Acetylides
eMolecules 106-96-7 | Propargyl bromide (80% wt.in toluene) contains 0.3% magnesium oxide as stabilizer | Oakwood Chemical211.102 | C10H11Br | 0.000 | BrCC#C.Cc1ccccc1 | 250g | 716994726
Propargyl bromide (80% wt.in toluene) contains 0.3% magnesium oxide as stabilizer | Oakwood Chemical | 106-96-7211.102 | C10H11Br | 0.000 | BrCC#C.Cc1ccccc1 | 250g | 716994726
eMolecules 106-96-7 | Propargyl bromide (80% wt.in toluene) contains 0.3% magnesium oxide as stabilizer | Oakwood Chemical211.102 | C10H11Br | 0.000 | BrCC#C.Cc1ccccc1 | 5g | 870167070
Propargyl bromide (80% wt.in toluene) contains 0.3% magnesium oxide as stabilizer | Oakwood Chemical | 106-96-7211.102 | C10H11Br | 0.000 | BrCC#C.Cc1ccccc1 | 5g | 870167070
![eMolecules 2197502-05-7 | 3-Methoxybicyclo[1.1.1]pentan-1-amine hydrochloride | Combi-Blocks, Inc. | MFCD30489933 | 149.620 | C6H12ClNO | 97.000 | Cl.COC12CC(N)(C1)C2 | 5g | 818524322](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000162428.jpg-250.jpg)
eMolecules 2197502-05-7 | 3-Methoxybicyclo[1.1.1]pentan-1-amine hydrochloride | Combi-Blocks, Inc. | MFCD30489933 | 149.620 | C6H12ClNO | 97.000 | Cl.COC12CC(N)(C1)C2 | 5g | 818524322
3-Methoxybicyclo[1.1.1]pentan-1-amine hydrochloride | Combi-Blocks, Inc. | 2197502-05-7 | MFCD30489933 | 149.620 | C6H12ClNO | 97.000 | Cl.COC12CC(N)(C1)C2 | 5g | 818524322
![eMolecules 2007921-20-0 | 3-aminobicyclo[1.1.1]pentan-1-ol hydrochloride | Pharmablock | MFCD28501812 | 135.590 | C5H10ClNO | 97.000 | Cl.NC12CC(O)(C1)C2 | 2.5g | 686938324](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000170617.jpg-250.jpg)
eMolecules 2007921-20-0 | 3-aminobicyclo[1.1.1]pentan-1-ol hydrochloride | Pharmablock | MFCD28501812 | 135.590 | C5H10ClNO | 97.000 | Cl.NC12CC(O)(C1)C2 | 2.5g | 686938324
3-aminobicyclo[1.1.1]pentan-1-ol hydrochloride | Pharmablock | 2007921-20-0 | MFCD28501812 | 135.590 | C5H10ClNO | 97.000 | Cl.NC12CC(O)(C1)C2 | 2.5g | 686938324
Medchemexpress LLC 4,7,10,13,16-pentaoxanonadec-18-ynoic acid | 1245823-51-1 | MFCD22201536 | ≥98.0% | 304.34 g/mol | C14H24O7 | 1 G
Propargyl-PEG5-acid is a PEG-based linker bearing a terminal propargyl (alkyne) group and a free carboxylic acid. It is used as a click-chemistry reagent and as a non-cleavable five-unit PEG spacer for bioconjugation workflows such as PEGylation and antibody-drug conjugate linker synthesis. The material is supplied as a colorless to light-yellow liquid with ≥98.0% purity and is intended for research use; store protected from light at -20°C, or in solution at -80°C for longer-term storage.
- Contains terminal propargyl alkyne for copper-catalyzed azide-alkyne cycloaddition.
- Five-unit PEG spacer improves solubility and reduces aggregation.
- Free carboxylic acid enables conjugation through standard activation chemistries.
- High purity (≥98.0%) for reproducible research results.
- Colorless to light-yellow liquid; stable when stored protected from light at -20°C.
- Intended for research use only; not validated for clinical applications.
Medchemexpress LLC Propargyl-PEG1-NH2 100mg | 122116-12-5 | 99.13 g/mol | C5H9NO | 100 MG
Propargyl-PEG1-NH2 is a short polyethylene glycol linker bearing a terminal propargyl (alkyne) group and a primary amine. It is used as a bifunctional coupling handle in medicinal chemistry and bioconjugation workflows, and is compatible with click chemistry for assembling conjugates such as PROTACs.
- Short PEG1 linker with terminal alkyne and primary amine.
- Facilitates copper-catalyzed azide-alkyne cycloaddition (click) conjugations.
- High purity (98.8%) suitable for research and synthetic applications.
- Available in small research pack sizes for rapid screening and synthesis.
- Store at 4°C and protect from light; aliquot prepared solutions to avoid repeated freeze-thaw cycles.
Medchemexpress LLC Ws-917 | 10 MG
WS-917 is a small-molecule research compound characterized as a potent, orally active ABCB1 (P-glycoprotein) modulator. It enhances ABCB1 ATPase activity, promotes CD8+ T-cell activation, and has been shown to potentiate the antitumor effect of paclitaxel when combined with anti-PD-1 therapy. Intended for research use; follow appropriate storage and handling.
- Potent, orally active ABCB1 modulator.
- Enhances ABCB1 ATPase activity.
- Promotes CD8+ T-cell activation.
- Shown to enhance paclitaxel antitumor effect in combination with anti-PD-1 therapy.
- Molecular formula C16H13N5OS2; molecular weight 355.44 g/mol.
- Recommended storage: 4°C under nitrogen; in solution store at -80°C (up to 6 months) or -20°C (up to 1 month) under nitrogen.
Medchemexpress LLC Propargyl-PEG1-bromide | 18668-74-1 | MFCD00099299 | 98.0% | 163.01 | C5H7BrO | 1 G
Propargyl-PEG1-bromide is an alkyne-functionalized short polyethylene glycol (PEG) linker bearing a terminal bromide. It is used in bioconjugation and medicinal chemistry to introduce a clickable propargyl handle while providing a reactive leaving group for further substitution, enabling efficient incorporation of a short PEG spacer into synthetic linkers and small-molecule constructs.
- Provides an alkyne (propargyl) handle for click chemistry.
- Contains a terminal bromide for nucleophilic substitution reactions.
- Short PEG1 spacer improves solubility and minimizes steric hindrance.
- Molecular weight ~163.01 g/mol for predictable stoichiometry.
- Suitable for linker synthesis, bioconjugation, and small-molecule modification.
Medchemexpress LLC Fmoc-amino-PEG3-CH2COOH | 139338-72-0 | 99.8% | 429.46 | 500 MG
Fmoc-amino-PEG3-CH2COOH is a PEG-based PROTAC linker. It is used in the synthesis of PROTACs, which are molecules containing two different ligands connected by a linker. One ligand is for an E3 ubiquitin ligase and the other is for the target protein. PROTACs utilize the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- PEG-based PROTAC linker
- Can be used in the synthesis of PROTACs
Matrix Scientific 2-Propynylamine, 2450-71-7, MFCD00008198, 25g
Molecular Formula C3H5N, Purity 98%, Molecular Weight 55.08, Boiling Point 83
Sigma Organic Chemistry Propargylamine | 250G | 2450-71-7 | MFCD00008198
Propargylamine , 250G
About this item:
CAS #: 2450-71-7
MDL #: MFCD00008198
Purity: 98%
Chemical Formula: C3H5N
Molecular Weight: 55.08
UNSPSC Code: 12352100
Medchemexpress LLC Propargyl-PEG2-OH | 7218-43-1 | 99.7% | 25 G
Propargyl-PEG2-OH is a versatile PEG-based PROTAC linker. This compound is instrumental in the synthesis of Thalidomide-O-PEG2-propargyl and serves as a key reagent in click chemistry. Its unique Alkyne group facilitates efficient copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups, enabling broad applications in chemical synthesis and biochemical research.
- Functions as a PEG-based PROTAC linker
- Utilized in the synthesis of Thalidomide-O-PEG2-propargyl
- Acts as a click chemistry reagent
- Contains an Alkyne group
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc) with azide-containing molecules
Medchemexpress LLC Propargyl-PEG3-amine | 932741-19-0 | ≥98.0% | 187.24 | 250 MG
Propargyl-PEG3-amine 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.
- PEG-based PROTAC linker
- Functions as a click chemistry reagent
- Contains an alkyne group for copper-catalyzed azide-alkyne cycloaddition (CuAAc)
- Reacts with molecules containing azide groups
- Used in the synthesis of PROTACs