Phenylcarbamic acid esters
Medchemexpress LLC N-(Boc-PEG1)-N-bis(PEG2-propargyl) | 2100306-63-4 | 95-98% | 456.57 | 100 MG
N-(Boc-PEG1)-N-bis(PEG2-propargyl) is a PEG-based PROTAC linker used in the synthesis of PROTACs. It also functions as a click chemistry reagent, featuring an Alkyne group that enables copper-catalyzed azide-alkyne cycloaddition (CuAAc) with Azide-containing molecules.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Click chemistry reagent
- Contains an alkyne group
- Capable of undergoing copper-catalyzed azide-alkyne cycloaddition (CuAAc)
Medchemexpress LLC N-(Boc-PEG1)-N-bis(PEG2-propargyl) | 2100306-63-4 | 456.57 | 250 MG
N-(Boc-PEG1)-N-bis(PEG2-propargyl) is a PEG-based PROTAC linker utilized in the synthesis of PROTACs. It also functions as a click chemistry reagent, featuring an alkyne group that can participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing azide groups.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Click chemistry reagent
- Contains an alkyne group
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc)
![Medchemexpress LLC L-lysine, N6-[(1,1-dimethylethoxy)carbonyl]-, phenylmethyl ester, hydrochloride (1:1) | 133170-57-7 | 97.5% | 372.89 g/mol | C18H29ClN2O4 | 25 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000209706.png-250.jpg)
Medchemexpress LLC L-lysine, N6-[(1,1-dimethylethoxy)carbonyl]-, phenylmethyl ester, hydrochloride (1:1) | 133170-57-7 | 97.5% | 372.89 g/mol | C18H29ClN2O4 | 25 G
Benzyl N6-(t-Boc)-L-lysinate is a protected L-lysine derivative used as a reagent and building block in organic synthesis and life-science research.
- Protected lysine derivative (N6-t-Boc) used as a synthetic building block.
- White to off-white solid, suitable for handling in standard lab conditions.
- High purity: 97.5% (LCMS) ensuring reliable analytical performance.
- Molecular weight 372.89 g/mol and formula C18H29ClN2O4.
- Analytical data (1H NMR, LCMS) consistent with structure.
- Storage: store dry and cool; in solvent, store at -80°C for long-term stability.
Medchemexpress LLC N-Methylflindersine | 50333-13-6 | 1 MG
N-Methylflindersine is a compound isolated as insect antifeedants from the East African Rutaceous medicinal plants *Fagara chalybea* and *F. holtziana*. It is intended for research use only.
- High purity (99.91%)
- Isolated from natural sources
- Available with data sheet, COA, and SDS
- Antiinflammatory activity in human neutrophils
- White to off-white solid appearance
- Store at -20°C, sealed, away from moisture and light
Medchemexpress LLC Lys-Nε-SPDB-DM4 | 1280215-91-9 | 99.8% | 1026.69 g/mol | C48H72ClN5O13S2 | 1 MG
Lys-Nε-SPDB-DM4 is a drug-linker conjugate that couples the tubulin inhibitor DM4 to a Lys-Nε-SPDB linker for use in antibody-drug conjugate (ADC) research. Supplied as a high-purity solid, it is intended for conjugation workflows, analytical characterization, and preclinical ADC development.
- High purity (99.8%) solid for research use.
- Contains DM4 tubulin inhibitor linked via Lys-Nε-SPDB for ADC conjugation.
- Molecular weight approximately 1026.69 g/mol.
- White to off-white powder, stable when stored sealed at 4°C.
- Provided in small mg quantities suitable for synthesis and analytical workflows.
Medchemexpress LLC Amino-PEG9-Boc | 1818294-44-8 | 99.9% | C25H51NO11 | 1 G
Amino-PEG9-Boc is a PEG-based PROTAC linker utilized in the synthesis of PROTACs. PROTACs function by connecting two ligands, one for an E3 ubiquitin ligase and another for a target protein, enabling the selective degradation of target proteins through the intracellular ubiquitin-proteasome system.
- PEG-based linker
- Used in the synthesis of PROTACs
- Enables selective degradation of target proteins
- Exploits the intracellular ubiquitin-proteasome system
Medchemexpress LLC N-(Boc-PEG1)-N-bis(PEG2-propargyl) | 2100306-63-4 | 456.57 | 25 MG
N-(Boc-PEG1)-N-bis(PEG2-propargyl) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. It is also a click chemistry reagent, containing an Alkyne group that can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups. PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- PEG-based PROTAC linker
- Can be used in the synthesis of PROTACs
- Click chemistry reagent with an alkyne group
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc)
- Facilitates selective degradation of target proteins
Medchemexpress LLC Carbamic acid, N-(6-bromohexyl)-, 1,1-dimethylethyl ester | 142356-33-0 | MFCD06201019 | 98.0% | 280.20 g/mol | C11H22BrNO2 | 25 G
Boc-NH-C6-Br is a Boc-protected 6-bromohexyl linker used as a non-cleavable linker in antibody-drug conjugate (ADC) research. It features a Boc-protected primary amine for selective deprotection and a terminal bromide for nucleophilic substitution, enabling conjugation to payloads or scaffolds.
- Provides a Boc-protected primary amine for controlled deprotection.
- Contains a terminal bromide for alkylation or substitution reactions.
- Functionally suited as a non-cleavable linker in ADC synthesis.
- Supplied with high purity for research applications.
- Available in multiple package sizes for scale flexibility.
- Data sheet, COA, and SDS available for characterization and safety information.
Medchemexpress LLC Recombinant human calcium and integrin-binding protein 2 (CIB2), N-terminal 6xHis tag | >95.0% | 50 UG
Recombinant human calcium and integrin-binding protein 2 (CIB2) with an N-terminal 6xHis tag, expressed in E. coli and supplied as a filtered solution in Tris-HCl with glycerol. Intended for biochemical, biophysical, and structural studies involving calcium regulation and auditory hair cell mechanotransduction.
- N-terminal 6xHis tag.
- Expressed in E. coli.
- Sequence accession O75838-1 (M1-I187).
- Approximate molecular weight ~25 kDa.
- Purity >95% by reducing SDS-PAGE.
- Supplied as 50 mM Tris-HCl, pH 8.0, 20% glycerol, 0.22 μm filtered solution.
- Store at -80°C; stable at -20°C for short-term; avoid repeated freeze-thaw cycles.
Medchemexpress LLC Proteasome activator complex subunit 3 (PSME3), recombinant human, N-terminal His-tag | 500 UG
Recombinant human proteasome activator subunit 3 (PSME3) with an N-terminal 6xHis tag, expressed in Escherichia coli and supplied lyophilized for research use. The protein corresponds to residues M1-Y254 (UniProt P61289), has an approximate molecular weight of 33 kDa, and is formulated in PBS (pH 7.4) with 8% trehalose. Store at -20°C; after reconstitution, stable at 4°C for 1 week or frozen for long-term storage.
- Species human.
- Expression host Escherichia coli.
- Tag N-terminal 6xHis.
- Sequence range M1-Y254.
- Molecular weight approximately 33 kDa.
- Formulation lyophilized from PBS (pH 7.4) with 8% trehalose.
- Storage store at -20°C; freeze aliquots for extended storage.
- Recommended reconstitution do not reconstitute below 100 μg/mL in ddH2O.
- Specific activity 897.05 pmol/min/μg.