8.53041 Sigma-Aldrich



Synonym: Boc-His(Tos)-OH, N-α-t.-Boc-N-im-tosyl-L-histidine

  • CAS Number 35899-43-5

  • Empirical Formula (Hill Notation) C18H23N3O6S

  • Molecular Weight 409.46

  •  MDL number MFCD00065967



Related Categories Amino Acids & Derivatives, Chemical Biology, Chemical Synthesis, Histidine, Peptide Synthesis and Peptide Chemistry More...
Quality Level   200
assay   ≥98% (TLC)
  ≥98.0% (HPLC)
form   powder
mfr. no.   Novabiochem®
application(s)   peptide synthesis: suitable
storage conditions   Store at -15°C to -25°C.


General description

The product number for this product was previously 04-12-0012.

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: 04-12-0012

Analysis Note

Colour (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Optical rotation α 25/D (c=1 in dioxan): +10.0 - +13.0 °
Purity (TLC(011B)): ≥ 98 %
Purity (TLC(011C)): ≥ 98 %
Assay (HPLC, area%): ≥ 98.0 % (a/a)
Solubility (50 mg in ml EtOH): clearly soluble
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


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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