8.52011
Fmoc-Leu-OH
Novabiochem®
Synonym(s):
Fmoc-Leu-OH, N-α-Fmoc-L-leucine
Sign Into View Organizational & Contract Pricing
Select a Size
Select a Size
Change View
About This Item
Empirical Formula (Hill Notation):
C21H23NO4
CAS Number:
Molecular Weight:
353.41
MDL number:
UNSPSC Code:
12352209
EC Index Number:
252-662-7
NACRES:
NA.22
Quality Level
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
145-153 °C
application(s)
peptide synthesis
functional group
Fmoc
storage temp.
2-30°C
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 leucine amino-acid residues by Fmoc SPPS
Associated Protocols and Technical Articles
Fmoc-amino acids for Peptide Production
Cleavage and Deprotection Protocols for Fmoc SPPS
Associated Protocols and Technical Articles
Fmoc-amino acids for Peptide Production
Cleavage and Deprotection Protocols for Fmoc SPPS
Application
- Fmoc-protection efficiency: Addressing the efficiency and recrystallization needs in the Fmoc-protection process (R Yoshino et al., 2017).
- Isotopic labeling for NMR: Development of 17O isotopic labeling of N-Formyl-MLF-OH and related building blocks, enhancing NMR spectroscopy applications (M Ha et al., 2021).
- Perovskite solar cell modification: Investigating the role of Fmoc-Leu-OH in modifying perovskite film to enhance solar cell efficiency (J Song et al., 2022).
Linkage
Replaces: 04-12-1025
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-Leu-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Leu-Leu-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Ile-OH (GC): ≤ 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.
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-Leu-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Leu-Leu-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Ile-OH (GC): ≤ 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
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service