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
10941
Methyl arachidate
analytical standard
Synonym(s):
Arachidic Acid Methyl Ester, Eicosanoic acid, methyl ester, Icosanoic Acid Methyl Ester, Methyl icosanoate, Arachidic acid methyl ester, Methyl eicosanoate
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
grade
analytical standard
Quality Level
assay
≥99.0% (GC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
bp
215-216 °C/10 mmHg (lit.)
mp
45-48 °C (lit.), 46-49 °C
format
neat
functional group
ester
shipped in
ambient
storage temp.
−20°C
SMILES string
CCCCCCCCCCCCCCCCCCCC(=O)OC
InChI
1S/C21H42O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(22)23-2/h3-20H2,1-2H3
InChI key
QGBRLVONZXHAKJ-UHFFFAOYSA-N
General description
Application
- Comparative analysis of gas chromatography-combustion-mass spectrometry and gas chromatography-flame ionization detector methods for the determination of fatty acid methyl esters (FAMEs) in biodiesel samples
- Gas chromatography-tandem differential mobility spectrometry (DMS) based separation and quantification of 16 methyl- and ethyl- fatty acid esters from biodiesel samples
- Analysis of coffee oil and residue obtained from roasted coffee beans to determine the composition of 11 fatty acids following their methyl esterification by gas chromatography coupled with a flame ionization detector (GC-FID)
- Separation and quantification of eight fatty acids after their derivatization to methyl esters in the oil extracted from the leaves of Abutilon hirtum (Lam.) by GC-MS
- Gas chromatography-mass spectrometry (GC-MS) based microanalysis of orchid seeds using direct transesterification for the determination of fatty acid methyl esters (FAMEs)
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - | technique(s) - | technique(s) - |
| format neat | format - | format - | format - |
| Quality Level 100 | Quality Level 200 | Quality Level 300 | Quality Level 200 |
| grade analytical standard | grade - | grade certified reference material, pharmaceutical secondary standard | grade - |
| storage temp. −20°C | storage temp. −20°C | storage temp. - | storage temp. −20°C |
| assay ≥99.0% (GC) | assay ≥99% (capillary GC) | assay - | assay ≥99% |
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 236128-25G | 04061838785473 |
| 10941-1G | 04061838688477 |
| 10941-5G | 04061838688484 |
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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