Quality Segment
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
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
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.
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
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable