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
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P9386
Poly-L-Histidin
mol wt 5,000-25,000
Synonym(e):
L-Histidine homopolymer
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| Ihnen/SKU | Verfügbarkeit | Preis |
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Über diesen Artikel
form
powder or solid
Quality Segment
mol wt
5,000-25,000
color
white to light yellow
application(s)
cell analysis
storage temp.
−20°C
SMILES string
[N+H3][C@@H](Cc1[nH]cnc1)C(=O)[O-]
InChI
1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
InChI key
HNDVDQJCIGZPNO-YFKPBYRVSA-N
General description
Application
- as a polycation for the dispersion of multi-wall carbon nanotubes (MWCNTs)
- as a polyionic compound to investigate its ability to rupture extracellular enveloped virus membrane[1]
- in screening its anti-prion activity in cell based and in vivo anti-prion assay
Biochem/physiol Actions
Analysis Note
Other Notes
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| form powder or solid | form powder | form solid | form powder or crystals |
| storage temp. −20°C | storage temp. −20°C | storage temp. - | storage temp. - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| color white to light yellow | color white to very light yellow | color - | color white |
| mol wt 5,000-25,000 | mol wt ≥5000 | mol wt - | mol wt - |
| application(s) cell analysis | application(s) - | application(s) - | application(s) - |
Lagerklasse
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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Is this an oral product and if so, what is the recommended dose? If not, how is this product used?
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This product is intended for research use only. It is not suitable for any other purpose, which includes, but is not limited to, unauthorized commercial use, in vitro diagnostic use, or therapeutic use in humans or animals. Currently, there is no available product suitable for human use.
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Hello, I am interested in your product Poly-L-histidine (P9386). Could you please confirm what terminal groups are present at both the N- and C-termini of this polymer?
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This polymer has carboxyl and amino end groups. Further detailed studies have not been conducted.
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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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What is this product's pKa?
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The pKa value is not determined.
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