58698

N-Isobutyryl-L-cysteine

derivatization grade (chiral), LiChropur^™, ≥97.0%

• Synonym(s): N-(2-Methylpropionyl)-L-cysteine
• Empirical Formula (Hill Notation): C₇H₁₃NO₃S
• CAS Number: 124529-02-8
• Molecular Weight: 191.25
• UNSPSC Code: 23151816
• eCl@ss: 32160406
• PubChem Substance ID: 329758450
• NACRES: NA.22
• MDL number: MFCD00155635

Properties

• grade: derivatization grade (chiral)
• Quality Segment: 100
• product line: ChiraSelect^™
• assay: ≥97.0% (RT), ≥97.0%
• form: solid
• optical purity: enantiomeric ratio: ≥99.5:0.5 (HPLC)
• quality: LiChropur^™
• technique(s): HPLC: suitable
• mp: 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-/m0/s1
• InChI key: BWBQXMAXLAHHTK-YFKPBYRVSA-N

Description

General description

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

Application

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[1] using chromatography techniques.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Chiral derivatizing agent employed in the assay of the enantiomeric purity of amino acids with OPA[2][3]

Legal Information

ChiraSelect is a trademark of Sigma-Aldrich Co. LLC

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)