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Key Documents

Ursprungszeugnis (CoO)/Analysenzertifikate (CoA)

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A9377

DL-Ala-DL-Ala

Name: <SC>DL</SC>-Ala-<SC>DL</SC>-Ala
Brand: SIGMA

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Alle Fotos(1)

About This Item

Empirische Formel (Hill-System):

C₆H₁₂N₂O₃

CAS-Nummer:

2867-20-1

Molekulargewicht:

160.17

EG-Nummer:

220-687-2

MDL-Nummer:

MFCD00064407

UNSPSC-Code:

12352200

PubChem Substanz-ID:

24891440

Assay

≥98% (TLC)

Form

powder

Farbe

white

mp (Schmelzpunkt)

268-270 °C

Lagertemp.

−20°C

SMILES String

CC(N)C(=O)NC(C)C(O)=O

InChI

1S/C6H12N2O3/c1-3(7)5(9)8-4(2)6(10)11/h3-4H,7H2,1-2H3,(H,8,9)(H,10,11)

InChIKey

DEFJQIDDEAULHB-UHFFFAOYSA-N

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Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

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Enantiomeric separation of chiral dipeptides by CE-ESI-MS employing a partial filling technique with chiral crown ether.

Shifei Xia et al.

Electrophoresis, 30(16), 2837-2844 (2009-08-06)

Enantiomer of chiral dipeptides were separated by CE-ESI-MS in a bare fused-silica capillary using (+)-(18-crown-6)-2,3,11,12-tetracarboxylic acid (18C6H4) as the chiral selector. As 18C6H4 is a kind of nonvolatile chiral selector, in order to prevent from 18C6H4 into the ion-source of

Synthesis and binding studies of two new macrocyclic receptors for the stereoselective recognition of dipeptides.

Ana Maria Castilla et al.

Beilstein journal of organic chemistry, 6, 5-5 (2010-05-21)

We present here the design, synthesis, and analysis of a series of receptors for peptide ligands inspired by the hydrogen-bonding pattern of protein β-sheets. The receptors themselves can be regarded as strands 1 and 3 of a three-stranded β-sheet, with

Chiral capillary electrophoresis-mass spectrometry: modes and applications.

Shahab A Shamsi

Electrophoresis, 23(22-23), 4036-4051 (2002-12-14)

A review is presented to highlight several approaches for coupling capillary electrophoresis (CE) and electrospray ionization-mass spectrometry (ESI-MS) for analysis of chiral compounds. A short discussion of commercially available CE-MS instruments and interface design is followed by a detail review

An algorithm to find minimum free-energy paths using umbrella integration.

Matthias U Bohner et al.

The Journal of chemical physics, 137(3), 034105-034105 (2012-07-27)

The calculation of free-energy barriers by umbrella sampling and many other methods is hampered by the necessity for an a priori choice of the reaction coordinate along which to sample. We avoid this problem by providing a method to search

A redesigned vancomycin engineered for dual D-Ala-D-ala And D-Ala-D-Lac binding exhibits potent antimicrobial activity against vancomycin-resistant bacteria.

Jian Xie et al.

Journal of the American Chemical Society, 133(35), 13946-13949 (2011-08-10)

The emergence of bacteria resistant to vancomycin, often the antibiotic of last resort, poses a major health problem. Vancomycin-resistant bacteria sense a glycopeptide antibiotic challenge and remodel their cell wall precursor peptidoglycan terminus from d-Ala-d-Ala to d-Ala-d-Lac, reducing the binding

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