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91928

Supelco

2,4,6-三羟基苯乙酮 一水合物

matrix substance for MALDI-MS, ≥99.5%

同義詞:

2-乙酰间苯三酚, THAP

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About This Item

線性公式:
(HO)3C6H2COCH3·H2O
CAS號碼:
分子量::
186.16
Beilstein:
9288656
MDL號碼:
分類程式碼代碼:
12000000
PubChem物質ID:
NACRES:
NA.21

等級

matrix substance for MALDI-MS

品質等級

化驗

≥99.5% (HPLC)
≥99.5%

形狀

solid

分析物化學類別

glycans, oligonucleotides, peptides, proteins

技術

MALDI-MS: suitable

顏色

light yellow

mp

218-222 °C
219-221 °C (lit.)

正離子痕跡

Ca: ≤200 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

適合性

in accordance for UV test

SMILES 字串

O.CC(=O)c1c(O)cc(O)cc1O

InChI

1S/C8H8O4.H2O/c1-4(9)8-6(11)2-5(10)3-7(8)12;/h2-3,10-12H,1H3;1H2

InChI 密鑰

GDSIBPPJKSBCMF-UHFFFAOYSA-N

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一般說明

MALDI-MS分析需要最高纯度的基质和试剂,因为有机或痕量金属污染会在结晶、电离或测量过程中造成不良影响。因此,我们的 MALDI 基质和试剂(如 2′,4′,6′-三羟基苯乙酮一水合物)是为了满足如今′严苛应用的要求而设计的。

應用

在基质辅助激光解吸/电离飞行时间质谱(MALDI/TOF)中,2′,4′,6′-三羟基苯乙酮一水合物已被用作寡糖和糖肽分析的基质。
用于负离子模式的酸性聚糖和糖肽的MALDI分析。检测下限低于6-氮杂-2-硫代亚胺。

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訂價

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析證明 (COA)

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D I Papac et al.
Analytical chemistry, 68(18), 3215-3223 (1996-09-15)
2,5-Dihydroxybenzoic acid (DHB) is the most commonly used matrix for matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI/TOF) of oligosaccharides. Because acidic, sialylated oligosaccharides are detected at only the low picomole level with DHB, alternative matrices were screened to identify a
Analysis of acidic oligosaccharides and glycopeptides by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.
Papac, Damon I., Anissa Wong, and Andrew JS Jones.
Analytical Chemistry, 68.18, 3215-3223 (1996)
U Pieles et al.
Nucleic acids research, 21(14), 3191-3196 (1993-07-11)
We report the analysis and characterization of natural and modified oligonucleotides by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS). The present technology was highly improved for this class of compounds by using a new matrix, 2,4,6-trihydroxy acetophenone, together
Tao Wang et al.
The Analyst, 146(1), 289-295 (2020-11-04)
Although the in vivo metabolic pathways of scutellarin, a traditional Chinese medicine, have been investigated via different liquid chromatography techniques, studies on the distribution and location of scutellarin within organ tissue sections have not been reported. Matrix-assisted laser desorption/ionization mass
J Wang et al.
Journal of agricultural and food chemistry, 47(5), 2009-2015 (1999-12-20)
Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is a powerful new technique that will have a great impact on food analysis. This study is the first to demonstrate the applicability of MALDI-MS to perform both qualitative and quantitative analyses of anthocyanins

條款

该聚糖质谱分析方案,被称之为干液滴法,基于原始的MALDI实验并依然是MS领域中最常用的方法。

Explore mass spectrometry analysis of glycans for glycomic & glycoproteomic neutral & acidic glycan analysis. See a general mass spec glycan analysis procedure.

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