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
Beilstein:
619424
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
质量水平
mp
>252 °C (dec.) (lit.)
官能团
sulfonic acid
SMILES字符串
CC1=NN(C(=O)C1)c2ccc(cc2)S(O)(=O)=O
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)
InChI key
CWJQQASJVVAXKL-UHFFFAOYSA-N
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应用
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.
警示用语：
Danger
危险声明
危险分类
Skin Corr. 1B
储存分类代码
8A - Combustible corrosive hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
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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