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Sigma-Aldrich

Dibenzocyclooctyne-N-hydroxysuccinimidyl ester

for Copper-free Click Chemistry

Synonym(s):

DBCO-NHS ester, DBCO-SE

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About This Item

Empirical Formula (Hill Notation):
C23H18N2O5
Molecular Weight:
402.40
MDL number:
MFCD24386367
UNSPSC Code:
12352108
PubChem Substance ID:
329766555
NACRES:
NA.22
Pricing and availability is not currently available.

form

solid

reaction suitability

reaction type: click chemistry
reagent type: cross-linking reagent

mp

149-157 (decomposition)

functional group

NHS ester

storage temp.

−20°C

SMILES string

O=C(CCC(ON(C(CC1)=O)C1=O)=O)N2CC3=C(C=CC=C3)C#CC4=C2C=CC=C4

InChI

1S/C23H18N2O5/c26-20(13-14-23(29)30-25-21(27)11-12-22(25)28)24-15-18-7-2-1-5-16(18)9-10-17-6-3-4-8-19(17)24/h1-8H,11-15H2

InChI key

XCEBOJWFQSQZKR-UHFFFAOYSA-N

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General description

DBCO-NHS ester is commonly used in bioconjugation. It consists of an NHS ester that reacts with primary amines on biomolecules and an alkyne group that allows for a specific reaction with molecules containing azides. This reaction is carried out through a copper-free click chemistry process called strain-promoted alkyne-azide cycloaddition.[1]

Application

Dibenzocyclooctyne-N-hydroxysuccinimidyl ester is commonly used:
  • In the modification and labeling of biomolecules such as antibodies and streptavidin by introducing DBCO groups onto their surfaces[2]
  • As a cross linker to conjugate peptide antigens onto the surface of poly(lactic-co-glycolic acid) (PLGA) nanoparticles[3]

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
MKCX3186
MKCW7467
MKCV7905
MKCV7904
MKCV4188

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Articles

Copper-Free Click Chemistry

Copper-free click chemistry is an alternative approach to click chemistry that proceeds at a lower activation barrier and is free of cytotoxic transition metal catalysts.

Copper-Free Click Chemistry

Copper-free click chemistry is an alternative approach to click chemistry that proceeds at a lower activation barrier and is free of cytotoxic transition metal catalysts.

Copper-Free Click Chemistry

Copper-free click chemistry is an alternative approach to click chemistry that proceeds at a lower activation barrier and is free of cytotoxic transition metal catalysts.

Copper-Free Click Chemistry

Copper-free click chemistry is an alternative approach to click chemistry that proceeds at a lower activation barrier and is free of cytotoxic transition metal catalysts.

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Questions

1–2 of 2 Questions  

  1. 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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  2. 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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