Organolithium
Medchemexpress LLC N2,N6-bis(tert-butoxycarbonyl)-D-lysine | 65360-27-2 | MFCD00076960 | >95.0% | 346.42 g·mol⁻¹ | C16H30N2O6 | 25 G
N2,N6-bis(tert-butoxycarbonyl)-D-lysine is a Boc-protected derivative of D-lysine used as a building block in peptide synthesis and organic synthesis. It enables temporary protection of both the α- and ε-amino groups to allow selective functionalization and coupling steps.
- Provides dual Boc protection for the α- and ε-amino groups of lysine.
- Facilitates peptide synthesis and selective side-chain modifications.
- Supplied as a colorless to off-white solid-liquid mixture.
- High purity (≥95.0%).
- Recommended storage: pure form -20°C (3 years) or 4°C (2 years).
- Available in 5 g, 10 g, 25 g, and 50 g pack sizes.
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.
Sigma Aldrich Fine Chemicals Biosciences SIGMA ALDRICH FINE CHEMICALS BIOSCIENCES
NC3904241 N-BUTYLLITHIUM SOLUTION
Medchemexpress LLC Methyl 2,3-O-isopropylidene-β-D-ribofuranoside | 4099-85-8 | 96.0% | 204.22 | 5 G
Methyl 2,3-O-Isopropylidene-β-D-ribofuranoside is a furanose derivative that serves as an important intermediate for the synthesis of compounds such as arsenic-containing ribosides. This high-purity chemical is suitable for various research applications.
- Furanose derivative
- Intermediate for synthesizing arsenic-containing ribosides
- 96.0% purity
- Soluble in DMSO (100 mg/mL)
- Multiple in vivo dissolution protocols provided
- Extensive documentation available
- Cited in scientific publications
- For research use only
Medchemexpress LLC S -2- 2- tert-Buto 100g
(S)-2-(2-((tert-Butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanoic acid (Boc-his(trt)-aib-ohol) is a drug intermediate for synthesis of various active compounds
Medchemexpress LLC Methyl 2,3-O-isopropylidene-α-L-rhamnopyranoside | 14133-63-2 | MFCD08703844 | ≥98.0% | 218.25 g·mol⁻¹ | C10H18O5 | 25 MG
Methyl 2,3-O-isopropylidene-α-L-rhamnopyranoside is a protected methyl rhamnopyranoside used as a carbohydrate building block in glycochemistry and glycobiology research. The 2,3-hydroxyls are masked as an isopropylidene acetal, enabling selective transformations at other positions and facilitating oligosaccharide assembly and derivatization. It is supplied as a small-scale reagent for laboratory synthesis and analytical work.
- Protected 2,3-diol as isopropylidene acetal for selective chemistry.
- Suitable building block for oligosaccharide synthesis and derivatization.
- Offered as a stable, easy-to-handle solid for bench-top use.
- Available in small research pack sizes for method development.
- Typically supplied with lot-specific analytical data or certificate of analysis.