8.52382

Fmoc-Leu-Cys(psiDmp,Hpro)-OH

Novabiochem^®

• Synonym(s): Fmoc-Leu-Cys(psiDmp,Hpro)-OH
• Empirical Formula (Hill Notation): C₃₄H₃₈N₂O₇S
• Molecular Weight: 618.74
• UNSPSC Code: 12352209
• NACRES: NA.22

Properties

• Quality Level: 200
• product line: Novabiochem^®
• form: powder
• reaction suitability: reaction type: Fmoc solid-phase peptide synthesis
• manufacturer/tradename: Novabiochem^®
• application(s): peptide synthesis
• functional group: thiol
• storage temp.: 15-25°C

Description

General description

A cysteine-based pseudoproline dipeptide. It prevents aggregation during Fmoc SPPS and enhances product purity in an identical manner to standard pseuproline dipeptides. The pseudoproline ring is cleaved with TFA, regenerating the native Cys residue.

Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Fmoc SPPS
Overcoming Aggregation in Fmoc SPPS

Analysis Note

Colour (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Enantiomeric purity Cysteine: ≥ 99.5 % (a/a)
Enantiomeric purity second amino acid: ≥ 99.0 % (a/a)
Purity (TLC(157A)): ≥ 97 %
Purity (TLC(CMA2)): ≥ 97 %
Assay (HPLC, area%): ≥ 97.0 % (a/a)
Ethyl acetate (HS-GC): ≤ 0.50 %
Acetate (IC): ≤ 0.05 %

To see the solvent systems used for TLC of Novabiochem^® products please click here.
The product is a racemic mixture.

Legal Information

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable