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87884

Supelco

trans-2-[3-(4-tert-Butylphenyl)-2-methyl-2-propenylidene]malononitrile

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

Synonyme(s) :

DCTB

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About This Item

Formule empirique (notation de Hill):
C17H18N2
Numéro CAS:
300364-84-5
Poids moléculaire :
250.34
Numéro Beilstein :
8913051
Numéro MDL:
MFCD03453260
Code UNSPSC :
12000000
ID de substance PubChem :
329769613
Nomenclature NACRES :
NA.21

Qualité

matrix substance for MALDI-MS

Niveau de qualité

100

Pureté

≥99.0% (HPLC)

Forme

powder

Technique(s)

MALDI-MS: suitable

Pf

123-126 °C

Traces de cations

Ba: ≤5 mg/kg
Ca: ≤5 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

Absorption

>2000 at 337 nm (mol. absorption)

Chaîne SMILES 

CC(=C/c1ccc(cc1)C(C)(C)C)\C=C(\C#N)C#N

InChI

1S/C17H18N2/c1-13(10-15(11-18)12-19)9-14-5-7-16(8-6-14)17(2,3)4/h5-10H,1-4H3/b13-9+

Clé InChI

OIASAVWSBWJWBR-UKTHLTGXSA-N

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Autres remarques

Used as matrix for MALDI-MS

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Description
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I6279

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

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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

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

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

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2-(4-Hydroxyphenylazo)benzoic acid, matrix substance for MALDI-MS, ≥99.5%

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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

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

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

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

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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)

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

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

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

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

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

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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)

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

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

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

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9-Nitroanthracene, matrix substance for MALDI-MS, ≥98.5% (HPLC)

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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

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PFS30

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

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

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302 + H312 + H332

Classification des risques

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Code de la classe de stockage

13 - Non 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
0000370040
0000358940
0000338314
0000316032
0000300124

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Trifluoroacétate de sodium 98%

Sigma-Aldrich

132101

Trifluoroacétate de sodium

L. Ulmer et al.,
Eur. J. Mass Spectrom., 6, 49-49 (2000)
Tomomi Iura et al.
Rapid communications in mass spectrometry : RCM, 29(2), 155-162 (2015-02-03)
Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) has been widely utilized for the structural characterization of various synthetic polymers. However, polymer sample molecules can occasionally decompose even in the MALDI process depending on the measurement conditions. In this work, the fragmentation
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The rational design of supramolecular polymers in water is imperative for their widespread use, but the design principles for these systems are not well understood. Herein, we employ a multi-scale (spatial and temporal) approach to differentiate two analogous water-soluble supramolecular
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Azafullerene (C59 N) was functionalized using a Mannich-type reaction and then subsequently condensed with lipoic acid to yield dithiolane-modified C59 N. In the following step, the extended dithiolane moiety from the C59 N core was utilized to decorate the azafullerene
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A novel electron rich, tetrathiafulvalene fused zinc porphyrin, (TTF)4PZn, has been newly synthesized and characterized using spectral and electrochemical methods. In spite of the presence of eight t-butyl groups, (TTF)4PZn exhibited appreciable aggregation in solution. Scanning electron microscopic (SEM) imaging
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