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
A8625
N-Acétyl-D-glucosamine
≥99% (HPLC)
Synonyme(s) :
2-Acétamido-2-désoxy-D-glucose, D-GlcNAc
Sélectionner une taille de conditionnement
| À vous/Référence | Disponibilité | Prix |
|---|
A propos de cet article
biological source
crab (red)
Quality Segment
assay
≥99% (HPLC)
form
powder
technique(s)
HPLC: suitable
color
white to off-white
mp
211 °C (dec.) (lit.)
solubility
H2O: 50 mg/mL, clear to very slightly hazy (colorless to faint yellow solution)
application(s)
advanced drug delivery
storage temp.
−20°C
SMILES string
CC(=O)N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O
InChI
1S/C8H15NO6/c1-3(11)9-5-7(13)6(12)4(2-10)15-8(5)14/h4-8,10,12-14H,2H2,1H3,(H,9,11)/t4-,5-,6-,7-,8?/m1/s1
InChI key
OVRNDRQMDRJTHS-RTRLPJTCSA-N
General description
Application
- de sucre pour une inhibition compétitive dans une étude histochimique avec de la lectine.
- de constituant pour un milieu de Barbour-Stonner-Kelly (BSK) servant à cultiver des souches de spirochète Borrelia burgdorferi.
- comme constituant d'un tampon de liaison pour mettre en suspension des souches de Streptococcus pneumoniae destinées à un test d'inhibition visant à évaluer la spécificité de la liaison de la ficoline M au souches de S. pneumoniae.
Biochem/physiol Actions
Other Notes
1 of 1
Cet article | |||
|---|---|---|---|
| biological source crab (red) | biological source - | biological source - | biological source - |
| assay ≥99% (HPLC) | assay ≥95% (HPLC) | assay ≥95% (HPLC) | assay - |
| technique(s) HPLC: suitable | technique(s) - | technique(s) cell culture | mammalian: suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| solubility H2O: 50 mg/mL, clear to very slightly hazy (colorless to faint yellow solution) | solubility water: 50 mg/mL, clear to cloudy, colorless to faintly yellow | solubility - | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
| form powder | form powder | form powder | form - |
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Classe de stockage
11 - Combustible Solids
wgk
WGK 3
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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Helpful?
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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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What is the physicochemical method or principle used to determine optical rotation in this product, could you confirm that the product is released with polarimetry?
1 answer-
The method of analysis for this product is considered proprietary, however details and conditions are published in the Certificate of Analysis. See the link below for a sample CofA.
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/A8625-5G0000185218.pdfHelpful?
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