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58689

Supelco

N-Isobutyryl-D-cysteine

for chiral derivatization, LiChropur™, ≥97.0%

Synonym(s):

N-(2-Methylpropionyl)-D-cysteine

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About This Item

Linear Formula:
HSCH2CH[NHCOCH(CH3)2]CO2H
CAS Number:
124529-07-3
Molecular Weight:
191.25
MDL number:
MFCD00155641
UNSPSC Code:
12000000
eCl@ss:
32160406
PubChem Substance ID:
329758446
NACRES:
NA.22
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grade

for chiral derivatization

Quality Level

100

product line

ChiraSelect™

Assay

≥97.0% (RT)
≥97.0%

form

solid

optical purity

enantiomeric ratio: ≥99.5:0.5 (HPLC)

quality

LiChropur™

mp

97-101 °C (lit.)
97-101 °C

storage temp.

2-8°C

SMILES string

CC(C)C(=O)N[C@H](CS)C(O)=O

InChI

1S/C7H13NO3S/c1-4(2)6(9)8-5(3-12)7(10)11/h4-5,12H,3H2,1-2H3,(H,8,9)(H,10,11)/t5-/m1/s1

InChI key

BWBQXMAXLAHHTK-RXMQYKEDSA-N

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General description

It was used for derivatization of amino acid mixtures of OPA during HPLC analysis of L- and D-amino acids in plants.[1]
N-Isobutyryl-D-cysteine is a chiral thiol mostly used in precolumn orthophthaldehyde (OPA) derivatization of amino acids.[2]

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Legal Information

ChiraSelect is a trademark of Sigma-Aldrich Co. LLC
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBS2528V

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Chromatographic determination of L- and D-amino acids in plants.
Bruckner H and Westhauser T.
Amino Acids, 24 (1-2), 43-55 (2003)
Cyrille Gautier et al.
Journal of the American Chemical Society, 128(34), 11079-11087 (2006-08-24)
We have prepared gold nanoparticles covered with N-isobutyryl-l-cysteine and N-isobutyryl-d-cysteine, respectively. These particles with a mean particle size smaller than 2 nm are highly soluble in water and are amenable to chiroptical techniques such as vibrational circular dichroism (VCD) and
Handbook of HPLC
Danilo Corradini
Science, 715-715 (2011)
A Ekberg-Jansson et al.
The European respiratory journal, 13(4), 829-834 (1999-06-11)
N-isobutyrylcysteine (NIC), a new thiol compound that is not rapidly hydrolysed to give higher levels of free thiols in the body than N-acetylcysteine (NAC), was used to test if the effect of NAC on exacerbations in chronic bronchitis was an
Haiqing Liang et al.
Physical chemistry chemical physics : PCCP, 12(17), 4431-4434 (2010-04-22)
All-atomistic molecular dynamics simulations with explicit water solution are performed to investigate the interaction between single-stranded DNA (ssDNA) molecules and chiral N-isobutyryl-cysteine (NIBC) molecule coated Au surfaces. Different contributions to the force exerted on ssDNA are analyzed. It turns out
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