3-Methylcrotonic Acid TCI M0543

Chemical Identity

CAS No.: 541-47-9
PubChem: CID 10931·SID 87572578
Formula: C5H8O2
Molecular weight: 100.12 g/mol
Purity: >98.0%(GC)(T)
Reference databases: ChEBI·ChemSpider·ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 3-methylbut-2-enoic acid
SMILES: CC(=CC(=O)O)C
InChIKey: YYPNJNDODFVZLE-UHFFFAOYSA-N

Rp 742.350,00

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3-Methylcrotonic Acid is a chemical compound widely used in laboratory settings for the synthesis of complex molecules. It serves as a fundamental building block in organic chemistry, enabling the creation of both heterocyclic and non-heterocyclic compounds. This versatile reagent is essential in research and development, where its ability to interact with various functional groups makes it a valuable tool for chemists. Its stability and moderate reactivity allow it to be used in a range of chemical reactions, including esterification, reduction, and substitution reactions.

The compound’s chemical properties make it a preferred choice for synthetic applications. Its simple molecular structure facilitates easy modification through various chemical transformations, making it ideal for the development of more complex compounds. The stability of 3-Methylcrotonic Acid ensures that it remains effective under a variety of reaction conditions, while its moderate reactivity allows for controlled chemical processes. These characteristics make it a reliable and efficient reagent for organic synthesis in both academic and industrial research environments.

In Indonesian laboratories, 3-Methylcrotonic Acid is commonly used in fields such as organic chemistry, pharmaceutical research, and material science. Its availability in different packaging options makes it convenient for use in both small-scale and larger laboratory settings. The compound is particularly relevant for drug development, industrial chemical production, and the synthesis of synthetic compounds. Its role in these areas highlights its importance as a key reagent in chemical research and innovation.

TCI brochures (PDF)

Terpenes 2025-09-22 · p. 3
Colloidal Quantum Dot (QD) Research Reagents 2026-05-21 · p. 5

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Organic synthesis is a key application where 3-Methylcrotonic Acid is used to build complex molecules through various chemical reactions.
Pharmaceutical research benefits from this compound as it is used in the development of new drugs and medicinal compounds.
Material science applications include the synthesis of polymers and other synthetic materials that require functional group modifications.
Industrial chemical production utilizes this reagent for the creation of specialized chemicals and intermediates.
Analytical chemistry laboratories use it as a standard reference material for testing and calibration purposes.

Brand	TCI
CAS number	541-47-9
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes	Available in various sizes to suit different laboratory needs
Physical form	Solid or liquid, depending on the specific product variant
Storage	Store in a cool, dry place away from direct sunlight

3-Methylcrotonic Acid should be stored in a cool, dry environment to maintain its chemical stability. It is recommended to keep the compound in a tightly sealed container to prevent exposure to moisture and air. Suitable storage containers include glass or high-density polyethylene (HDPE) bottles that are resistant to chemical degradation. In laboratory settings, it is important to handle the compound with care, using appropriate personal protective equipment such as gloves and safety goggles. Proper labeling of containers is essential to ensure safe handling and prevent accidental exposure. Regular monitoring of storage conditions helps maintain the integrity of the compound and ensures its effectiveness for research applications.

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