Pentadecanoic Acid TCI P0035

Chemical Identity

CAS No.: 1002-84-2
PubChem: CID 13849·SID 87574310
Formula: C15H30O2
Molecular weight: 242.40 g/mol
Purity: >98.0%(GC)(T)
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: pentadecanoic acid
SMILES: CCCCCCCCCCCCCCC(=O)O
InChIKey: WQEPLUUGTLDZJY-UHFFFAOYSA-N

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CoA (Certificate of Analysis)

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Pentadecanoic Acid from TCI (product code P0035) is a saturated fatty acid with a fifteen-carbon chain (C15:0). It is an odd-chain fatty acid, and these are far less common in nature than even-chain fatty acids such as palmitic or stearic acid. In the laboratory, pentadecanoic acid has three main roles. It is used as an internal standard in fatty acid analysis and as a research compound in biochemistry and nutrition studies. It also serves as a surface ligand in nanocrystal synthesis, including colloidal quantum dot research, which is the category this product is listed under.

The odd-numbered carbon chain is what sets pentadecanoic acid apart. Most oil, fat, and biological tissue samples contain very little of it, so it works well as an internal standard. Its peak is easy to tell apart from other fatty acids in a chromatogram, which lets analysts correct for sample loss during extraction and derivatization. The carboxylate group can bind to metal and nanocrystal surfaces, and the saturated alkyl chain helps the particles stay dispersed in nonpolar solvents. Both properties matter in quantum dot and nanoparticle synthesis. Because the reagent is supplied by TCI, researchers get a consistent, well-documented chemical source.

In Indonesia, pentadecanoic acid is used by food analysis laboratories, quality control laboratories, and university and research institute groups working in biochemistry, nutrition, and materials science. Analytical laboratories add it as an internal standard when profiling fatty acids in edible oils, dairy products, and other food matrices. Materials science groups developing colloidal nanocrystals and quantum dots use it as a long-chain carboxylic acid ligand for controlling surface chemistry and dispersibility. AMI Scientific supplies TCI reagents to support this kind of routine and research work.

TCI brochures (PDF)

Colloidal Quantum Dot (QD) Research Reagents 2026-05-21 · p. 3
Lipids 2025-12-17 · p. 4
Building Blocks for Organic Semiconductor 2026-03-24 · p. 42

Related TCI products

Internal standard for fatty acid analysis: it is rare in most natural samples, so its chromatographic peak stays separate from the sample's fatty acids and supports accurate quantification.
Correcting sample loss in GC workflows: adding a known amount before extraction and derivatization lets analysts account for losses at each preparation step and get more reliable results.
Biochemistry and nutrition research: as an odd-chain saturated fatty acid, it is studied as a research compound in metabolic and dietary investigations of fatty acid behavior.
Colloidal quantum dot synthesis: the carboxylate group binds to nanocrystal surfaces and the C15 alkyl chain improves dispersion in nonpolar solvents during and after particle growth.
Metal and nanoparticle surface modification: researchers use it as a long-chain carboxylic acid ligand to tailor surface chemistry and to keep particles colloidally stable in organic media.

Brand	TCI (product code P0035)
CAS number	1002-84-2
Molecular formula	—
Purity	—
Category	Materials Science > Electronic Materials > Colloidal Quantum Dot (QD) Research Reagents
Pack sizes	available in TCI standard pack sizes; please confirm the options when you enquire
Physical form	refer to the product label and the TCI Certificate of Analysis
Storage	keep tightly closed in a cool, dry place, following TCI label guidance

Store pentadecanoic acid in its original, tightly sealed TCI container in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and strong oxidizing agents. If you move portions into other containers, use clean, dry, chemically compatible glass or suitable plastic vessels and label them clearly. Handle the material following good laboratory practice. Wear safety glasses, gloves, and a lab coat, avoid creating dust or contaminating the stock, and work in a fume hood when heating it or using it with organic solvents. Read the TCI Safety Data Sheet before use, and dispose of waste according to local regulations.

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