104256
Ethyl p-toluenesulfonate
98%
Synonym(s):
Ethyl 4-methylbenzenesulfonate, Ethyl tosylate
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About This Item
Linear Formula:
CH3C6H4SO3C2H5
CAS Number:
Molecular Weight:
200.25
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-276-7
Beilstein/REAXYS Number:
611213
MDL number:
Assay:
98%
Form:
solid
Quality Level
assay
98%
form
solid
refractive index
n20/D 1.511 (lit.)
bp
158-162 °C/10 mmHg (lit.)
mp
29-33 °C (lit.)
density
1.174 g/mL at 25 °C (lit.)
functional group
tosylate
SMILES string
CCOS(=O)(=O)c1ccc(C)cc1
InChI
1S/C9H12O3S/c1-3-12-13(10,11)9-6-4-8(2)5-7-9/h4-7H,3H2,1-2H3
InChI key
VRZVPALEJCLXPR-UHFFFAOYSA-N
Application
Ethyl p-toluenesulfonate was used in a study to develop a fast and accurate method for determination of residues of some common alkylating agents employed in drug synthesis by in situ derivatization–headspace–gas chromatography–mass spectrometry. Ethyl p-toluenesulfonate was used to develop an extraction method for methyl and ethyl esters of various sulfonic acids in active pharmaceutical ingredients using solid-phase microextraction coupled to GC/MS in the selected ion monitoring mode.
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
316.4 °F - closed cup
flash_point_c
158 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Roberto Alzaga et al.
Journal of pharmaceutical and biomedical analysis, 45(3), 472-479 (2007-08-28)
A simple, reliable and fast procedure for the simultaneous determination of residues of some common alkylating agents (AAs), such as mesylates, besylates, tosylates and sulfates, employed in drug synthesis, has been developed by in situ derivatization-headspace-gas chromatography-mass spectrometry. Pentafluorothiophenol is
Ivelisse Colón et al.
Journal of pharmaceutical and biomedical analysis, 39(3-4), 477-485 (2005-06-14)
The development, optimization and validation of an extraction method for methyl and ethyl esters of various sulfonic acids is presented. The extraction and determination of these esters in active pharmaceutical ingredients (APIs) was accomplished using solid-phase microextraction coupled to GC/MS
Olivier Barret et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 56(4), 586-591 (2015-02-24)
PET with selective adenosine 2A receptor (A2A) radiotracers can be used to study a variety of neurodegenerative and neuropsychiatric disorders in vivo and to support drug-discovery studies targeting A2A. The aim of this study was to describe the first in
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 104256-250G | 04061838671417 |
| 104256-50G | 04061838671455 |
| 104256-1KG | 04061837803413 |