58698

N-Isobutyryl-L-cysteine

LiChropur^™, ≥97.0%

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

Properties

• grade: derivatization grade ((chiral))
• 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^™
• 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 using chromatography techniques.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

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

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Legal Information

ChiraSelect is a trademark of Sigma-Aldrich Co. LLC

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - 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