8.52020

Fmoc-Tyr(tBu)-OH

Novabiochem^®

• Synonym(s): Fmoc-Tyr(tBu)-OH, N-α-Fmoc-O-t.-butyl-L-tyrosine
• Empirical Formula (Hill Notation): C₂₈H₂₉NO₅
• CAS Number: 71989-38-3
• Molecular Weight: 459.53
• MDL number: MFCD00037129
• UNSPSC Code: 12352209
• EC Index Number: 276-262-7
• NACRES: NA.22

Properties

• Quality Level: 400
• product line: Novabiochem^®
• form: solid
• reaction suitability: reaction type: Fmoc solid-phase peptide synthesis
• manufacturer/tradename: Novabiochem^®
• mp: 143-155 °C
• application(s): peptide synthesis
• functional group: hydroxyl
• storage temp.: 2-30°C
• InChI: 1S/C28H29NO5/c1-28(2,3)34-19-14-12-18(13-15-19)16-25(26(30)31)29-27(32)33-17-24-22-10-6-4-8-20(22)21-9-5-7-11-23(21)24/h4-15,24-25H,16-17H2,1-3H3,(H,29,32)(H,30,31)
• InChI key: JAUKCFULLJFBFN-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 tyrosine amino-acid residues by Fmoc SPPS

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

Application

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

Linkage

Replaces: 04-12-1037

Analysis Note

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 %

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