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P5177

Methyl palmitate

≥99% (capillary GC)

Synonym(s):

n-Hexadecanoic acid methyl ester, Methyl hexadecanoate, Palmitic acid methyl ester

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About This Item

Linear Formula:
CH3(CH2)14CO2CH3
CAS Number:
Molecular Weight:
270.45
UNSPSC Code:
12352211
NACRES:
NA.25
PubChem Substance ID:
EC Number:
203-966-3
Beilstein/REAXYS Number:
1780973
MDL number:
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biological source

plant (palm)

Quality Segment

assay

≥99% (capillary GC)

form

solid

refractive index

n20/D 1.4512 (lit.)

bp

185 °C/10 mmHg (lit.)

mp

32-35 °C (lit.)

density

0.852 g/mL at 25 °C (lit.)

functional group

ester

lipid type

saturated FAs

shipped in

ambient

storage temp.

2-8°C

SMILES string

CCCCCCCCCCCCCCCC(=O)OC

InChI

1S/C17H34O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17(18)19-2/h3-16H2,1-2H3

InChI key

FLIACVVOZYBSBS-UHFFFAOYSA-N

Gene Information

human ... CNR1(1268), CNR2(1269)
rat ... Faah(29347)

General description

Methyl palmitate (PAME), a fatty acid ester of palmitic acid, is a muscurinic receptors antagonist.[1] Methyl palmitate functions as a vasodilator and relaxes the arterioles in retina upon electrical depolarization.[2] In the superior cervical ganglion, methyl palmitate modulates nicotinic receptor. Endogenous methyl palmitate modulates nicotinic receptor-mediated transmission in the superior cervical ganglion. PAME activates Kv7 channels and promotes perivascular adipose tissue.

Application

Methyl palmitate has been used to test impact of cerebral blood flow using laser doppler flowmetry (LDF) experiments and as a standard to determine retention indices (RIs) using gas chromatograph−mass spectrometer

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This Item
W509531143160350374
assay

≥99% (capillary GC)

assay

≥97%

assay

-

assay

-

functional group

ester

functional group

-

functional group

-

functional group

-

biological source

plant (palm)

biological source

Cocos nucifera, palm oil, synthetic

biological source

-

biological source

-

shipped in

ambient

shipped in

-

shipped in

-

shipped in

-

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

storage temp.

2-8°C

form

solid

form

-

form

-

form

-


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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113.0 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)



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Questions

1–2 of 2 Questions  
  1. 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/418/501/product-dating-information-06-25-mk.pdf

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  2. 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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