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70990

Supelco

α-Cyano-4-hydroxycinnamic acid

matrix substance for MALDI-MS, ≥99.0% (HPLC)

Sinonimo/i:

α-CCA, α-CHCA, α-Cyano, 4-HCCA, ACCA

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About This Item

Formula condensata:
HOC6H4CH=C(CN)CO2H
Numero CAS:
28166-41-8
Peso molecolare:
189.17
Beilstein:
3271427
Numero CE:
248-879-1
Numero MDL:
MFCD00004204
Codice UNSPSC:
12000000
ID PubChem:
329762519
NACRES:
NA.21

Grado

matrix substance for MALDI-MS

Livello qualitativo

100

Saggio

≥99.0% (HPLC)

Forma fisica

solid

Classi chimiche degli analiti

glycans, peptides, proteins

tecniche

MALDI-MS: suitable

Punto di fusione

245-250 °C (lit.)
245-250 °C

Solubilità

methanol: 10 mg/mL, clear

Cationi in tracce

Ba: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
K: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤10 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

Assorbimento

≥2000 at 337 nm (mol. absorption)

Stringa SMILE

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+
AFVLVVWMAFSXCK-VMPITWQZSA-N

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Descrizione generale

α-Cyano-4-hydroxycinnamic acid (α-CHCA) is widely used as a matrix in order to facilitate ionization of peptides and proteins in a matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) mass spectrometer.

Applicazioni

α-CHCA was used as matrix in improving the detection of low concentration protein digests on MALDI-TOF.

Altre note

Matrix substance used in MALDI-MS (matrix-assisted laser desorption ionization MS) peptide analysis in proteomics.

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Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H317

Classi di pericolo

Skin Sens. 1B

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
BCCG3811
BCCC8081
BCBZ5249
BCBV7481
BCBQ6945V

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Sigma-Aldrich

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Sinapic acid

S.D. Patterson, V. Katta
Analytical Chemistry, 66, 3729-3729 (1994)
J Gobom et al.
Analytical chemistry, 73(3), 434-438 (2001-02-24)
We present a new MALD1 sample preparation technique for peptide analysis using the matrix alpha-cyano-4-hydroxy-cinnamic acid (CHCA) and prestructured sample supports. The preparation integrates sample purification, based on the affinity of microcrystalline CHCA for peptides, thereby simplifying the analysis of
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
Martin Winter et al.
SLAS discovery : advancing life sciences R & D, 24(7), 766-777 (2019-05-07)
Microbial-dependent trimethylamine (TMA) generation from dietary precursors such as choline was recently linked to cardiovascular diseases (CVDs) as well as chronic kidney disease (CKD). Inhibition of TMA-generating enzymes in gut bacteria would be an innovative approach to treat these diseases.
Kevser Biberoglu et al.
Biochimica et biophysica acta, 1834(4), 745-753 (2013-01-29)
Acetylcholinesterase (AChE) in the serum of fetal cow is a tetramer. The related enzyme, butyrylcholinesterase (BChE), in the sera of humans and horse requires polyproline peptides for assembly into tetramers. Our goal was to determine whether soluble tetrameric AChE includes
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