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
P3556
L-α-Phosphatidylcholine
egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder
Synonym(s):
1,2-Diacyl-sn-glycero-3-phosphocholine, 3-sn-Phosphatidylcholine, L-α-Lecithin, Azolectin, PC
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€71.00
€122.00
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biological source
egg yolk
Quality Level
type
Type XVI-E
Assay
≥99% (TLC)
form
lyophilized powder
functional group
phospholipid
lipid type
phosphoglycerides
shipped in
ambient
storage temp.
−20°C
SMILES string
[P](=O)([O-])(OC[C@H](OC(=O)CCCCCCC\C=C/C\C=C/CCCCC)COC(=O)CCCCCCCCCCCCCCC)OCC[N+](C)(C)C
InChI
1S/C42H80NO8P/c1-6-8-10-12-14-16-18-20-21-23-25-27-29-31-33-35-42(45)51-40(39-50-52(46,47)49-37-36-43(3,4)5)38-48-41(44)34-32-30-28-26-24-22-19-17-15-13-11-9-7-2/h14,16,20-21,40H,6-13,15,17-19,22-39H2,1-5H3/b16-14-,21-20-/t40-/m1/s1
InChI key
JLPULHDHAOZNQI-ZTIMHPMXSA-N
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1 of 4
This Item | P4279 | 61771 | P5394 |
|---|---|---|---|
| biological source egg yolk | biological source egg yolk | biological source egg yolk (dried) | biological source egg yolk (dried) |
| assay ≥99% (TLC) | assay ≥99% (TLC) | assay - | assay - |
| functional group phospholipid | functional group phospholipid | functional group phospholipid | functional group phospholipid |
| form lyophilized powder | form solution | form solid | form solid |
| storage temp. −20°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
| shipped in ambient | shipped in - | shipped in ambient | shipped in ambient |
General description
Application
- to form a thin lipid film used in Kupffer cell depletion by liposome-encapsulated clodronate[3]
- as a component of assay buffer used in γ-secretase in vitro assay[4]
- in the preparation of substrate mix for its use in HPLC (high performance liquid chromatography) assay of 5-lipoxygenase enzyme activity[5]
Biochem/physiol Actions
Packaging
Preparation Note
related product
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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Protocols
(soybean), ≥97%; L-α-Phosphatidylethanolamine from egg yolk, Type III, ≥97% (TLC), lyophilized powder; L-α-Phosphatidylcholine, from egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder; Sphingomyelin, from chicken egg yolk, ≥95%
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Product Information Sheet
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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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