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Fmoc-Arg(Pbf)-OH

Fmoc-Arg(Pbf)-OH Novabiochem®. CAS 154445-77-9, molar mass 648.78 g/mol., Novabiochem®

Synonym: N-α-Fmoc-NG-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine

  • CAS Number 154445-77-9

  • Linear Formula C₃₄H₄₀N₄O₇S

  • Molecular Weight 648.78 g/mol

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Properties

Related Categories Amino Acids & Derivatives, Arginine, Chemical Biology, Chemical Synthesis, Peptide Chemistry More...
brand family   Novabiochem
packaging   100 g in Plastic bottle (8520670100)
  25 g in Plastic bottle (8520670025)
  250 g in Plastic bottle (8520670250)
  5 g in Glass bottle (8520670005)
mp   >65 °C
shipped in   ambient
storage temp.   Store at -15°C to -25°C.
specifications   Colour (visual): white to off white
  Appearance of substance (visual): powder
  Colour index (0,5 M in DMF): ≤ 150 Hazen
  Identity (IR): passes test
  Enantiomeric purity: ≥ 99.8 % (a/a)
  Purity (HPLC): ≥ 99.0 % (a/a)
  Fmoc-ß-Ala-OH (HPLC): ≤ 0.1 % (a/a)
  Fmoc-ß-Ala-Arg(Pbf)-OH (HPLC): ≤ 0.1 % (a/a)
  Fmoc-Arg(Pbf)-Arg(Pbf)-OH (HPLC): ≤ 0.1 % (a/a)
  Fmoc-Arg-OH (HPLC): ≤ 0.1 % (a/a)
  Assay free amino acid (HPLC): ≤ 0.2 %
  Purity (TLC(011C)): ≥ 98 %
  Purity (TLC(157B)): ≥ 98 %
  Solubility (12,5 mmol in 25 ml DMF): clearly soluble
  Assay (acidimetric): ≥ 90.0 %
  Water (K. F.): ≤ 2.0 %
  Ethyl acetate (HS-GC): ≤ 1.0 %
  Acetate (IC): ≤ 0.02 %
  For TLC-Systems see our General Catalog

Description

Background information

The standard derivative for the introduction of Arg in Fmoc SPPS [1, 2]. The Pbf side-chain protecting group is removed with TFA approximately 1-2 times faster than Pmc.

In the preparation of peptides containing both Arg and Trp, it is recommended that this derivative is used in conjunction with Fmoc-Trp(Boc)-OH (852050).

The product number for this product was previously 04-12-1145.

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 
2935 90 90
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 2 water endangering
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