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
14668
Ellagic acid
analytical standard
Synonym(s):
4,4′,5,5′,6,6′-Hexahydroxydiphenic acid 2,6,2′,6′-dilactone, Alizarin Yellow, Benzoaric acid, Elagostasine, Eleagic acid, Gallogen, Lagistase
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| Size/SKU | Availability | Price |
|---|
About This Item
grade
analytical standard
Quality Segment
assay
≥95.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
impurities
≤12% water
application(s)
food and beverages
format
neat
storage temp.
2-8°C
SMILES string
Oc1cc2C(=O)Oc3c(O)c(O)cc4C(=O)Oc(c1O)c2-c34
InChI
1S/C14H6O8/c15-5-1-3-7-8-4(14(20)22-11(7)9(5)17)2-6(16)10(18)12(8)21-13(3)19/h1-2,15-18H
InChI key
AFSDNFLWKVMVRB-UHFFFAOYSA-N
General description
Application
Biochem/physiol Actions
Packaging
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - | technique(s) - | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| application(s) food and beverages | application(s) metabolomics | application(s) - | application(s) food and beverages |
| format neat | format - | format - | format neat |
| Quality Level 100 | Quality Level 200 | Quality Level - | Quality Level 100 |
| grade analytical standard | grade - | grade primary reference standard | grade analytical standard |
| storage temp. 2-8°C | storage temp. - | storage temp. - | storage temp. 2-8°C |
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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What is the best solvent to use in HPLC analysis?
1 answer-
Ellagic acid can be dissolved in 70% methanol at a concentration of 0.1 mg/mL for HPLC analysis.
https://www.sigmaaldrich.com/technical-documents/chromatograms/hplc/hplc-uv-analysis-of-emblica-compounds-on-an-ascentis-express-phenyl-hexyl-2-1-mm-i-d-column/supelco/app225Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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