8.53018 EMD Millipore


Boc-Lys(2-Cl-Z)-OH (cryst) Novabiochem®. CAS 54613-99-9, molar mass 414.88 g/mol., (cryst) Novabiochem®

Synonym: N-α-t.-Boc-N-ε-2-chloro-CBZ-L-lysine

  • CAS Number 54613-99-9

  • Linear Formula C₁₉H₂₇ClN₂O₆

  • Molecular Weight 414.88 g/mol



Related Categories Amino Acids & Derivatives, Chemical Biology, Chemical Synthesis, Lysine, Peptide Chemistry More...
brand family   Novabiochem
packaging   100 g in Plastic bottle (8530180100)
  25 g in Plastic bottle (8530180025)
mp   70 - 73 °C
shipped in   ambient
storage temp.   Store at +2°C to +8°C.
specifications   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 DMF): -12.0 - -10.0 °
  Purity (TLC(011A)): ≥ 98 %
  Purity (TLC(0811)): ≥ 98 %
  Assay (HPLC, area%): ≥ 99.0 % (a/a)
  Solubility (1 mmole in 2 ml DMF): clearly soluble
  Solubility (1mmoll in 2ml DCM): clearly soluble
  Assay (acidimetric): ≥ 95.0 %
  Enantiomeric purity: ≥ 99.5 % (a/a)
  For TLC-Systems see our General Catalog


Background information

The Cl-Z group is more stable to TFA than the Z group [1, 2], so this derivative is preferred to Boc-Lys(Z)-OH in the synthesis of longer peptides.

The product number for this product was previously 04-12-0068.

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".

Price and Availability

Ask us for bulk and customization needs

My Chemicals
Safety & Documentation

Safety Information

HS Code 
2924 29 70
Storage class 
10 - 13 Other liquids and solids
WGK 2 water endangering
Protocols & Articles
Related Products

Technical Service:

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

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?