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C77007

Sigma-Aldrich

Cholesteryl chloroformate

95%

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25 G
399,00 zł
100 G
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About This Item

Wzór empiryczny (zapis Hilla):
C28H45ClO2
Numer CAS:
Masa cząsteczkowa:
449.11
Beilstein:
3223154
Numer WE:
Numer MDL:
Kod UNSPSC:
12352103
Identyfikator substancji w PubChem:
NACRES:
NA.23

399,00 zł


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Poziom jakości

Próba

95%

Formularz

liquid crystal

aktywność optyczna

[α]27/D −28°, c = 2 in chloroform

mp

115-117 °C (lit.)

temp. przejścia

crystalline phase to cholesteric phase 117.8 °C
cholesteric phase to isotropic phase 125.3 °C

ciąg SMILES

CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@H](CC[C@]4(C)[C@H]3CC[C@]12C)OC(Cl)=O

InChI

1S/C28H45ClO2/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(31-26(29)30)13-15-27(20,4)25(22)14-16-28(23,24)5/h9,18-19,21-25H,6-8,10-17H2,1-5H3/t19-,21+,22+,23-,24+,25+,27+,28-/m1/s1

Klucz InChI

QNEPTKZEXBPDLF-JDTILAPWSA-N

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Piktogramy

Corrosion

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

Klasyfikacja zagrożeń

Skin Corr. 1B

Kod klasy składowania

8A - Combustible corrosive hazardous materials

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Qinqin Yin et al.
Scientific reports, 6, 38582-38582 (2016-12-08)
N-methyl bromide of lidocaine (QX-314) is a potential local anaesthetic with compromised penetration through cell membranes due to its obligated positive charge. Liposomes have been widely used for drug delivery with promising efficacy and safety. Therefore we investigated the local
Mengliang Wu et al.
Experimental eye research, 197, 108124-108124 (2020-07-01)
Pterygium is a degenerative disease that characterized by excessive fibrovascular proliferation. To reduce the recurrence rate, surgery is the main strategy, in combination with adjacent procedures or adjunctive therapy. One of the most common adjunctive agents, mitomycin C (MMC), is
Mengjie Rui et al.
International journal of nanomedicine, 7, 3751-3768 (2012-08-14)
Natural high-density lipoproteins (HDL) possess important physiological functions to the transport of cholesterol from the peripheral tissues to the liver for metabolic degradation and excretion in the bile. In this work, we took advantage of this pathway and prepared two
Xuelei Pang et al.
Organic & biomolecular chemistry, 14(47), 11176-11182 (2016-11-12)
The facile tuning of the fluorescent properties of organogels is highly desirable for optical switches, light-emitting diodes, chemosensors and bioprobes. The design of organic molecules with multiple emission colors but only one molecular platform remains challenging. Herein, a new cholesterol-based
Qingjing Tian et al.
Drug delivery and translational research, 7(5), 642-653 (2017-07-12)
Tocopheryl polyethylene glycol 1000 succinate (TPGS) is considered a promising surfactant, but its high critical micelle concentration (CMC) limits its application. Cholesterol is hydrophobic, can act as a tumor-targeting ligand, and has strong binding ability with taxoids. Based on this

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    1. 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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    1 answer
    1. 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

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