Organolithium
Medchemexpress LLC N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine | 181951-92-8 | MFCD07781259 | >98.0% | 517.57 g/mol | C30H31NO7 | 1 G
N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine is an Fmoc-protected phenylalanine derivative used as a protected amino acid building block for peptide synthesis and chemical research. It features a tert-butoxycarbonyl-protected methoxy substituent at the 4-position of the aromatic ring and is supplied as a solid with formula C30H31NO7 and molecular weight 517.57 g/mol. Typical purity is ≥98.0% and recommended storage is powder: -20°C (up to 3 years) or 4°C (up to 2 years); in solvent: -80°C (up to 6 months) or -20°C (up to 1 month).
- Fmoc-protected amino acid suitable for solid-phase peptide synthesis.
- Boc-protected methoxy group at the 4-position of the aromatic ring.
- Chemical formula C30H31NO7 and molecular weight 517.57 g/mol.
- Purity ≥98.0% by 1H NMR.
- Supplied as a solid; follow recommended powder and solvent storage conditions.
- Intended for research use only.
Medchemexpress LLC N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine | 181951-92-8 | >=98.0% | 517.57 | C30H31NO7 | 5 G
N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine is an Fmoc-protected phenylalanine derivative used as a building block in peptide synthesis and related organic chemistry applications.
- Purity ≥98.0% (NMR).
- Molecular weight 517.57 g/mol.
- Molecular formula C30H31NO7.
- Appearance: powder.
- Storage: powder -20°C for up to 3 years or 4°C for up to 2 years; in solvent -80°C for up to 6 months or -20°C for up to 1 month.
- CAS number 181951-92-8.
Medchemexpress LLC 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose | 4064-06-6 | MFCD00063225 | 97.0% | 260.28 g/mol | C12H20O6 | 50 G
1,2:3,4-Di-O-isopropylidene-α-D-galactopyranose is an isopropylidene-protected derivative of D-galactopyranose used as a synthetic building block and reagent in carbohydrate chemistry and glycobiology research. It is employed to protect vicinal diols during multistep syntheses, enabling selective modifications and assembly of oligosaccharides.
- Protects 1,2- and 3,4-hydroxyl groups for selective carbohydrate transformations.
- Useful building block for oligosaccharide synthesis and glycoconjugate preparation.
- Available as a high-purity reagent suitable for analytical and synthetic work.
- Soluble in common organic solvents used in synthetic protocols.
- Facilitates regioselective functionalization of galactose derivatives.
Medchemexpress LLC 2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)acetic acid | 171557-31-6 | 97.0% | 303.35 g/mol | C14H25NO6 | 5 G
2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)acetic acid is a tert-butoxy-protected glycine derivative supplied as a solid reagent for research and analytical applications. It is commonly used as an intermediate in peptide synthesis and organic chemistry.
- Chemical formula C14H25NO6.
- Molecular weight 303.35 g/mol.
- Purity 97.0%.
- Physical form solid (powder).
- Available sizes 1 g, 5 g, 10 g, 50 g (quote).
- Storage powder: -20 °C (3 years) or 4 °C (2 years); in solvent: -80 °C (6 months) or -20 °C (1 month).
Medchemexpress LLC Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate | 134167-07-0 | MFCD18837831 | 97.0% | 233.26 g/mol | C10H19NO5 | 10 G
Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate is a Boc-protected O-methyl derivative of L-serine used as an intermediate in peptide and organic synthesis. It is supplied as a solid with defined purity and storage recommendations.
- Boc-protected O-methyl L-serine methyl ester.
- Used as an intermediate in peptide and organic synthesis.
- Molecular formula: C10H19NO5.
- Molecular weight: 233.26 g/mol.
- Purity: 97.0%.
- Storage: pure form -20°C (3 years), 4°C (2 years); in solvent -80°C (6 months), -20°C (1 month).
- Available pack sizes: 250 mg, 500 mg, 1 g, 5 g, 10 g, 25 g, 50 g (quote).