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
Wichtige Dokumente
49419
L-Glutamin
≥99.5% (NT), suitable for cell culture, BioUltra
Synonym(e):
(S)-2,5-Diamino-5-oxopentansäure, L-Glutaminsäure-5-amid, Levoglutamid
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About This Item
Empfohlene Produkte
Produktbezeichnung
L-Glutamin, BioUltra, ≥99.5% (NT)
Produktlinie
BioUltra
Qualitätsniveau
Assay
≥99.5% (NT)
Form
powder
Optische Aktivität
[α]20/D +33.0±1°, c = 5% in 5 M HCl
Methode(n)
cell culture | mammalian: suitable
Verunreinigungen
insoluble matter, passes filter test
≤0.5% foreign amino acids
Glührückstand (900 °C)
≤0.1% (as SO4)
Verlust
≤0.1% loss on drying, 110 °C
Farbe
white
pH-Wert
5.0-6.0 (25 °C, 0.1 M in H2O)
mp (Schmelzpunkt)
185 °C (dec.) (lit.)
Löslichkeit
H2O: 0.1 M at 20 °C, clear, colorless
Anionenspuren
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤200 mg/kg
Kationenspuren
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
λ
0.1 M in H2O
UV-Absorption
λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01
SMILES String
N[C@@H](CCC(N)=O)C(O)=O
InChI
1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m0/s1
InChIKey
ZDXPYRJPNDTMRX-VKHMYHEASA-N
Angaben zum Gen
rat ... Ggt1(116568)
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Anwendung
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Gloves, type N95 (US)
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 Antwort-
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How can I determine the shelf life / expiration / retest date of this product?
1 Antwort-
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/449/386/product-dating-information-mk.pdfHilfreich?
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Is the molecular weight of L-Glutamine 146.14 or 146.15? The label information changed.
1 Antwort-
Based on a molecular formula of C5H10N2O3, the molecular weight to seven significant figures is 146.1456. Over the years, this value may have been reported in Sigma-Aldrich documentation or on labels as either 146.15 (by rounding up) or 146.14 (by truncation). The material itself has not changed.
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What is the Department of Transportation shipping information for this product?
1 Antwort-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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