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37468

2′,6′-二羟基苯乙酮

Name: 2′,6′-二羟基苯乙酮
Brand: SIAL

matrix substance for MALDI-MS, ≥99.5%

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别名:

2-乙酰-1,3-二羟基苯, 2-乙酰基间苯二酚, DHAP

线性分子式:

(HO)₂C₆H₃COCH₃

CAS号:

699-83-2

分子量:

152.15

Beilstein:

1366061

EC 号:

211-833-6

MDL编号:

MFCD00002270

PubChem化学物质编号:

329755650

NACRES:

NA.21

等级

matrix substance for MALDI-MS

质量水平

100

检测方案

≥99.5% (HPLC)
≥99.5%

形式

powder

分析物化学类别

glycans, lipids, peptides, proteins

technique(s)

MALDI-MS: suitable

mp

156-158 °C (lit.)

溶解性

dioxane: 50 mg/mL, clear

痕量阳离子

Ca: ≤10 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

SMILES string

CC(=O)c1c(O)cccc1O

InChI

1S/C8H8O3/c1-5(9)8-6(10)3-2-4-7(8)11/h2-4,10-11H,1H3

InChI key

YPTJKHVBDCRKNF-UHFFFAOYSA-N

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应用

结合柠檬酸氢二铵用于 MALDI-MS 分析 PMP 标记的酸性和中性多糖。

警示用语：

Warning

危险声明

H315 - H319 - H335

预防措施声明

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

危险分类

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

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

分析证书(COA)

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示例

T1503

货号

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25G

包装规格/数量

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

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Oligosaccharide characterization and quantitation using 1-phenyl-3-methyl-5-pyrazolone derivatization and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.

J J Pitt et al.

Analytical biochemistry, 248(1), 63-75 (1997-05-15)

The 1-phenyl-3-methyl-5-pyrazolone (PMP) derivatives of monosaccharides, maltooligosaccharides, and oligosaccharides enzymatically released from asparagine-linked sites in ribonuclease B and fetuin have been investigated using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). Use of the matrix 2,6-dihydroxyacetophenone containing diammonium hydrogen citrate (DHAP/DAHC)

Study of the acute human health effects of intermediates in the synthesis of sodium cromoglycate.

T A Smith et al.

The Annals of occupational hygiene, 39(2), 235-240 (1995-04-01)

Sodium cromoglycate is manufactured by a seven-stage synthetic process. There has been no previous documentation of toxicological effects of the intermediate compounds in its synthesis. This paper describes the health effects of acute exposure to the intermediates on the skin

Inhibitory effects of choleretic hydroxyacetophenones on ileal bile acid transport in rats.

Jainuch Kanchanapoo et al.

Life sciences, 78(14), 1630-1636 (2005-10-29)

The effects of the choleretic and cholesterol lowering compound, 2,4,6-trihydroxyacetophenone (THA) and its analog, 2,6-dihydroxyacetophenone (DHA), on ileal bile acid absorption were investigated in rats. THA inhibited taurocholate (TC) uptake into ileal brush-border membrane vesicles (BBMV), showing a maximum inhibition

2,5-Dihydroxyacetophenone: a matrix for highly sensitive matrix-assisted laser desorption/ionization time-of-flight mass spectrometric analysis of proteins using manual and automated preparation techniques.

Thomas Wenzel et al.

Rapid communications in mass spectrometry : RCM, 20(5), 785-789 (2006-02-04)

2,5-Dihydroxyacetophenone (DHAP) is presented as a matrix which enables highly sensitive matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometric analysis of peptides, proteins and glycoproteins on AnchorChip targets. Depending on the protein, lower fmol amounts can be detected due to the

Parameters contributing to efficient ion generation in aerosol MALDI mass spectrometry.

Erica L McJimpsey et al.

Journal of the American Society for Mass Spectrometry, 19(3), 315-324 (2007-12-25)

The Bioaerosol Mass Spectrometry (BAMS) system was developed for the real-time detection and identification of biological aerosols using laser desorption ionization. Greater differentiation of particle types is desired; consequently MALDI techniques are being investigated. The small sample size ( approximately

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