Skip to Content
Merck
All Photos(1)

Documents

806595

Sigma-Aldrich

APN-Azide

95%

Synonym(s):

3-(4-Azidophenyl)propiolonitrile, APN-N3

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C9H4N4
CAS Number:
Molecular Weight:
168.15
UNSPSC Code:
12352125
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

95%

form

powder

reaction suitability

reagent type: cross-linking reagent

mp

100 °C

functional group

azide

storage temp.

2-8°C

SMILES string

N#CC#CC1=CC=C(N=[N+]=[N-])C=C1

InChI

1S/C9H4N4/c10-7-1-2-8-3-5-9(6-4-8)12-13-11/h3-6H

InChI key

BDLXITYEYYHQNK-UHFFFAOYSA-N

Application

APN-Azide is a bifunctional crosslinker for thiol-to-alkyne coupling. This coupling can be performed with high selectivity in biological medium using mild reaction conditions.

Standard protein labeling procedure (cysteine labeling)
1. Dissolve the protein in the appropriate buffer* with pH 6.5-9.0 (e.g. PBS) at 1-10 mg/mL concentration.
2. Apply the appropriate amount of the stock solution of the reagent (1-5 molar eq. per free cysteine residue).
3. Incubate at room temperature for 2 hours.
4. If necessary, purify the protein-azide conjugate using size exclusion chromatography or ultrafiltration.
5. The conjugate can be readily coupled with alkyne-containing using standard click-chemistry protocols.
*Note: avoid thiol-containing buffers.

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Sergii Kolodych et al.
Bioconjugate chemistry, 26(2), 197-200 (2015-01-24)
Amine-to-thiol coupling is the most common route for the preparation of antibody-drug conjugates (ADC). It is usually achieved by using heterobifunctional reagents possessing an activated ester at one end and a maleimide group at the other. However, maleimide-based conjugates were

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service