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M6281

Sigma-Aldrich

Isostearic acid

≥97% (capillary GC)

Synonym(s):

16-Methylheptadecanoic acid

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25 MG
₩242,382

₩242,382

Available to ship onApril 07, 2025Details

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25 MG
₩242,382

About This Item

Empirical Formula (Hill Notation):
C18H36O2
CAS Number:
2724-58-5
Molecular Weight:
284.48
EC Number:
220-336-3
MDL number:
MFCD00044082
UNSPSC Code:
12352211
PubChem Substance ID:
24897089
NACRES:
NA.25

₩242,382

Available to ship onApril 07, 2025Details

Request a Bulk Order

Assay

≥97% (capillary GC)

form

powder

functional group

carboxylic acid

lipid type

saturated FAs

shipped in

ambient

storage temp.

2-8°C

SMILES string

CC(C)CCCCCCCCCCCCCCC(O)=O

InChI

1S/C18H36O2/c1-17(2)15-13-11-9-7-5-3-4-6-8-10-12-14-16-18(19)20/h17H,3-16H2,1-2H3,(H,19,20)

InChI key

XDOFQFKRPWOURC-UHFFFAOYSA-N

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Application

Isostearic acid (16-Methylheptadecanoic acid) is used in the synthesis of methyl-branched poly(hydroxyalkanoate)s, biosurfactants and silver nanoparticles.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK8649
BCCH3519
BCCD9440
BCBZ7197
BCBW4772

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Tomonori Oka et al.
Journal of immunology (Baltimore, Md. : 1950), 198(10), 3897-3908 (2017-04-09)
CXCL17 is expressed in a variety of cancers and promotes tumor progression by recruiting myeloid-derived suppressor cells (MDSCs). MDSCs suppress tumor immunity by attracting regulatory T cells (Tregs) into tumor sites through CCL5. In this study, we examined the role
Hsien-Te Hsieh et al.
Langmuir : the ACS journal of surfaces and colloids, 26(12), 10031-10035 (2010-03-20)
This approach provides a new technique to synthesize silver nanoparticles (AgNPs) using CO(2)-expanded liquids (CXLs) as the processing medium. A soluble form of silver carboxylate, silver isostearate (AgISt), was synthesized and characterized. The XRD and DSC analyses indicated that the
Richard D Ashby et al.
Applied microbiology and biotechnology, 85(2), 359-370 (2009-08-01)
Pseudomonas resinovorans, a known medium-chain-length (mcl-) poly(hydroxyalkanoate) (PHA) producer, was grown on 13-methyltetradecanoic acid (13-MTDA) and a mixture of isostearic acid (IA) isomers to produce methyl-branched mcl-PHA polymers. Shake-flask experiments revealed polymer productivities (the percent of the cell mass that
Veena T Kelleppan et al.
Langmuir : the ACS journal of surfaces and colloids, 34(3), 970-977 (2017-10-11)
Long-chain amidopropyl betaines are known for their ability to self-assemble into viscoelastic wormlike micellar structures. Here, we explore the effect of tailgroup molecular architecture on this process, comparing five molecules, each with C18 chains but different levels of unsaturation and
Tanya Sezin et al.
Journal of dermatological science, 94(1), 196-204 (2019-04-03)
GPR15 has been implicated in the pathogenesis of T cell-driven inflammation of the skin and the gut. Expression levels of the GPR15 ligand GPR15 L are increased in psoriatic skin and considered as potential biomarker for the treatment response to anti-IL-17
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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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