Phenylcarbamic acid esters
Medchemexpress LLC N,N-dimethylacetamide | 127-19-5 | MFCD00008686 | 87.12 g/mol | C4H9NO | 500 ML
N,N-dimethylacetamide (DMAc) is a polar, aprotic organic solvent used in chemical synthesis, polymer processing, and as a pharmaceutical excipient. It is a clear, colorless to slightly yellow liquid that is miscible with water and many organic solvents. Handle according to the product SDS and use appropriate personal protective equipment.
- Clear, polar aprotic solvent, miscible with water.
- Common applications: reaction solvent, polymer processing, pharmaceutical excipient.
- CAS number 127-19-5; formula C4H9NO; molecular weight 87.12 g/mol.
- Packaged as a 500 mL bottle.
- Consult the safety data sheet for storage, handling, and PPE requirements.
Medchemexpress LLC Benzyl N6-(t-Boc)-L-lysinate | 133170-57-7 | MFCD11045868 | 97.5% | 372.89 g/mol | C18H29ClN2O4 | 50 G
Benzyl N6-(t-Boc)-L-lysinate is a Boc-protected L-lysine derivative supplied for use in organic synthesis and life-science research, commonly used as a protected amino acid building block in peptide synthesis and related synthetic applications.
- Used as a protected amino acid building block in peptide synthesis.
- Boc-protected lysine derivative suitable for organic synthesis.
- Available in solid form with reported purity of 97.49%.
- CAS number 133170-57-7 for chemical identification.
- Store at room temperature, keep dry and cool; in solution: -80°C (2 years), -20°C (1 year).
Medchemexpress LLC (4S)-1-Boc-4-fluoro-D-proline | 681128-50-7 | MFCD08706411 | 97.0% | 233.24 g·mol⁻1 | C10H16FNO4 | 10 G
(4S)-1-Boc-4-fluoro-D-proline is an N-Boc protected, 4-fluoro substituted D-proline derivative used as a synthetic building block in medicinal chemistry and peptide synthesis. It is employed as an amino acid scaffold for preparing peptidomimetics, modified peptides, and small-molecule intermediates.
- N-Boc protected 4-fluoro D-proline scaffold for synthesis.
- Suitable for peptide synthesis and peptidomimetic preparation.
- High purity for research applications (97.0%).
- Well-characterized molecular properties: C10H16FNO4, 233.24 g·mol⁻1.
- Available in multiple pack sizes for synthesis scale flexibility.
Medchemexpress LLC (4S)-1-Boc-4-fluoro-D-proline | 681128-50-7 | 97.0% | 233.24 g·mol⁻¹ | C10H16FNO4 | 25 G
(4S)-1-Boc-4-fluoro-D-proline is a Boc-protected, fluoro-substituted D-proline derivative used as a synthetic building block in organic and medicinal chemistry. It supplies a stereodefined fluorinated proline residue for incorporation into peptides and small molecules, enabling conformation control and exploration of structure-activity relationships.
- Boc-protected amino acid compatible with standard peptide coupling chemistry.
- Fluorine substitution at the 4-position to influence conformational preference and metabolic stability.
- D-configuration (4S) provides stereochemical control for peptide design.
- High chemical purity suitable for synthesis applications.
- Available in gram-scale quantities for preparative synthesis.
Medchemexpress LLC N-docosanoyl taurine | 783284-48-0 | MFCD12912230 | 99.0% | 447.7 g/mol | C24H49NO4S | 1MG
N-docosanoyl taurine is a lipoamino acid (a taurine-conjugated long-chain fatty acid) reported as a discriminatory metabolite in brain-region classification. It is provided as a solid research reagent for biochemical and metabolomic studies and is characterized by CAS 783284-48-0, molecular formula C24H49NO4S, and molecular weight 447.7 g/mol.
- Lipoamino acid with taurine conjugation.
- Reported as a discriminatory metabolite in brain-region studies.
- Solid research reagent with formula C24H49NO4S.
- Molecular weight 447.7 g/mol.
- High purity suitable for analytical and biochemical research.
- Supplied in small research quantities; store at -20 °C.
Cayman Chemical N ketocaproylLHomoserine lac
A bacterial quorum-sensing signaling molecule; produced in the marine bioluminescence bacterium V. fischeri
Medchemexpress LLC Boc-NH-PEG4 | 106984-09-2 | MFCD07779195 | 99.5% | 293.36 | C13H27NO6 | 5 G
Boc-NH-PEG4 is a Boc-protected polyethylene glycol (PEG4) linker used as a spacer in PROTAC, ADC, and other bioconjugation syntheses. It provides a four-unit PEG spacer with a Boc-protected amino terminus that enables orthogonal deprotection and downstream functionalization. The material is supplied as a colorless to light yellow liquid and is suitable as a building block in small-molecule conjugates.
- Four-unit PEG spacer for controlled linker length.
- Boc-protected amino terminus enables orthogonal deprotection and diversification.
- High purity suitable for synthetic applications (about 99.5%).
- Liquid form simplifies handling and dosing.
- Recommended storage at -20°C to preserve stability.
- Compatible with common coupling chemistries for conjugation workflows.
Medchemexpress LLC N-hydroxysulfosuccinimide sodium | 106627-54-7 | MFCD00043100 | 100.0% | 217.13 g/mol | C4H4NNaO6S | 10 G
N-hydroxysulfosuccinimide sodium is a water-soluble N-hydroxysuccinimide derivative used to activate carboxyl groups for conjugation to primary amines, enabling formation of stable amide bonds for bioconjugation and linker synthesis. It is supplied as a solid and in solution forms for research applications.
- Water-soluble activated ester for amine coupling.
- Reacts with carboxyl groups to form stable amide bonds.
- Commonly used in protein and peptide bioconjugation.
- Available in multiple pack sizes, including 10 g.
- High purity suitable for research applications.