A very long-chain saturated fatty acid
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Product Categories

Product Type

Biochemicals
Lipids
Fatty Acids

Research Area

Lipid Biochemistry
Fatty Acids

Heneicosanoic Acid

Item No. 22593

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
CAS Number
2363-71-5
Synonyms
  • C21:0
  • FA 21:0
  • Heneicosylic Acid
Molecular Formula
C21H42O2
Formula Weight
326.6
Purity
≥98%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
Ethanol: 20 mg/mlEthanol:PBS(pH 7.2) (1:1): 0.5 mg/ml
SMILES
CCCCCCCCCCCCCCCCCCCCC(O)=O
InChi Code
InChI=1S/C21H42O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(22)23/h2-20H2,1H3,(H,22,23)
InChi Key
CKDDRHZIAZRDBW-UHFFFAOYSA-N
Side Chain Carbon Sum
21:0
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    100 mg

    $39

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    500 mg

    $106

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    1 g

    $193

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    Product Description

    Heneicosanoic acid is a very long-chain saturated fatty acid found in plants and animals, including human milk fat.1,2,3 It is also found in R. typhi and R. prowazaekii lipopolysaccharides.4

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Kumari, R., Mallavarapu, G.R., Jain, V.K., et al. Chemical composition of the fatty oils of the seeds of Cleome viscosa accessions. Nat. Prod. Commun. 7(10), 1363-1364 (2012).

    2. Horvat, R.J. Identification of some new minor acids from chicken skin lipids. Poult. Sci. 57(3), 827-828 (1978).

    3. Torres, A.G., Ney, J.G., Meneses, F., et al. Polyunsaturated fatty acids and conjugated linoleic acid isomers in breast milk are associated with plasma non-esterified and erythrocyte membrane fatty acid composition in lactating women. Br. J. Nutr. 95(3), 517-524 (2006).

    4. Amano, K.I., Williams, J.C., and Dasch, G.A. Structural properties of lipopolysaccharides from Rickettsia typhi and Rickettsia prowazekii and their chemical similarity to the lipopolysaccharide from Proteus vulgaris OX19 used in the Weil-Felix test. Infect. Immun. 66(3), 923-926 (1998).