8.52009

Fmoc-Glu(OtBu)-OH

Novabiochem^®

• Synonym(s): Fmoc-Glu(OtBu)-OH, N-α-Fmoc-L-glutamic acid γ-t.-butyl ester
• Empirical Formula (Hill Notation): C₂₄H₂₇NO₆
• CAS Number: 71989-18-9
• Molecular Weight: 425.47
• MDL number: MFCD00037135
• UNSPSC Code: 12352209
• EC Index Number: 276-253-8
• NACRES: NA.22

Properties

• Quality Level: 400
• product line: Novabiochem^®
• Assay: ≥95.0% (acidimetric); ≥98% (TLC); ≥99.0% (HPLC)
• form: powder
• reaction suitability: reaction type: Fmoc solid-phase peptide synthesis
• manufacturer/tradename: Novabiochem^®
• mp: 80-95 °C
• application(s): peptide synthesis
• functional group: carboxylic acid
• storage temp.: 2-30°C
• InChI: 1S/C24H27NO6/c1-24(2,3)31-22(28)20(12-13-21(26)27)25-23(29)30-14-19-17-10-6-4-8-15(17)16-9-5-7-11-18(16)19/h4-11,19-20H,12-14H2,1-3H3,(H,25,29)(H,26,27)
• InChI key: GOPWHXPXSPIIQZ-UHFFFAOYSA-N

Description

General description

High purity Fmoc-protected amino acid for research and process production of peptides, with very low levels of dipeptide, free-amino acids and acetic acid impurities.
Standard building block for introduction of glutamic acid amino-acid residues by Fmoc SPPS

Associated Protocols and Technical Articles
Fmoc-amino acids for Peptide Production
Cleavage and Deprotection Protocols for Fmoc SPPS

Linkage

Replaces: 04-12-1020

Analysis Note

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-Glu(OtBu)-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Glu(OtBu)-Glu(OtBu)-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Glu-OH (HPLC): ≤ 0.1 % (a/a)
Assay free amino acid (GC): ≤ 0.2 %
Purity (TLC(0811)): ≥ 98 %
Purity (TLC(011A)): ≥ 98 %
Solubility (25 mmole in 50 ml DMF): clearly soluble
Assay (acidimetric): ≥ 95.0 %
Water (K. F.): ≤ 5.0 %
Ethyl acetate (HS-GC): ≤ 0.5 %
Acetate (IC): ≤ 0.02 %

To see the solvent systems used for TLC of Novabiochem^® products please click here.

Legal Information

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable