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Supelco

N-Isobutyryl-L-cysteine

for chiral derivatization, LiChropur, ≥97.0%

Sinonimo/i:

N-(2-Methylpropionyl)-L-cysteine

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About This Item

Formula empirica (notazione di Hill):
C7H13NO3S
Numero CAS:
Peso molecolare:
191.25
Numero MDL:
Codice UNSPSC:
12000000
eCl@ss:
32160406
ID PubChem:
NACRES:
NA.22

Grado

for chiral derivatization

Livello qualitativo

Nome Commerciale

ChiraSelect

Saggio

≥97.0% (RT)
≥97.0%

Forma fisica

solid

Purezza ottica

enantiomeric ratio: ≥99.5:0.5 (HPLC)

Qualità

LiChropur

tecniche

HPLC: suitable

Punto di fusione

97-101 °C

Temperatura di conservazione

2-8°C

Stringa SMILE

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-/m0/s1
BWBQXMAXLAHHTK-YFKPBYRVSA-N

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Descrizione generale

N-Isobutyryl-L-cysteine is a chiral derivatizing agent, widely used for the separation of amino acid enantiomers.

Applicazioni

N-Isobutyryl-L-cysteine may be used as a chiral derivatization agent for the determination of D- and L-amino acids in natural/synthetic bioactive peptides, pharmaceutical formulations and absolute configuration of selenomethionine using chromatography techniques.

Confezionamento

Bottomless glass bottle. Contents are inside inserted fused cone.

Altre note

Chiral derivatizing agent employed in the assay of the enantiomeric purity of amino acids with OPA

Prodotti consigliati

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Note legali

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

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

Eyeshields, Gloves, type N95 (US)


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Slide 1 of 4

1 of 4

H Brückner et al.
Journal of chromatography, 476, 73-82 (1989-08-04)
The enantioseparation of standard mixtures composed of protein DL-amino acids was performed by reversed-phase high-performance liquid chromatography of the corresponding diastereomeric isoindolyl derivatives, formed by automated precolumn derivatization with o-phthaldialdehyde (OPA) and a series of N-acyl-L-cysteines(Acyl-Cys). A photodiode-array detector, operating
H. Bruckner et al.
Journal of Chromatography A, 666, 259-259 (1994)
Yuta Mutaguchi et al.
Frontiers in microbiology, 9, 1540-1540 (2018-07-31)
Isoleucine 2-epimerase (ILEP) is a novel branched-chain amino acid racemase isolated from Lactobacillus buchneri. In this study, we examined production of free d-branched-chain amino acids such as d-valine, d-leucine, and d-allo-isoleucine, using lactic acid bacteria carrying homologs to ILEP. Twelve
M.A. Blaskovich et al.
Journal of the American Chemical Society, 115, 5021-5021 (1993)
Liquid chromatographic determination of d-and l-amino acids by derivatization with o-phthaldialdehyde and N-isobutyryl-l-cysteine applications with reference to the analysis of peptidic antibiotics, toxins, drugs and pharmaceutically used amino acids
Bruckner H, et al.
Journal of Chromatography A, 711(1), 201-215 (1995)

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