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852020 Fmoc-Tyr(tBu)-OH

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
71989-38-3276-262-7C₂₈H₂₉NO₅459.55 g/mol

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8520200025
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      Plastic bottle 25 g
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      Description
      Catalogue Number852020
      Replaces04-12-1037
      Brand Family Novabiochem®
      Alternate Names
      • N-α-Fmoc-O-t.-butyl-L-tyrosine
      Background InformationThe 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".
      References
      Product Information
      CAS number71989-38-3
      EC number276-262-7
      Hill FormulaC₂₈H₂₉NO₅
      Molar Mass459.55 g/mol
      HS Code2924 29 99
      Structure formula ImageStructure formula Image
      Quality LevelMQ400
      Applications
      ApplicationFmoc-Tyr(tBu)-OH Novabiochem®. CAS 71989-38-3, molar mass 459.55 g/mol.
      Biological Information
      Physicochemical Information
      Melting Point143 - 155 °C
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Storage class10 - 13 Other liquids and solids
      WGKWGK 3 highly hazardous to water
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      StorageStore below +30°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Specifications
      Color (visual)white to off white
      Appearance of substance (visual)powder
      Color 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-Tyr(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
      Global Trade Item Number
      Catalogue Number GTIN
      8520200025 04027269085674