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
L8000
L -Leucine
≥98% (HPLC), suitable for ligand binding assays
Synonyme(s) :
(S)-2-Amino-4-methylpentanoic acid
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| À vous/Référence | Disponibilité | Prix |
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A propos de cet article
Nom du produit
grade
reagent grade
Quality Segment
assay
≥98% (HPLC)
form
powder
technique(s)
ligand binding assay: suitable
impurities
isoleucine and methionine, essentially free
color
white to off-white
mp
>300 °C (lit.)
application(s)
peptide synthesis
SMILES string
CC(C)C[C@H](N)C(O)=O
InChI
1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
InChI key
ROHFNLRQFUQHCH-YFKPBYRVSA-N
Application
Biochem/physiol Actions
1 of 1
Cet article | |||
|---|---|---|---|
| description reagent grade, ≥98% (HPLC) | description from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0% | description certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | description EMPROVE® EXPERT, Ph. Eur., ChP, JP, USP |
| grade reagent grade | grade - | grade certified reference material, TraceCERT® | grade - |
| form powder | form powder | form - | form - |
| assay ≥98% (HPLC) | assay 98.5-101.0% | assay - | assay - |
| technique(s) ligand binding assay: suitable | technique(s) cell culture | mammalian: suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - |
| mp >300 °C (lit.) | mp >300 °C (lit.) | mp >300 °C (lit.) | mp 270-340 °C (decomposition) |
| color white to off-white | color white | color white | color - |
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Classe de stockage
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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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