Skip to Content
MilliporeSigma
All Photos(1)

Documents

ALD00204

Sigma-Aldrich

2-Chloro-5-fluorosulfonyl-4-fluorobenzoic acid

95%

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C7H3ClF2O4S
Molecular Weight:
256.61
UNSPSC Code:
12352100
PubChem Substance ID:
329772634
NACRES:
NA.22

assay

95%

form

solid

reaction suitability

reaction type: click chemistry

mp

160-165 °C

SMILES string

FC1=C(S(=O)(F)=O)C=C(C(O)=O)C(Cl)=C1

InChI

1S/C7H3ClF2O4S/c8-4-2-5(9)6(15(10,13)14)1-3(4)7(11)12/h1-2H,(H,11,12)

InChI key

MZQDRBXCSOVJDM-UHFFFAOYSA-N

Application

Sulfonyl fluoride motif can be used as a connector for the assembly of -SO2- linked small molecules with proteins or nucleic acids.
This new click chemistry approach through sulfates is a complimentary approach to using amides and phosphate groups as linkers.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

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

Articles

SuFEx: Sulfonyl Fluorides that Participate in the Next Click Reaction

In collaboration with K. Barry Sharpless and coworkers, we offer a variety of sulfonyl fluoride reagents that undergo a “Click II” reaction.

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