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23240 Sigma-Aldrich

4-Nitrophenyl chloroformate

purum, ≥97.0% (AT)

Synonym: Chloroformic acid 4-nitrophenyl ester

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Properties

Related Categories Active Esters/Additives, Chemical Synthesis, Coupling, Synthetic Reagents
InChI Key   NXLNNXIXOYSCMB-UHFFFAOYSA-N
grade   purum
assay   ≥97.0% (AT)
bp   159-162 °C/19 mmHg(lit.)
mp   76-82 °C
  77-79 °C(lit.)
storage temp.   2-8°C

Description

Other Notes

Reagent for the synthesis of mixed, activated carbonates and thiocarbonates, activated urethanes, and other compounds

Same product — same quality — now Sigma-Aldrich brand

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3261 8 / PGII
WGK Germany 
3
Protocols & Articles

Articles

Coupling Reagents

In principle, the seemingly simple formation of a peptide bond can be accomplished using all the procedures available in organic chemistry for the synthesis of carboxylic acid amides. However, due to...
Matthias Junkers
Aldrich ChemFiles 2007, 7.2, 3.
Keywords: Acylations, Catalysis, Condensations, Dehydration reaction, Peptide synthesis, Racemizations, Solid phase peptide synthesis

Peer-Reviewed Papers
15

References

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