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M70800

Sigma-Aldrich

3-Methyl-1-phenyl-2-pyrazoline-5-one

99%, for peptide synthesis

Synonym(s):

Edaravone, 5-Methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

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About This Item

Empirical Formula (Hill Notation):
C10H10N2O
CAS Number:
89-25-8
Molecular Weight:
174.20
Beilstein:
609575
EC Number:
201-891-0
MDL number:
MFCD00003138
UNSPSC Code:
12352005
PubChem Substance ID:
24897140
NACRES:
NA.22

product name

3-Methyl-1-phenyl-2-pyrazoline-5-one, 99%

Assay

99%

form

powder, crystals or chunks

bp

287 °C/265 mmHg (lit.)

mp

126-128 °C (lit.)

application(s)

peptide synthesis

SMILES string

CC1=NN(C(=O)C1)c2ccccc2

InChI

1S/C10H10N2O/c1-8-7-10(13)12(11-8)9-5-3-2-4-6-9/h2-6H,7H2,1H3

InChI key

QELUYTUMUWHWMC-UHFFFAOYSA-N

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Application

3-Methyl-1-phenyl-2-pyrazoline-5-one may be used:
  • As a reagent for the detection of reducing carbohydrates by ESI/MALDI-MS.
  • To improve the sensitivity of reducing mono- and oligo-saccharides for their subsequent determination using capillary zone electrophoresis.
  • For the precolumn derivatization of the monosaccharide components of Salvia miltiorrhiza, liguspyragine hydrochloride, and glucose injection prior to their analysis by high performance liquid chromatography (HPLC).

Reagent for detection of reducing carbohydrates by ESI/MALDI -MS.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

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Capillary zone electrophoresis of reducing mono-and oligo-saccharides as the borate complexes of their 3-methyl-1-phenyl-2-pyrazolin-5-one derivatives
Honda S, et al.
Carbohydrate Research, 215(1), 193-198 (1991)
Fa-Huan Ge et al.
Journal of analytical methods in chemistry, 2017, 9245620-9245620 (2017-05-11)
Salvia miltiorrhiza, liguspyragine hydrochloride, and glucose injection (SLGI) was made of Salvia miltiorrhiza Bge., liguspyragine hydrochloride, glucose, and glycerin. There were many kinds of monosaccharide components in SLGI, which might be from the raw material and Salvia miltiorrhiza Bge. Separation
Influence of the labeling group on ionization and fragmentation of carbohydrates in mass spectrometry
Lattova E, et al.
Journal of the American Society For Mass Spectrometry, 16(5), 683-696 (2005)
Xian-Wen Yang et al.
Journal of natural products, 70(4), 521-525 (2007-03-09)
Six new mixed lignan-neolignans and 20 known compounds were isolated from the whole plant of Tarenna attenuata. By analysis of physical and spectroscopic data, the structures of the new compounds were elucidated as (1R,5R,6R)-6-{4-O-[2-(1-(4-hydroxy-3-methoxyphenyl))glycerol]-3,5-dimethoxyphenyl}-3,7-dioxabicyclo[3.3.0]octan-2-one (1), 5' '-methoxyhedyotisol A (2), 4'
Konstantin Chegaev et al.
Journal of medicinal chemistry, 52(2), 574-578 (2008-12-31)
A new series of polyvalent drugs obtained by joining edaravone with NO-donor moieties is described. All compounds display high antioxidant power together with NO-dependent vasodilator properties. The analysis of a number of molecular descriptors shows that the antioxidant activity, which
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