134163
1-(4-磺酸苯基)-3-甲基-5-吡唑酮
别名:
3-甲基-1-(4-磺苯基)-2-吡唑啉-5-酮, 4-(3-甲基-5-氧-2-吡唑啉-1-基)苯磺酸
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关于此项目
经验公式（希尔记法）:
C10H10N2O4S
化学文摘社编号:
分子量:
254.26
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-901-3
Beilstein/REAXYS Number:
619424
MDL number:
Quality Level
InChI key
CWJQQASJVVAXKL-UHFFFAOYSA-N
InChI
1S/C10H10N2O4S/c1-7-6-10(13)12(11-7)8-2-4-9(5-3-8)17(14,15)16/h2-5H,6H2,1H3,(H,14,15,16)
SMILES string
CC1=NN(C(=O)C1)c2ccc(cc2)S(O)(=O)=O
mp
>252 °C (dec.) (lit.)
functional group
sulfonic acid
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Application
1-(4-Sulfophenyl)-3-methyl-5-pyrazolone (4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzoic acid) was used for pre-column derivatization of carbohydrates. It was also used as derivatization reagent in determination of oligosides, mannose and galactose obtained by degradation of galactomannans.
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Precolumn derivatization of reducing carbohydrates with 4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzoic acid. Study of reaction, high-performance liquid chromatographic separation and quantitative performance of method.
Castells CB, et al.
Chromatographia, 56(3-4), 153-160 (2002)
N Tapie et al.
Journal of chromatography. A, 1181(1-2), 45-50 (2008-01-08)
The present work describes the validation of an easy, fast and efficient precolumn derivatization method for the quantification of oligosides, mannose and galactose obtained by degradation of galactomannans. This work combines an acid hydrolysis and an enzymatic degradation of natural
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