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249556

Sigma-Aldrich

2-Fluoro-1-methylpyridinium p-toluenesulfonate

<5% 2-hydroxy-1-methylpyridinium p-toluenesulfonate, technical grade, ≥90%

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About This Item

Linear Formula:
C6H7FN · C7H7O3S
CAS Number:
58086-67-2
Molecular Weight:
283.32
Beilstein/REAXYS Number:
4345357
EC Number:
261-108-3
MDL number:
MFCD00011983
UNSPSC Code:
12352005
PubChem Substance ID:
24855003
NACRES:
NA.22

grade

technical grade

assay

≥90%

form

solid

reaction suitability

reaction type: Coupling Reactions

impurities

<5% 2-hydroxy-1-methylpyridinium p-toluenesulfonate

mp

130-134 °C (lit.)

application(s)

peptide synthesis

SMILES string

C[n+]1ccccc1F.Cc2ccc(cc2)S([O-])(=O)=O

InChI

1S/C7H8O3S.C6H7FN/c1-6-2-4-7(5-3-6)11(8,9)10;1-8-5-3-2-4-6(8)7/h2-5H,1H3,(H,8,9,10);2-5H,1H3/q;+1/p-1

InChI key

HQWDKLAIDBOLFE-UHFFFAOYSA-M

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pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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D Narinesingh et al.
Analytical biochemistry, 188(2), 325-329 (1990-08-01)
Serum samples were analyzed for their urea content using fluorescence flow injection analysis incorporating an immobilized urease bioreactor and a gas permeable separator. The urease was immobilized under mild and facile conditions to a hydrophilic 2-fluoro-1-methylpyridinium-activated support. The ammonia released
D Narinesingh et al.
Analytical biochemistry, 194(1), 16-24 (1991-04-01)
Milk samples were analyzed for their lactose content using flow injection analysis and incorporating immobilized beta-galactosidase or beta-galactosidase/mutarotase and glucose oxidase/peroxidase bioreactors. These enzymes were immobilized, under mild conditions, on to a 2-fluoro-1-methylpyridinium salt-activated Fractogel support. The use of a
Tatsuya Higashi et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 825(2), 214-222 (2005-10-11)
A derivatization reagent, 2-hydrazino-1-methylpyridine, was developed for the liquid chromatography-electrospray ionization-mass spectrometry (LC-ESI-MS) of oxosteroids. The reagent quantitatively reacted with oxosteroids at 60 degrees C within 1h and the resulting derivatives of the mono-oxosteroids provided a 70-1600-fold higher sensitivity compared
N R Shenoy et al.
Journal of protein chemistry, 12(2), 195-205 (1993-04-01)
In previous studies aimed at the sequencing of peptides and proteins from the carboxy terminus, we have derivatized the C-terminus to a thiohydantoin using acetic anhydride and trimethylsilylisothiocyanate (TMS-ITC) and subsequently hydrolyzed it to form a shortened peptide capable of
Ying-Hsuan Lin et al.
Rapid communications in mass spectrometry : RCM, 21(13), 1973-1983 (2007-05-26)
Even in trace amounts, estrogens such as 17beta-estradiol (E2), estrone (E1), estriol (E3), and 17alpha-ethinyl estradiol (EE2) may have adverse effects on humans and the aquatic ecosystem. Therefore, it is essential to be able to measure trace amounts of steroid
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