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
A0884
L-Asparagine
≥98% (HPLC)
Synonym(s):
(S)-2-Aminosuccinic acid 4-amide, L-Aspartic acid 4-amide
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
Product Name
L-Asparagine, ≥98% (HPLC)
Quality Segment
assay
≥98% (HPLC)
form
powder
color
white
mp
235 °C (dec.) (lit.)
application(s)
detection
SMILES string
N[C@@H](CC(N)=O)C(O)=O
InChI
1S/C4H8N2O3/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H2,6,7)(H,8,9)/t2-/m0/s1
InChI key
DCXYFEDJOCDNAF-REOHCLBHSA-N
Application
- to identify and quantify free amino acids released upon oxidation of proteins and peptides by hydroxyl radicals
- to study the effects of amino acids in promoting food consumption in Drosophila melanogaster
- to study non-enzymatic gluconeogenesis
Biochem/physiol Actions
1 of 1
This Item | |||
|---|---|---|---|
| form powder | form solid | form powder | form - |
| assay ≥98% (HPLC) | assay ≥98.0% (HPLC) | assay ≥98% (HPLC) | assay - |
| mp 235 °C (dec.) (lit.) | mp 235 °C (dec.) (lit.) | mp 235 °C (dec.) (lit.) | mp 235 °C (dec.) (lit.) |
| color white | color - | color white | color - |
| Quality Level 300 | Quality Level - | Quality Level 400 | Quality Level - |
| application(s) detection | application(s) - | application(s) agriculture | application(s) pharmaceutical (small molecule) |
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Storage Class
11 - Combustible Solids
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 |
|---|---|
| A0884-100G | 04061835365968 |
| A0884-25G | 04061835365982 |
| A0884-10MG | 04061832720371 |
| A0884-500G | 04061835365999 |
| A0884-1KG | 04061835365975 |
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How can I determine the shelf life / expiration / retest date of this product?
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Can this product used in media for bacterilogy
1 answer-
This product is likely suitable for bacteriological applications; however, no quality control testing for this specific use is performed, so suitability cannot be guaranteed. The end user must determine the appropriateness for this application. Here is one study in which the material was used as described: https://www.embopress.org/doi/full/10.1038/s44319-025-00447-z
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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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