8.52002

Fmoc-Met-OH

Novabiochem^®

• Synonym(s): Fmoc-Met-OH, N-α-Fmoc-L-methionine
• Empirical Formula (Hill Notation): C₂₀H₂₁NO₄S
• CAS Number: 71989-28-1
• Molecular Weight: 371.45
• UNSPSC Code: 12352209
• EC Index Number: 276-258-5
• NACRES: NA.22
• MDL number: MFCD00037134

Properties

• Quality Level: 400
• product line: Novabiochem^®
• assay: ≥98% (TLC), ≥98.0% (acidimetric), ≥99.0% (HPLC)
• form: powder
• reaction suitability: reaction type: Fmoc solid-phase peptide synthesis
• manufacturer/tradename: Novabiochem^®
• mp: 130-140 °C
• application(s): peptide synthesis
• functional group: Fmoc
• storage temp.: 2-30°C
• SMILES string: S(CCC(NC(=O)OCC1c2c(cccc2)c3c1cccc3)C(=O)O)C
• InChI: 1S/C20H21NO4S/c1-26-11-10-18(19(22)23)21-20(24)25-12-17-15-8-4-2-6-13(15)14-7-3-5-9-16(14)17/h2-9,17-18H,10-12H2,1H3,(H,21,24)(H,22,23)
• InChI key: BUBGAUHBELNDEW-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 methionine amino-acid residues by Fmoc SPPS

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

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-Met-OH (HPLC): ≤ 0.2 % (a/a)
Fmoc-Met-Met-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.

Other Notes

Replaces: 04-12-1003

Legal Information

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

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable