Phenylcarbamic acid esters
Medchemexpress LLC Acid-C1-PEG5-Boc | 2304558-22-1 | 97.0% | C17H32O9 | 100 MG
Acid-C1-PEG5-Boc is a PEG-based PROTAC linker used in the synthesis of PROTACs. PROTACs utilize the intracellular ubiquitin-proteasome system to selectively degrade target proteins. This product is for research use only.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Exploits the intracellular ubiquitin-proteasome system
- Selectively degrades target proteins
- Colorless to light yellow liquid
Medchemexpress LLC N-(PEG2-Boc)-N-bis(PEG2-propargyl) | 2100306-69-0 | 485.61 | 25 MG
N-(PEG2-Boc)-N-bis(PEG2-propargyl) is a PEG-based PROTAC linker used in the synthesis of PROTACs. It functions as a click chemistry reagent, possessing an Alkyne group that can engage in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups. PROTACs utilize the intracellular ubiquitin-proteasome system to selectively degrade target proteins. This product is intended for research use only.
- PEG-based PROTAC linker
- Click chemistry reagent
- Contains an Alkyne group for CuAAc reactions
- Utilizes the ubiquitin-proteasome system
- Selectively degrades target proteins
- Intended for research use only
![Medchemexpress LLC L-lysine, N6-[(1,1-dimethylethoxy)carbonyl]-, phenylmethyl ester, hydrochloride (1:1) | 133170-57-7 | MFCD11045868 | 97.5% | 372.89 | C18H29ClN2O4 | 100 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000208294.png-250.jpg)
Medchemexpress LLC L-lysine, N6-[(1,1-dimethylethoxy)carbonyl]-, phenylmethyl ester, hydrochloride (1:1) | 133170-57-7 | MFCD11045868 | 97.5% | 372.89 | C18H29ClN2O4 | 100 G
Benzyl N6-(t-Boc)-L-lysinate hydrochloride is a Boc-protected L-lysine derivative used as a building block in peptide synthesis and organic synthesis. It is supplied as a research-grade biochemical reagent for laboratory use.
- Protected lysine derivative suitable for peptide synthesis.
- Cas number 133170-57-7.
- Molecular formula C18H29ClN2O4; molecular weight 372.89.
- Purity (LCMS) 97.49%.
- Storage: store at room temperature; keep dry and cool.
- Available in laboratory quantities up to 100 g.
Medchemexpress LLC SULT1E1 protein, human (N-His) | >95.0% | 500 UG
Recombinant human SULT1E1 (N-His) is a purified sulfotransferase enzyme expressed in Escherichia coli and supplied as a sterile, lyophilized powder. The protein is characterized by >95% purity by reducing SDS-PAGE, is formulated from 50 mM Tris-HCl, 200 mM NaCl, pH 7.4 with 8% trehalose, and is provided in sizes suitable for biochemical assays and enzyme characterization.
- Recombinant human enzyme with N-terminal His tag
- Expressed in Escherichia coli for consistent expression yield
- Greater than 95.0% purity by reducing SDS-PAGE
- Lyophilized sterile powder for long-term storage
- Lyophilized from 50 mM Tris-HCl, 200 mM NaCl, pH 7.4, 8% trehalose
- Recommended reconstitution concentration not less than 100 μg/mL in ddH2O
Medchemexpress LLC SULT1E1 protein, human (His) | >95.0% | 1 MG
Recombinant human sulfotransferase SULT1E1 with an N-terminal 6xHis affinity tag, provided lyophilized for biochemical and enzymatic research applications such as estrogen metabolism and sulfation assays. Expressed in E. coli and purified to >95% purity, the protein is formulated for stability and intended for research use only.
- Recombinant human enzyme with N-terminal 6xHis tag.
- Expressed in E. coli for high-yield production.
- Purity greater than 95% by reducing SDS-PAGE.
- Lyophilized formulation in 50 mM Tris-HCl, 200 mM NaCl, pH 7.4, 8% trehalose.
- Stable at -20°C; aliquot and store at -20°C or -80°C after reconstitution.
- Suitable for biochemical assays and estrogen sulfation studies.
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-BOC-3-Fluoro-D-phenylalanine | 114873-11-9 | 99.7% | C14H18FNO4 | 25 G
N-BOC-3-Fluoro-D-phenylalanine is a phenylalanine derivative, intended for research use only. Amino acids and their derivatives, like this product, are commercially used as ergogenic supplements and recognized as beneficial dietary substances.
- Influences anabolic hormone secretion
- Supplies fuel during exercise
- Improves mental performance during stress-related tasks
- Prevents exercise-induced muscle damage
Medchemexpress LLC N-Pentadecanoyl-psychosine | 112726-51-9 | 98.0% | C39H75NO8 | 1 MG
N-Pentadecanoyl-psychosine is a glycolipid that can be used in membrane adhesion studies.
- Glycolipid used in membrane adhesion studies
- Provided as a white to off-white solid
- Purity of 98.0%
- Powder can be stored at -20°C for 3 years
- In solvent, store at -80°C for 6 months or -20°C for 1 month
Medchemexpress LLC Boc-C14-COOH | 843666-27-3 | 97.0% | 342.51 g·mol⁻¹ | C20H38O4 | 10 G
Boc-C14-COOH is a Boc-protected C14 alkyl carboxylic acid used as a non-cleavable linker in antibody-drug conjugate (ADC) synthesis and as an alkyl-chain linker for PROTAC design.
- Non-cleavable ADC linker for conjugation chemistry.
- Alkyl-chain PROTAC linker for targeted protein degradation.
- Molecular formula C20H38O4, molecular weight 342.51 g·mol⁻¹.
- Purity typically 97.0% as supplied.
- Available in laboratory pack sizes, including 10 G.
![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.