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54793

Supelco

2-(4-Hydroxyphenylazo)benzoic acid

matrix substance for MALDI-MS, ≥99.5%

Synonyme(s) :

2-(4′-Hydroxybenzeneazo)benzoic acid, 4′-Hydroxyazobenzene-2-carboxylic acid, HABA, HBABA

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About This Item

Formule linéaire :
HOC6H4N=NC6H4CO2H
Numéro CAS:
1634-82-8
Poids moléculaire :
242.23
Numéro Beilstein :
1842696
Numéro CE :
216-655-2
Numéro MDL:
MFCD00002428
Code UNSPSC :
12000000
ID de substance PubChem :
329758061

Qualité

matrix substance for MALDI-MS

Niveau de qualité

100

Pureté

≥99.5% (HPLC)
≥99.5%

Classe(s) fonctionnelle(s) de l'analyte

polymers

Classe(s) chimique(s) de l'analyte

glycans, peptides, proteins

Technique(s)

MALDI-MS: suitable

Pf

204-208 °C (lit.)
204-208 °C

Solubilité

ethanol: 20 mg/mL, clear

Traces de cations

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

Absorption

≥2000 at 337 nm (mol. absorption)

Chaîne SMILES 

Oc1ccc(cc1)\N=N\c2ccccc2C(O)=O

InChI

1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18)/b15-14+

Clé InChI

DWQOTEPNRWVUDA-CCEZHUSRSA-N

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Description générale

2-(4-Hydroxyphenylazo)benzoic acid) (HABA), can be used for desorption of proteins, peptides and glycoproteins, thereby making it very advantageous for matrix-assisted laser desorption ionization mass spectrometry.

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

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αAcide α-cyano-4-hydroxycinnamique, suitable for MALDI-TOF MS

A8346

ProteoMass™ ACTH Fragment 18-39 MALDI-MS Standard, vial of 10 nmol, monoisotopic mol wt 2,464.1989 Da

I6154

ProteoMass™ Insulin chain B oxidized MALDI-MS Standard, vial of 10 nmol

I6279

Insuline from bovine pancreas, vial of 10 nmol, monoisotopic mol wt 5,729.6087 Da

A8471

ProteoMass™ Albumin MALDI-MS Standard, vial of 10 nmol, average mol wt 66,429.09 Da by calculation

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ProteoMass™ Aldolase MALDI-MS Standard, vial of 10 nmol, average mol wt 39,211.28 Da by calculation

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ProteoMass™ Angiotensin II MALDI-MS Standard, vial of 10 nmol

A8971

ProteoMass™ Apomyoglobin MALDI-MS Standard, vial of 10 nmol, (M+H+) 16,952.27 Da by calculation

B4181

ProteoMass™ Bradykinin Fragment 1-7 MALDI-MS Standard, vial of 10 nmol, monoisotopic mol wt 756.3997 Da

MSCAL1

ProteoMass™ Peptide and Protein MALDI-MS Calibration Kit, Peptide and Protein MALDI MS Calibration Standard

MSCAL2

ProteoMass™ Peptide MALDI-MS Calibration Kit, Peptide MALDI MS Calibration Standard

MSCAL3

ProteoMass™ Protein MALDI-MS Calibration Kit, Protein MALDI MS Calibration Standard

56197

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

85429

Sinapic acid, matrix substance for MALDI-MS, ≥99.0% (T)

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MALDI validation set polystyrene Mp ~700 - 70 000, certified reference material

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2′,6′-Dihydroxyacetophenone, matrix substance for MALDI-MS, ≥99.5%

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2′,4′,6′-Trihydroxyacetophenone monohydrate, matrix substance for MALDI-MS, ≥99.5%

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MALDI validation set PS, PMMA, PDMS, PEG and PSS Mp ~4′300 - 6′500

87884

trans-2-[3-(4-tert-Butylphenyl)-2-methyl-2-propenylidene]malononitrile, matrix substance for MALDI-MS, ≥99.0% (HPLC)

60018

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

29208

(N-Succinimidyloxycarbonylmethyl)tris(2,4,6-trimethoxyphenyl)phosphonium bromide, for protein sequence analysis (by MALDI-MS), ≥98.5%

46278

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

85707

2,5-Dihydroxybenzoic acid, matrix substance for MALDI-MS, >99.0% (HPLC)

70990

αAcide α-cyano-4-hydroxycinnamique, matrix substance for MALDI-MS, ≥99.0% (HPLC)

N3786

α(2→3,6,8,9) Neuraminidase from Arthrobacter ureafaciens, Proteomics Grade, suitable for MALDI-TOF MS

39468

αAcide α-cyano-4-hydroxycinnamique, matrix substance for MALDI-MS, Ultra pure

39319

2,5-Dihydroxybenzoic acid, matrix substance for MALDI-MS, ≥99.5% (HPLC), Ultra pure

49508

Sinapic acid, matrix substance for MALDI-MS, ≥99.5%, Ultra pure

50862

Super-DHB, suitable for matrix substance for MALDI-MS, ≥99.0%

02241

2′,3′-Dideoxycytidine 5′-triphosphate sodium salt solution, suitable for MALDI-MS, ≥98.0% (HPLC)

42597

3′-Deoxythymidine 5′-triphosphate sodium salt solution, BioChemika, puriss. p.a., suitable for MALDI-MS, ≥98.0% (HPLC)

MS0100

ProteoMass™ Guanidination Kit, For improving MALDI-MS sensitivity and peptide sequence coverage

MSCAL4

ProteoMass™ MALDI Calibration Kit for Exactive Series MS, LTQ XL and LTQ Hybrids, MALDI MS Calibration Standard

92817

9-Aminoacridine, matrix substance for MALDI-MS, ≥99.5% (HPLC)

56451

1,5-Diaminonaphthalene, matrix substance for MALDI-MS, ≥99.0% (HPLC)

50757

Micro-Array for Mass Spectrometry (MAMS), for single cell analysis

94141

4-Chloro-α-cyanocinnamic acid, matrix substance for MALDI-MS, ≥95.0% (HPLC)

89063

4-Bromo-α-cyanocinnamic acid, matrix substance for MALDI-MS, ≥95.0% (HPLC)

77081

α-Cyano-4-fluorocinnamic acid, matrix substance for MALDI-MS, ≥95.0% (HPLC)

38419

α-Cyano-2,3,4,5,6-pentafluorocinnamic acid, matrix substance for MALDI-MS, ≥95.0% (HPLC)

39379

4-Chloro-α-cyanocinnamic acid - α-Cyano-2,4-difluorocinnamic acid mixture, matrix substance for MALDI-MS, ≥95.0% (sum of both components, HPLC)

68914

4-Bromo-α-cyanocinnamic acid - 4-Chloro-α-cyanocinnamic acid mixture, matrix substance for MALDI-MS, ≥95.0% (sum of both components, HPLC)

05851

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

78246

Curcumin, matrix substance for MALDI-MS, ≥99.5% (HPLC)

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Micro-Array for Mass Spectrometry (MAMS), for quantitative MALDI

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(E)-2-Cyano-3-(2-naphthyl)acrylic acid, matrix substance for MALDI-MS, ≥98.0% (HPLC)

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(2E)-3-(9-Anthryl)-2-cyanoacrylic acid, matrix substance for MALDI-MS, ≥97.0% (HPLC)

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

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PFS11

SpheriCal™ Mix, Peptide Low, suitable for MALDI-MS

PFS31

SpheriCal™ Aqua, Peptide Medium, suitable for MALDI-MS

PFS32

SpheriCal™ Aqua, Peptide High, suitable for MALDI-MS

PFS20

SpheriCal™ Neat, Peptide Low, suitable for MALDI-MS

PFS21

SpheriCal™ Neat, Peptide Medium, suitable for MALDI-MS

PFS22

SpheriCal™ Neat, Peptide High, suitable for MALDI-MS

PFS23

SpheriCal™ Neat, Protein Low, suitable for MALDI-MS

PFS30

SpheriCal™ Aqua, Peptide Low, suitable for MALDI-MS

69028

4-Phenyl-α-cyanocinnamamide, matrix substance for MALDI-MS, ≥98.5% (HPLC)

900666

Bruker standard solvent, suitable for MALDI-MS, 50% ACN + 47.5% H2O + 2.5% TFA

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
BCBV7548
BCBL7628V
BCBG9015V
BCBG7500V
BCBB9208V

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Matrix-assisted laser desorption ionization mass spectrometry with 2-(4-hydroxyphenylazo) benzoic acid matrix.
Juhasz, Peter, Catherine E. Costello, and Klaus Biemann.
Journal of the American Society For Mass Spectrometry, 4 (5), 399-409 (1993)
K J Welham et al.
Rapid communications in mass spectrometry : RCM, 12(4), 176-180 (1998-03-11)
A variety of gram-positive and gram-negative intact bacterial cells have been analysed by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) and shown to provide fingerprint mass spectra with discrete peaks being observed over the mass range from 3 to 40 kDa.
M A Domin et al.
Rapid communications in mass spectrometry : RCM, 13(4), 222-226 (1999-03-31)
The ability to rapidly identify the taxonomic class of the wide variety of microorganisms involved in human and animal disease is becoming increasingly important, especially with the increasing development of resistance to the antibiotics which form the main defence against
Noritaka Kato et al.
The journal of physical chemistry. B, 109(42), 19604-19612 (2006-07-21)
This study reports a homogeneous and competitive fluorescence quenching immunoassay based on gold nanoparticle/polyelectrolyte (Au(NP)/PE) coated latex particles prepared by the layer-by-layer (LbL) technique. First, the resonant energy transfer from a layer of fluorescent PEs to Au(NP) in LbL assembled
Joan-Antoni Farrera et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 14(7), 2277-2285 (2007-12-29)
The tautomeric equilibria of 2-(4'-hydroxyphenylazo)benzoic acid (HABA) and 2-(3',5'-dimethyl-4'-hydroxyphenylazo)benzoic acid (3',5'-dimethyl-HABA) have been studied by a combination of spectroscopic and computational methods. For neutral HABA in solvents of different polarity (toluene, chloroform, DMSO, DMF, butanol, and ethanol) the azo tautomer
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