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8.52022 EMD Millipore

Fmoc-Cys(tButhio)-OH

Fmoc-Cys(tButhio)-OH Novabiochem®. CAS 73724-43-3, molar mass 431.57 g/mol., Novabiochem®

Synonym: N-α-Fmoc-S-t.-butylthio-L-cysteine

  • CAS Number 73724-43-3

  • Linear Formula C₂₂H₂₅NO₄S₂

  • Molecular Weight 431.57 g/mol

  •  EC Number 277-574-6

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Properties

Related Categories Amino Acids & Derivatives, Chemical Biology, Chemical Synthesis, Cysteine/Cystine, Peptide Chemistry More...
brand family   Novabiochem
packaging   25 g in Plastic bottle (8520220025)
mp   69 - 79 °C
shipped in   ambient
storage temp.   Store at -15°C to -25°C.
specifications   Colour (visual): white to slight yellow to beige
  Appearance of substance (visual): powder
  Identity (IR): passes test
  Purity (TLC(011B)): ≥ 98 %
  Purity (TLC(0811)): ≥ 98 %
  Enantiomeric purity: ≥ 99.5 % (a/a)
  Assay (HPLC, area%): ≥ 97.0 % (a/a)
  Solubility (1 mmole in 2 ml DMF): clearly soluble
  Assay (acidimetric): ≥ 95.0 %
  Water (K. F.): ≤ 2.00 %
  For TLC-Systems see our General Catalog

Description

Background information

The t-Buthio group can be selectively removed using thiols [1] or tributylphosphine[2, 3]. This protecting group is stable to TFA if thiol scavengers are not used.

The product number for this product was previously 04-12-1041.

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".

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Safety Information

HS Code 
2930 90 16
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 2 water endangering
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