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39468

Sigma-Aldrich

α-氰基-4-羟基肉桂酸

matrix substance for MALDI-MS, Ultra pure

同義詞:

α-CCA, α-CHCA, α-氰基, 4-HCCA, ACCA

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About This Item

線性公式:
HOC6H4CH=C(CN)CO2H
CAS號碼:
分子量::
189.17
Beilstein:
3271427
EC號碼:
MDL號碼:
分類程式碼代碼:
41116105
PubChem物質ID:
NACRES:
NA.21
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等級

matrix substance for MALDI-MS

品質等級

形狀

solid

分析物化學類別

glycans, peptides, proteins

技術

MALDI-MS: suitable

mp

245-250 °C (lit.)
245-250 °C

溶解度

methanol: 10 mg/mL, clear

正離子痕跡

Al: ≤1 mg/kg
Ba: ≤1 mg/kg
Ca: ≤1 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤1 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤1 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

適合性

suitable for matrix substance for MALDI-MS

儲存溫度

2-8°C

SMILES 字串

OC(=O)\C(=C\c1ccc(O)cc1)C#N

InChI

1S/C10H7NO3/c11-6-8(10(13)14)5-7-1-3-9(12)4-2-7/h1-5,12H,(H,13,14)/b8-5+

InChI 密鑰

AFVLVVWMAFSXCK-VMPITWQZSA-N

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一般說明

α-氰基-4-羟基肉桂酸(α-CHCA)起基质的作用,有助于在基质辅助激光解吸/电离(MALDI)飞行时间(TOF)质谱仪中促进蛋白质和肽的电离。[1]

應用

它被用作基质,用于改善 MALDI-TOF 上低浓度蛋白质消化物的检测。[1]

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訂價

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Skin Sens. 1B

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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Xiangping Zhu et al.
Journal of biomolecular techniques : JBT, 14(4), 298-307 (2004-01-13)
Alpha-cyano-4-hydroxycinnamic acid (alpha-CHCA) as a matrix facilitates the ionization of proteins and peptides in a matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) mass spectrometer. The matrix itself also ionizes and so do its sodium and potassium adducts. Matrix clusters and metal
Anne R Diers et al.
The Biochemical journal, 444(3), 561-571 (2012-03-31)
Recent studies have highlighted the fact that cancer cells have an altered metabolic phenotype, and this metabolic reprogramming is required to drive the biosynthesis pathways necessary for rapid replication and proliferation. Specifically, the importance of citric acid cycle-generated intermediates in
A Yaromina et al.
Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al], 188(5), 431-437 (2012-02-22)
High pretreatment tumor lactate content is associated with poor outcome after fractionated irradiation in human squamous cell carcinoma (hSCC) xenografts. Therefore, decreasing lactate content might be a promising approach for increasing tumor radiosensitivity. As the basis for such experiments, the
Zhiqiang Zhao et al.
Cancer letters, 342(1), 150-158 (2013-09-10)
Monocarboxylate transporter isoform 1 (MCT1) is an important member of the proton-linked MCT family and has been reported in an array of human cancer cell lines and primary human tumors. MCT1 expression is associated with developing a new therapeutic approach
Mohammadreza Shariatgorji et al.
Analytical chemistry, 84(16), 7152-7157 (2012-08-07)
D(4)-α-Cyano-4-hydroxycinnamic acid (D(4)-CHCA) has been synthesized for use as a matrix for matrix-assisted laser desorption ionization-mass spectrometry (MALDI-MS) and MALDI-MS imaging (MSI) of small molecule drugs and endogenous compounds. MALDI-MS analysis of small molecules has historically been hindered by interference

文章

One of the most important aspects of our ultra-pure MALDI matrix substances is their ability to dissolve rapidly and completely; a brief vortex mixing is typically sufficient.

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