S4751 Sigma-Aldrich

Stearic acid

Grade I, ≥98.5% (capillary GC)

Synonym: 1-Heptadecanecarboxylic acid, C18:0, Cetylacetic acid, NSC 25956, NSC 261168, Octadecanoic acid, Stearophanic acid

  • CAS Number 57-11-4

  • Linear Formula CH3(CH2)16COOH

  • Molecular Weight 284.48

  •  Beilstein/REAXYS Number 608585

  •  EC Number 200-313-4

  •  MDL number MFCD00002752

  •  PubChem Substance ID 24899616

  •  NACRES NA.25



General description

Stearic acid is a C18 saturated fatty acid.


Stearic acid has been used in fatty acid preparations.

Biochem/physiol Actions

β-Oxidation of stearic acid yields eight FADH2 (flavin adenine dinucleotide) and NADH2 (nicotinamide adenine dinucleotide) molecules and nine acetyl-CoA molecules.

Safety & Documentation

Safety Information

Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
235.4 °F
Flash Point(C) 
113 °C


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles


FAMLS Online Plate Map

FAMLS compounds are conveniently provided at 5µg per well, enough for multiple injections. These are high purity (>95%) compounds supplied in an economical, ready to use format. Compounds are arrange...
Keywords: Metabolites

Lipid Induced Insulin Resistance

Obesity is a well-established risk factor for the development of insulin resistance. Obesity is associated with the increased deposition of lipids in non-adipose tissue with subsequent decreases in i...
Linda Stephenson, Ph.D.
Biofiles v6 n4, 9
Keywords: Angiogenesis, Antivirals, Apoptosis, Biological processes, Cardiovascular, Catalog, Catalysis, Cell culture, Cell proliferation, Deposition, Diabetes, Events, Gene expression, Growth factors, Hormones, Inflammation, Metabolism, Metabolites, Obesity, Phosphorylations, Physiological Processes, Reductions, Transcription, Transduction, Type

MSMLS Online Plate Map

Metabolite descriptors included with the software download upon purchase of the product include: Name, Parent CID, molecular formula, molecular weight, CAS, ChEBI, HMDB ID, PubChem Compound and Subst...
Keywords: Mass spectrometry, Metabolites

Related Content

Stearic Acid in Cell Culture

Importance and uses of stearic acid in serum-free eukaryotic, including hybridoma and Chinese Hamster Ovary (CHO) cell, cultures
Keywords: Cell culture, Culture media, Dehydrogenation, Lipid peroxidation, Peroxidations, Vitamins

Peer-Reviewed Papers


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