Azolines
![Medchemexpress LLC M-PEG-thiol (MW 2000) | 134874-49-0 | 99.8% | COCCOCCS.[MW 2000].[n] | 1 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/default.jpg-250.jpg)
Medchemexpress LLC M-PEG-thiol (MW 2000) | 134874-49-0 | 99.8% | COCCOCCS.[MW 2000].[n] | 1 G
m-PEG-thiol (MW 2000) is a PEG-based PROTAC linker used in the synthesis of PROTACs. This product is intended for research use only.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Exploits the intracellular ubiquitin-proteasome system
- Selectively degrades target proteins
Medchemexpress LLC DSPE-thiol | 144735-82-0 | 90.0% | 836.19 g/mol | C44H86NO9PS | 10 MG
DSPE-thiol is a distearoylphosphatidylethanolamine lipid functionalized with a terminal thiol (-SH) group. It introduces reactive thiol chemistry to lipid assemblies, enabling covalent linkage to maleimide-containing molecules and the creation of phospholipid dimers for nanocarrier and membrane research.
- Provides reactive thiol functionality for selective conjugation with maleimide reagents.
- Facilitates liposome surface functionalization and targeted delivery studies.
- Enables synthesis of phospholipid dimers and cross-linked lipid structures.
- Integrates into lipid bilayers to impart stable, hydrophobic anchoring.
- Supplied in small research-scale quantities for laboratory use.
eMolecules Combi-Blocks Inc. 24-Dichlorothiophenol 25g 603135735 OR-2750 97.000 1122-41-4 MFCD00041421 179.060 C6H4Cl2S
Combi-Blocks Inc. 24-Dichlorothiophenol 25g 603135735 OR-2750 97.000 1122-41-4 MFCD00041421 179.060 C6H4Cl2S
Medchemexpress LLC M-PEG-thiol | 134874-49-0 | MFCD21363241 | 99.0% | 550 (average) | (C2H4O)nC3H8OS | 500 MG
m-PEG-thiol (average MW 550) is a methoxy-terminated polyethylene glycol with a terminal thiol group used to introduce thiol functionality onto surfaces or biomolecules. It is supplied for laboratory research and enables PEGylation and surface bioconjugation.
- Average molecular weight 550 provides a short PEG spacer
- Terminal thiol enables covalent attachment to gold, maleimide reagents, and disulfide exchange
- High reported purity suitable for research applications
- Available in small pack sizes for research workflows, e.g., 500 mg
- Store sealed at -20°C, protected from moisture
Medchemexpress LLC 2,4-Dimethyl-1H-imidazole-5-carbaldehyde | 68282-52-0 | 99.9% | C6H8N2O | 250 MG
2,4-Dimethyl-1H-imidazole-5-carbaldehyde is a drug intermediate for the synthesis of various active compounds.
- Solid appearance
- Light yellow to yellow color
- Molecular weight: 124.14
- Store at -20°C, sealed, away from moisture
- In solvent, store at -80°C for 6 months or -20°C for 1 month (sealed storage, away from moisture)
- Shipping at room temperature (continental US)
![eMolecules Ambeed / Adamantane-1-thiol / 1g / 591798303 / A721944 / / 34301-54-7 / [null] / 168.300 / C10H16S](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502428771.PNG-250.jpg)
eMolecules Ambeed / Adamantane-1-thiol / 1g / 591798303 / A721944 / / 34301-54-7 / [null] / 168.300 / C10H16S
Ambeed / Adamantane-1-thiol / 1g / 591798303 / A721944 / / 34301-54-7 / [null] / 168.300 / C10H16S
Medchemexpress LLC VH 101 thiol | 2358775-81-0 | 98.7% | 534.67 g·mol⁻¹ | C25H31FN4O4S2 | 10 MG
Thiol-functionalized VHL ligand used as a recruiting moiety for von Hippel-Lindau (VHL) E3 ligase in the synthesis of PROTACs. Supplied as a high-purity powder suitable for conjugation and synthetic chemistry applications, with recommended cold storage to preserve stability.
- Thiol-functionalized VHL ligand for PROTAC synthesis
- Molecular formula C25H31FN4O4S2; molecular weight 534.67 g·mol⁻¹
- High purity (98.66%) suitable for synthesis and conjugation
- Recommended storage: powder at -20°C (stable up to 3 years)
- Pack size: 10 mg (other sizes available)
- CAS number 2358775-81-0 for unambiguous identification
Medchemexpress LLC Thiol-PEG6-alcohol | 194425-46-2 | ≥97.0% | 50 MG
Thiol-PEG6-alcohol is a PEG-based PROTAC linker used in the synthesis of PROTACs. PROTACs are molecules containing two different ligands connected by a linker, where one ligand targets an E3 ubiquitin ligase and the other targets a specific protein. They function by exploiting the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Leverages the intracellular ubiquitin-proteasome system
- Selectively degrades target proteins
![Medchemexpress LLC (S)-2-amino-3-(benzo[b]thiophen-3-yl)propanoic acid | 72120-71-9 | MFCD00079684 | >98.5% | 221.28 g/mol | C11H11NO2S | 1 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000299603.png-250.jpg)
Medchemexpress LLC (S)-2-amino-3-(benzo[b]thiophen-3-yl)propanoic acid | 72120-71-9 | MFCD00079684 | >98.5% | 221.28 g/mol | C11H11NO2S | 1 G
(S)-2-Amino-3-(benzo[b]thiophen-3-yl)propanoic acid is the (S)-enantiomer of 3-benzothienylalanine, an alanine derivative bearing a benzothiophene substituent. Supplied as a research-grade amino acid, it is used as a building block in medicinal chemistry and peptide synthesis to introduce a benzothiophene side chain for SAR and conformational studies.
- Enantiomerically defined (S)-configuration for stereospecific synthesis.
- Benzothiophene side chain to modulate hydrophobic and aromatic interactions.
- Suitable as an amino acid building block for peptide and small-molecule synthesis.
- White to off-white solid, convenient for handling and storage.
- Provided for research use only.
- Available in multiple pack sizes for screening and scale-up.
Medchemexpress LLC Hexa(ethylene glycol) dithiol | 89141-22-0 | 500 MG
Hexa(ethylene glycol) dithiol, also known as Thiol-PEG5-thiol (Bis-PEG5-thiol), is a bifunctional thiol cross-linker agent. It is intended for research and development applications, specifically targeting biochemical assay reagents. The chemical has a formula of C12H26O5S2 and a molecular weight of 314.46.
- Bifunctional thiol cross-linker agent
- Targets biochemical assay reagents
- Chemical formula: C12H26O5S2
- Molecular weight: 314.46
- Relative density: 1.113 g/cm³ at 25 °C
- Flash point: >110 °C
- Recommended storage at 2-8 °C
- Handle under nitrogen, protected from moisture
Medchemexpress LLC Thiol-PEG8-acid | 866889-02-3 | 97.0% | 250 MG
Thiol-PEG8-acid is a PEG-based PROTAC linker designed for the synthesis of PROTACs. PROTACs function by connecting two different ligands, one for an E3 ubiquitin ligase and another for the target protein. This mechanism exploits the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Exploits the intracellular ubiquitin-proteasome system
- Selectively degrades target proteins
Cayman Chemical MethImazole 100mg
An inhibitor of thyroid hormone synthesis; a substrate of thyroid peroxidase; traps oxidized iodide and prevents its use by thyroglobulin; inhibits absorption of radiolabeled iodide by the thyroid gland in rats at 0.4 mg/kg; reduces the incidence of lymphocytic thyroiditis in the insulin-dependent type 1 diabetic BB/W rat; has been used to induce hypothyroidism in mice
Medchemexpress LLC DOTA-thiol | 865470-67-3 | MFCD11501203 | 98.9% | 463.55 g/mol | C18H33N5O7S | 10 MG
DOTA-Thiol is a bifunctional chelator - a macrocyclic DOTA derivative - intended for tumor pre-targeting and for conjugation to peptides and radionuclides. It contains a thiol functional group that enables site-specific attachment and is supplied at high purity for research applications.
- Bifunctional chelator with a reactive thiol group
- Enables conjugation of peptides and radionuclides
- Suitable for tumor pre-targeting and radiolabeling workflows
- High purity for research-grade use
- Available in milligram-scale pack sizes for synthesis and labeling
Medchemexpress LLC m-PEG-thiol | 134874-49-0 | MFCD21363241 | 90.0% | 750 Da (average) | (C2H4O)nC3H8OS | 500 MG
m-PEG-thiol (MW 750) is a methoxy-terminated polyethylene glycol with a terminal thiol group used for bioconjugation and surface modification. It provides a hydrophilic spacer for attaching biomolecules and for stabilizing or functionalizing metal nanoparticles via thiol-metal chemistry.
- Average molecular weight 750 Da.
- Thiol-terminated methoxy polyethylene glycol for surface attachment.
- Suitable for DNA thiolation and gold nanoparticle functionalization.
- Purity 90.0%.
- Liquid, colorless to light yellow; store cold (pure form -20°C) to preserve stability.
Medchemexpress LLC m-PEG-thiol | 134874-49-0 | MFCD00803682 | 90.0% | 750 (average) | (C2H4O)nC3H8OS | 250 MG
m-PEG-thiol (average MW 750) is a methoxy-terminated polyethylene glycol bearing a terminal thiol group, supplied as a solid reagent for bioconjugation and nanoparticle surface functionalization. It is commonly used to thiolate DNA and to anchor polymers or biomolecules onto gold and other metal surfaces via thiol-gold chemistry, supporting applications in nanostructure assembly, biosensing, and drug delivery.
- Provides terminal thiol for covalent attachment to metal surfaces and thiol-reactive chemistries.
- Average molecular weight 750 for a short PEG spacer length.
- Supplied as a solid suitable for solution-phase conjugation.
- Reported purity approximately 90%.
- Compatible with DNA thiolation and nanoparticle surface modification protocols.