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910147

Sigma-Aldrich

Fluorescein Azide

≥95%

Synonym(s):

4-((3-Azidopropyl)carbamoyl)-2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoesäure, 6-Carboxyfluorescein Azide, 6-FAM azide, N-(3-azidopropyl)-3′,6′-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene]-6-carboxamide

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About This Item

Empirical Formula (Hill Notation):
C24H18N4O6
CAS Number:
1386385-76-7
Molecular Weight:
458.42
MDL number:
MFCD18426596
UNSPSC Code:
12352125
NACRES:
NA.22
Pricing and availability is not currently available.

Assay

≥95%

form

powder

reaction suitability

reaction type: click chemistry

storage temp.

−20°C

SMILES string

[N+](=[N-])=NCCCNC(=O)c1cc(c(cc1)C(=O)O)C2=C3C(=CC(=O)C=C3)Oc4c2ccc(c4)O

InChI

1S/C24H18N4O6/c25-28-27-9-1-8-26-23(31)13-2-5-16(24(32)33)19(10-13)22-17-6-3-14(29)11-20(17)34-21-12-15(30)4-7-18(21)22/h2-7,10-12,29H,1,8-9H2,(H,26,31)(H,32,33)

InChI key

SJAGNCADRVABJA-UHFFFAOYSA-N

Application

This 488nm absorbing dye is probably the most popular dye in cell biology and represents an alternative to Alexa Fluor 488 and the DyLight 488. Fluorescent dye azides can be used for the fluorescent labeling of terminal alkyne-modified molecules by the Cu(I)-catalyzed azide-alkyne (CuAAC) reaction (click reaction).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCN9304
MKCM7954
MKCM3649

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Philipp M E Gramlich et al.
Angewandte Chemie (International ed. in English), 47(44), 8350-8358 (2008-09-25)
The attachment of labels onto DNA is of utmost importance in many areas of biomedical research and is valuable in the construction of DNA-based functional nanomaterials. The copper(I)-catalyzed Huisgen cycloaddition of azides and alkynes (CuAAC) has recently been added to
Click-click-click: single to triple modification of DNA.
Philipp M E Gramlich et al.
Angewandte Chemie (International ed. in English), 47(18), 3442-3444 (2008-04-03)

Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

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

    1 answer

    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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