8.52122 Sigma-Aldrich



Synonym: Fmoc-Asp(OAll)-OH

  • CAS Number 146982-24-3

  • Empirical Formula (Hill Notation) C22H21NO6

  • Molecular Weight 395.41

  •  MDL number MFCD00190874



Related Categories Amino Acids & Derivatives, Aspartic Acid, Chemical Biology, Chemical Synthesis, Peptide Synthesis and Peptide Chemistry More...
Quality Level   200
assay   ≥98% (TLC)
  ≥98.0% (HPLC)
  ≥98.0% (acidimetric)
form   powder
mfr. no.   Novabiochem®
application(s)   peptide synthesis: suitable
mp   111-114 °C
functional group   Fmoc
storage conditions   Store below +30°C.


General description

Orthogonally-protected building block for the synthesis of peptides modified at the Asp side chain. See entry for 852072 for more details.04-12-1303

The product number for this product was previously 04-12-1303.

To obtain a certificate of analysis (CoA) of a lot that begins with the letter “A”, please select the option in the right hand menu “Request a COA for Lot#s starting with A”.


Replaces: 04-12-1303

Analysis Note

Color (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Optical rotation α 25/D (c=1 in DMF): -30.0 - -25.0 °
Purity (TLC(157A)): ≥ 98 %
Assay (HPLC, area%): ≥ 98.0 % (a/a)
Solubility (1 mmole in 2 ml DMF): clearly soluble
Assay (acidimetric): ≥ 98.0 %
Water (K. F.): ≤ 1.0 %
For TLC-Systems see our General Catalog

Legal Information

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

Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.
Protocols & Articles


Selecting Orthogonal Building Blocks

Novabiochem® product range has one of the largest collections of orthogonally and quasi-orthogonally protected tri-functional amino acids. These derivatives are useful tools for the synthesis of cycl...
Keywords: Acylations, Catalysis, Combinatorial synthesis, Cyclizations, Eliminations, Filtration, High performance liquid chromatography, Peptide synthesis, Reductions, Solid phase peptide synthesis, Thiolysis

Solvent Systems for Thin-layer Chromatography of Novabiochem Products

The table below lists the solvent systems used for the thin-layer chromatography (TLC) assay of Novabiochem products. To determine the system used, just look up the solvent system code printed adjace...
Keywords: Chromatography, Solvents, Thin layer chromatography

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