Phenylcarbamic acid esters
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 Tert-butyl N-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethyl]carbamate | 811442-84-9 | MFCD16619339 | >=98.0% | 336.42 g/mol | C15H32N2O6 | 10 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000204273.png-250.jpg)
Medchemexpress LLC Tert-butyl N-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethyl]carbamate | 811442-84-9 | MFCD16619339 | >=98.0% | 336.42 g/mol | C15H32N2O6 | 10 G
Boc-NH-PEG4-CH2CH2NH2 is a Boc-protected PEG4 diamine linker used as a cleavable spacer in antibody-drug conjugate (ADC) synthesis and as a linker in PROTAC and other bioconjugation chemistries.
- Boc-protected terminal amine for orthogonal deprotection.
- Peg4 spacer provides a short, flexible linkage for conjugation.
- Tert-butyl N-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethyl]carbamate is the preferred IUPAC name.
- High purity (≥98.0%).
- Molecular weight 336.42 g/mol and molecular formula C15H32N2O6.
- Storage at 4°C, protected from light; in solvent: -80°C (6 months) or -20°C (1 month).
- Available in multiple pack sizes, including 10 G.
Cayman Chemical N ketocaproylLHomoserine lac
A bacterial quorum-sensing signaling molecule; produced in the marine bioluminescence bacterium V. fischeri
Medchemexpress LLC PSME3 protein, human (N-His) | 5 UG
Recombinant human PSME3 (proteasome activator complex subunit 3) expressed in E. coli with an N-terminal His tag. Supplied as a lyophilized powder formulated in PBS with trehalose; suitable for biochemical assays and activity measurements.
- Approximately 33 kDa molecular weight.
- Lyophilized powder formulated in PBS, pH 7.4, with 8% trehalose.
- Endotoxin level <1 EU/μg (LAL method).
- Specific activity ~897.05 pmol/min/μg (suc-LLVY-AMC assay).
- Reconstitution recommended at ≥100 μg/mL in ddH2O.
- Store at -20°C; aliquot and freeze at -20°C or -80°C for long-term storage.
eMolecules Ambeed / tert-Butyl (2-(2-(2-hydroxyethoxy)ethoxy)ethyl)carbamate / 100mg / 552604526 / A163205 / / 139115-92-7 / MFCD07357496 / 249.307 / C11H23NO5
Ambeed / tert-Butyl (2-(2-(2-hydroxyethoxy)ethoxy)ethyl)carbamate / 100mg / 552604526 / A163205 / / 139115-92-7 / MFCD07357496 / 249.307 / C11H23NO5