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766313

Sigma-Aldrich

1H-Benzotriazole-1-sulfonyl azide

95%

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About This Item

Empirical Formula (Hill Notation):
C6H4N6O2S
CAS Number:
Molecular Weight:
224.20
MDL number:
UNSPSC Code:
12352202
PubChem Substance ID:
NACRES:
NA.22

Assay

95%

form

solid

mp

80-90 °C

storage temp.

−20°C

SMILES string

[N-]=[N+]=NS(=O)(=O)n1nnc2ccccc12

InChI

1S/C6H4N6O2S/c7-9-11-15(13,14)12-6-4-2-1-3-5(6)8-10-12/h1-4H

InChI key

AYOJLIHUPZVAHM-UHFFFAOYSA-N

Application

A crystalline and stable diazotransfer reagent to provide azides (from amines) and diazo species.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Alan R Katritzky et al.
The Journal of organic chemistry, 75(19), 6532-6539 (2010-09-10)
Benzotriazol-1-yl-sulfonyl azide, a new crystalline, stable, and easily available diazotransfer reagent provides N-(α-azidoacyl)benzotriazoles convenient for N-, O-, C- and S-acylations. The efficient syntheses of various amides, azido protected peptides, esters, ketones and thioesters is reported together with a wide range

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