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.pdf
Wichtige Dokumente
M70800
3-Methyl-1-phenyl-2-Pyrazolin-5-on
99%, for peptide synthesis
Synonym(e):
5-Methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-on
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About This Item
Produktbezeichnung
3-Methyl-1-phenyl-2-Pyrazolin-5-on, 99%
Assay
99%
Form
powder, crystals or chunks
bp
287 °C/265 mmHg (lit.)
mp (Schmelzpunkt)
126-128 °C (lit.)
Anwendung(en)
peptide synthesis
SMILES String
CC1=NN(C(=O)C1)c2ccccc2
InChI
1S/C10H10N2O/c1-8-7-10(13)12(11-8)9-5-3-2-4-6-9/h2-6H,7H2,1H3
InChIKey
QELUYTUMUWHWMC-UHFFFAOYSA-N
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Verwandte Kategorien
Anwendung
- As a reagent for the detection of reducing carbohydrates by ESI/MALDI-MS.[2]
- To improve the sensitivity of reducing mono- and oligo-saccharides for their subsequent determination using capillary zone electrophoresis.[3]
- For the precolumn derivatization of the monosaccharide components of Salvia miltiorrhiza, liguspyragine hydrochloride, and glucose injection prior to their analysis by high performance liquid chromatography (HPLC).[4]
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Acute Tox. 4 Oral - Eye Irrit. 2
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 1
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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Artikel
Glycans play a key role in protein structure and disease; representation on cell surfaces is the glycome.
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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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