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8.52381

Sigma-Aldrich

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

Novabiochem®

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C31H32N2O7S
Molecular Weight:
576.66
UNSPSC Code:
12352209
NACRES:
NA.22

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

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Protocols

Overcoming Aggregation in Solid-phase Peptide Synthesis

The ease of assembly of a given peptide sequence is hard to predict, which makes peptide synthesis challenging. Review methods and reagents for avoiding aggregation in solid-phase peptide synthesis.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service