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
A9256
L-Aspartic acid
≥98% (HPLC)
Sinonimo/i:
(S)-(+)-Aminosuccinic acid, (S)-Aminobutanedioic acid
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| Voi/SKU | Disponibilità | Prezzo |
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Informazioni su questo articolo
Nome del prodotto
L-Aspartic acid, reagent grade, ≥98% (HPLC)
grade
reagent grade
Quality Segment
assay
≥98% (HPLC)
form
powder, crystals or chunks
color
white to off-white
mp
>300 °C (dec.) (lit.)
solubility
H2O: 5 mg/mL, 0.5 M HCl: 50 mg/mL (with heat), 1 M NaOH: 50 mg/mL
SMILES string
N[C@@H](CC(O)=O)C(O)=O
InChI
1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m0/s1
InChI key
CKLJMWTZIZZHCS-REOHCLBHSA-N
Gene Information
human ... CA1(759), CA2(760)
rat ... Grin2a(24409)
Application
Biochem/physiol Actions
1 of 1
Questo articolo | |||
|---|---|---|---|
| description reagent grade, ≥98% (HPLC) | description from non-animal source, meets EP, USP testing specifications, suitable for cell culture, 98.5-101.0% | description phyproof® Reference Substance | description certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland |
| grade reagent grade | grade - | grade primary reference standard | grade TraceCERT®, certified reference material |
| form powder, crystals or chunks | form powder | form powder | form - |
| assay ≥98% (HPLC) | assay 98.5-101.0% | assay ≥98.0% (HPLC) | assay - |
| color white to off-white | color white to off-white | color - | color - |
| mp >300 °C (dec.) (lit.) | mp >300 °C (dec.) (lit.) | mp >300 °C (dec.) (lit.) | mp >300 °C (dec.) (lit.) |
| solubility H2O: 5 mg/mL, 1 M NaOH: 50 mg/mL, 0.5 M HCl: 50 mg/mL (with heat) | solubility 1 M HCl: 100 mg/mL | solubility - | solubility - |
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Classe di stoccaggio
11 - Combustible Solids
Punto di infiammabilità (°F)
Not applicable
Punto di infiammabilità (°C)
Not applicable
DPI (dispositivi di protezione individuale)
dust mask type N95 (US), Eyeshields, Gloves
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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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