Azolines
Medchemexpress LLC M-peg-thiol (mw 550) | 134874-49-0 | MFCD21363241 | 99.0% | 550 (average) | (C2H4O)nC3H8OS | 1 G
m-PEG-thiol (average molecular weight 550) is a methoxy-terminated polyethylene glycol with a terminal thiol (mPEG-SH) used to introduce PEGylation and thiolation onto biomolecules and nanoparticle surfaces. It is commonly employed to modify DNA for loading onto gold nanorods and to provide a reactive thiol for surface conjugation.
- Provides a terminal thiol for covalent surface conjugation.
- Imparts steric stabilization and improved solubility to modified molecules.
- Average molecular weight of 550 for short PEG linker applications.
- High purity suitable for biochemical and nanomaterials research.
- Available in multiple pack sizes for flexible experimental use.
Medchemexpress LLC VH 101, thiol | 2358775-81-0 | 98.7% | C25H31FN4O4S2 | 250 MG
VH 101, thiol is a VHL ligand for the synthesis of PROTACs, suitable for research applications.
- VHL ligand for PROTAC synthesis.
- Appears as a solid.
- Molecular weight of 534.67.
Medchemexpress LLC 2-(2'-Pyridyl)benzimidazole | 1137-68-4 | 99.9% | 195.22 | 5 G
2-(2'-Pyridyl)benzimidazole is a potentially tridentate ligand capable of forming stable complexes with various transition metal ions. It can also function as an anti-inflammatory agent and an inhibitor of *Escherichia coli* methionine aminopeptidase.
- Potentially tridentate ligand
- Forms stable complexes with various transition metal ions
- Can be used as an anti-inflammatory agent
- Functions as an inhibitor of *Escherichia coli* methionine aminopeptidase
Medchemexpress LLC 1-Methyl-5-mercapto-1,2,3,4-tetrazole-d3 | 345909-96-8 | 99.9% | 119.16 | 5 MG
1-Methyl-5-mercapto-1,2,3,4-tetrazole-d3 is the deuterium labeled 1-Methyl-1H-tetrazole-5-thiol. Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Real Thiol | 2280796-90-7 | 98.37% | 411.36 | 1 MG
Real Thiol is a reversible reaction-based fluorescent probe which can quantitatively monitor the real-time glutathione dynamics in living cells.
- Provides ratiometric fluorescence responses with a wide dynamic range when reacting with glutathione.
- Has improved quantum yields and photostability.
- Allows monitoring of glutathione level changes within 1 to 10 mM in both directions in living cells.
eMolecules Oakwood Chemicals Propane-13-dithiol 100g 480152145 101936 109-80-8 MFCD00004904 108.220 C3H8S2
Oakwood Chemicals Propane-13-dithiol 100g 480152145 101936 109-80-8 MFCD00004904 108.220 C3H8S2
Medchemexpress LLC Propanoic acid, 3-(2-mercaptoethoxy)- | 1260092-48-5 | 95.0% | 150.20 g/mol | C5H10O3S | 100 MG
Thiol-PEG1-acid (SH-PEG1-COOH) is a short polyethylene glycol derivative with a terminal thiol and a carboxylic acid. It functions as a bifunctional linker reagent for bioconjugation, enabling selective thiol coupling and formation of amide or ester bonds at the carboxyl terminus. Typical applications include linker synthesis, surface modification, and conjugation to peptides, proteins, or surfaces. Purity is typically 95%.
- Provides a terminal thiol for selective thiol coupling reactions.
- Offers a carboxyl group for amide or ester bond formation.
- Short PEG spacer minimizes steric hindrance in conjugates.
- Soluble in DMSO (approx. 100 MG/ML) for convenient stock solutions.
- Store pure material at -20°C; in solvent store at -80°C for extended stability.
Medchemexpress LLC Thiol-PEG2-acid | 1379649-73-6 | 96.0% | 194.25 | 1 G
Thiol-PEG2-acid is a PEG-based PROTAC linker designed for the synthesis of PROTACs. These molecules exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins by connecting a ligand for an E3 ubiquitin ligase with a ligand for the target protein.
- Utilized in PROTAC synthesis
- Acts as a PROTAC linker
- Supports targeted protein degradation
- Features a molecular formula of C7H14O4S
- Appears as a colorless to light yellow liquid