This product is from shrimp shells and is an alpha-chitin. The catalog reference to 'beta' refers to the glycosidic bond type, not the polymorph. Shrimp shells are known to yield alpha-chitin.
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C7170
Chitin aus Garnelenschalen
practical grade, powder
Synonym(e):
Poly-(1→4)-β-N-acetyl-D-glucosamin
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
100 g | Warenkorb auf Verfügbarkeit prüfen | € 123,00 |
1 kg | Warenkorb auf Verfügbarkeit prüfen | € 830,00 |
Über diesen Artikel
CAS-Nummer:
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12352201
EC Number:
215-744-3
MDL number:
Technischer Dienst
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Unterstützung erhaltenbiological source
shrimp (Pandalus borealis)
Quality Segment
grade
practical grade
form
powder
color
white to beige
storage temp.
room temp
SMILES string
CC(=O)N[C@@H]1[C@H](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-WTZNIHQSSA-N
Application
Chitin aus Garnelenschalen eignet sich für die Analyse von Chitinase. Es handelt sich um ein Polysaccharid, das aus N-Acetyl-D-glucosamin besteht und auch für die Herstellung von Glucosamin und Chitosan verwendet werden kann.
Chitin aus Garnelenschalen, ein langkettiger Polymer aus β-1,4-verknüpften N-Acetylglucosamin-Resten, kann zur Untersuchung seiner physikochemischen Eigenschaften und seiner Rolle bei der Bildung der Exoskelette von Gliederfüßern genutzt werden. Es kann verwendet werden, um Chitinase(n) und Chitin-Deacetylase(n) zu identifizieren und zu charakterisieren, und dient bei der Untersuchung von Chitinstrukturen anderer Spezies als Kontrolle. Auch die Rolle von Chitin bei der Entstehung von Asthma und Allergien wird erforscht. Chitin kann als Viskositäts-/Verdickungsmittel oder Bindemittel verwendet werden.
Analysis Note
Requires purification prior to use as a substrate for chitinase.
Other Notes
Für einen umfassenden Überblick über unser vielfältiges Angebot an Polysacchariden für Ihre Forschung empfehlen wir Ihnen den Besuch unserer Seite zur Kategorie Kohlenhydrate.
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Dieser Artikel | |||
|---|---|---|---|
| description practical grade, powder | description BioReagent, suitable for analysis of chitinase, purified powder | description ≥95% (TLC) | description ≥98% (TLC) |
| grade practical grade | grade - | grade - | grade - |
| biological source shrimp (Pandalus borealis) | biological source shrimp (Pandalus borealis) | biological source - | biological source natural (inorganic) |
| Quality Level 200 | Quality Level 200 | Quality Level 300 | Quality Level 200 |
| form powder | form purified powder | form powder | form powder |
| storage temp. room temp | storage temp. - | storage temp. −20°C | storage temp. −20°C |
| color white to beige | color yellow to tan | color white | color white to light yellow |
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Lagerklasse
11 - Combustible Solids
Was ist los?
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
PSA (Persönliche Schutzausrüstung)
Eyeshields, Gloves, type N95 (US)
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Is this product alpha- or beta-linked chitin? Since it is made from shrimp I expected alpha chitin but the description says it is beta
1 answer-
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What's the degree of acetylation of this chitin?
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Unfortunately, the degree of acetylation is not a property that is tested for this product.
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Is there any value for the solubility of this chitin ?
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No specific solubility value is available for this product. Chitin is generally insoluble in water and most solvents. The usable form of chitin is prepared by dissolving this product in acid, filtering the insoluble matter, neutralizing the solution, and precipitating the product with alcohol. For a chitin product that doesn't require further purification, consider using product C9752.
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Can you please tell me which purity is meant with the term "practical grade"?
1 answer-
Practical grade is a common term for chemistry and biology reagents. This designation indicates that the product does not meet official standards and is not pure enough for food, pharmaceutical, or medicinal use. It is similar to technical grade.
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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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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Hi, May I know the density of the chitin flakes from shrimp shell?
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The density of this product is not determined. Generally, chitin is expected to have a density of approximately 1.37 g/cm^3.
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What is the molecular weight of chitin from shrimp shell? And the viscosity of the Chitin solution?
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Unfortunately, the molecular weight and viscosity are not determined for this product.
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Can you please tell me the size of the product Chitin from shrimp shells ( C7170). Can I use the Chitin for flow cytometry experiment? or do you have a smaller size of Chitin?
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Unfortunately, the particle size of this product, as well as the alternative C9752, has not been determined. These items are not tested for a specific application, including flow cytometry. Currently, the C7170 and C9752 are the only chitin products available.
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