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Fmoc-Tyr(tBu)-OH

Fmoc-Tyr(tBu)-OH Novabiochem®. CAS 71989-38-3, molar mass 459.55 g/mol., Novabiochem®

Synonym: N-α-Fmoc-O-t.-butyl-L-tyrosine

  • CAS Number 71989-38-3

  • Linear Formula C₂₈H₂₉NO₅

  • Molecular Weight 459.55 g/mol

  •  EC Number 276-262-7

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Properties

Related Categories Amino Acids & Derivatives, Chemical Biology, Chemical Synthesis, Peptide Chemistry | Peptide Synthesis, Tyrosine More...
brand family   Novabiochem
packaging   1 kg in Plastic bottle (8520201000)
  100 g in Plastic bottle (8520200100)
  25 g in Plastic bottle (8520200025)
  250 g in Plastic bottle (8520200250)
mp   143 - 155 °C
shipped in   ambient
storage temp.   Store below +30°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-Ser (tBu) -OH (HPLC): ≤ 0.1 % (a/a)
  Fmoc-Tyr(tBu)-Tyr(tBu)-OH (HPLC): ≤ 0.1 % (a/a)
  Fmoc-Tyr-OH (HPLC): ≤ 0.1 % (a/a)
  Assay free amino acid (GC): ≤ 0.2 %
  Purity (TLC(011A)): ≥ 98 %
  Purity (TLC(0811)): ≥ 98 %
  Solubility (25 mmole in 50 ml DMF): clearly soluble
  Assay (acidimetric): ≥ 98.0 %
  Water (K. F.): ≤ 2.0 %
  Ethyl acetate (HS-GC): ≤ 0.5 %
  Acetate (IC): ≤ 0.02 %
  For TLC-Systems see our General Catalog

Description

Background information

The product number for this product was previously 04-12-1037.

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".

Safety & Documentation

Safety Information

HS Code 
2924 29 70
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 2 obviously hazardous to water
Protocols & Articles

Articles

Purer Fmocs Means Purer Peptides

All peptide chemists recognize the key to obtaining high purity peptides is to maximize efficiency of every synthetic step. However, not everyone realizes that obtaining high purity peptides also dep...
Keywords: Building blocks, Crystallization, Gas chromatography, High performance liquid chromatography, Nuclear magnetic resonance spectroscopy, Peptide synthesis, Rearrangements, Thin layer chromatography

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