Organolithium
Medchemexpress LLC (S)-2-(2-((tert-butoxycarbonyl)amino)propanamido)acetic acid | 28782-78-7 | MFCD00235759 | 97.0% | 246.26 g/mol | C10H18N2O5 | 5 G
(S)-2-(2-((tert-Butoxycarbonyl)amino)propanamido)acetic acid is a Boc-protected glycine derivative used as a peptide fragment and building block in medicinal chemistry and peptide synthesis. It is supplied as a white to off-white solid with formula C10H18N2O5 and molecular weight 246.26 g/mol; CAS 28782-78-7. Typical applications include incorporation into peptides, synthetic modification, and structure-activity studies.
- Boc-protected amino acid derivative for incorporation into peptides.
- High purity suitable for research use (97.0%).
- Solid, white to off-white form for straightforward handling.
- Stable under recommended storage conditions to preserve integrity.
- Useful as a building block in medicinal chemistry and peptide synthesis.
eMolecules Ambeed / Indium(III) trifluoromethanesulfonate / 250mg / 521394381 / A109212 / / 128008-30-0 / MFCD00144478 / 562.010 / C3F9InO9S3
Ambeed / Indium(III) trifluoromethanesulfonate / 250mg / 521394381 / A109212 / / 128008-30-0 / MFCD00144478 / 562.010 / C3F9InO9S3
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.
Medchemexpress LLC α-D-Galactopyranose, 1,2:3,4-di-O-isopropylidene | 4064-06-6 | MFCD00063225 | 97.0% | 260.28 g·mol⁻¹ | C12H20O6 | 10 G
1,2:3,4-Di-O-isopropylidene-α-D-galactopyranose is a protected carbohydrate derivative used as a synthetic intermediate in organic and glycochemistry research. It temporarily masks the 1,2 and 3,4 hydroxyl groups of D-galactopyranose to enable selective transformations. Supplied as a colorless to light yellow liquid with supplier-stated purity around 97% and molecular weight 260.28 g·mol⁻1.
- Protected hydroxyl groups enable selective reactions.
- Suitable for glycosylation and carbohydrate synthesis.
- High supplier-stated purity reduces need for additional purification.
- Liquid form facilitates handling and dosing in small-scale synthesis.
- Common building block for medicinal chemistry and glycochemistry.
Medchemexpress LLC N2,N6-bis(tert-butoxycarbonyl)-D-lysine | 65360-27-2 | MFCD00076960 | ≥95.0% | 346.42 | C16H30N2O6 | 5 G
N2,N6-Bis(tert-butoxycarbonyl)-D-lysine is a Boc-protected derivative of D-lysine used as a protected amino acid building block in peptide synthesis and organic synthesis. Protection of both the N2 and N6 amino groups enables selective coupling and deprotection sequences, making it useful for multi-step peptide assembly and derivatization. Supplied as a solid for research use.
eMolecules Ambeed Ethyl 2-(3-((tert-butoxycarbonyl)amino)bicyclo[1 1 1]pentan-1-yl)acetate 250mg 586039502 A984141 0 000 2096992-05-9 MFCD30728476 269 341 C14H23NO4
Ambeed Ethyl 2-(3-((tert-butoxycarbonyl)amino)bicyclo[1 1 1]pentan-1-yl)acetate 250mg 586039502 A984141 0 000 2096992-05-9 MFCD30728476 269 341 C14H23NO4
Medchemexpress LLC S -2- 2- tert-Buto 5g
(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 N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine | 181951-92-8 | MFCD07781259 | ≥98.0% | 517.57 | C30H31NO7 | 250 MG
N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine is an Fmoc-protected derivative of L-phenylalanine used as a building block in peptide synthesis and related peptide chemistry applications. It features an N-Fmoc protecting group on the amine and a tert-butoxycarbonylmethoxy protecting group at the 4-position of the phenyl ring, supplied as a solid powder with reported high purity for synthetic use.
- Fmoc-protected amino acid for solid-phase peptide synthesis.
- Tert-butoxycarbonylmethoxy group at the 4-position provides orthogonal protection.
- Molecular formula: C30H31NO7.
- Molecular weight approximately 517.6 daltons.
- Purity by NMR: ≥98.0%.
- Solid powder form; store at -20°C for long-term stability.
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.