongside its cis counterpart so that the effect of double bond geometry on reaction outcome can be isolated and measured directly.
- Epoxidation method development, since the electron-rich trisubstituted double bond reacts readily with peroxy reagents and the defined trans geometry gives a predictable starting point for evaluating stereochemical outcomes.
- Catalytic hydrogenation experiments, in which the internal alkene serves as a clean, structurally simple test substrate for assessing catalyst activity, selectivity, and reaction rate under varied conditions.
- Acid-catalysed hydration investigations, where the substituted double bond allows researchers to examine regiochemical preferences and carbocation behaviour on a small, well-characterised hydrocarbon framework.
- Ozonolysis and oxidative cleavage work, because cleaving this defined internal double bond yields predictable carbonyl fragments useful for teaching structure determination and for validating analytical workflows.
| Brand | TCI |
|---|---|
| CAS number | 616-12-6 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | 1 mL and 5 mL |
| Physical form | — |
| Storage | follow the storage conditions stated by the manufacturer on the product label and safety data sheet |
- Product code: M0312
Keep the container tightly closed and store it in a cool, well-ventilated area away from heat sources, open flames, and direct sunlight. Because the material is supplied in small liquid volumes, retain it in its original sealed container wherever possible, and use chemically compatible glassware and closures when transferring or subdividing it. Handle the compound in a functioning fume hood, wear safety glasses, gloves, and a laboratory coat, and avoid generating aerosols or leaving the container open longer than necessary. Consult the manufacturer's safety data sheet before first use, and follow institutional procedures for the collection and disposal of organic waste.
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