Acetylides
Medchemexpress LLC 4-Ethynylaniline | 14235-81-5 | 117.15 | 5 G
4-Ethynylaniline is a biochemical reagent that can be used as a biological material or organic compound for life science-related research. It is a click chemistry reagent containing an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
- Used in click chemistry
- Contains an alkyne group
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc)
- Biochemical assay reagent
Medchemexpress LLC Bis-propargyl-PEG8 100mg | 1092554-87-4 | 446.53 | C22H38O9 | 100 MG
Bis-propargyl-PEG8 is a PEG-based linker bearing two terminal propargyl (alkyne) groups designed for click-chemistry conjugation. It provides a flexible PEG8 spacer for use in PROTAC synthesis and other bioconjugation workflows, enabling copper-catalyzed azide-alkyne cycloaddition (CuAAC) between azide- and alkyne-functionalized partners.
- Contains two terminal alkyne groups for CuAAC click chemistry.
- Peg8 spacer improves solubility and provides flexible linker length.
- Suitable for synthesis of PROTACs and other bioconjugates.
- Available in laboratory-scale pack sizes for research use.
- Provided as a ready-to-use reagent for organic synthesis workflows.
Aobchem 3-Butyn-2-ol 4-(2-chlorophenyl)- | 95% | CAS 893746-84-4 | C10H9ClO | 500mg
3-Butyn-2-ol 4-(2-chlorophenyl)- | 95% | CAS 893746-84-4 | C10H9ClO | 500mg
eMolecules 764-37-4 | (E)-Pent-3-en-1-ol | ChemScene | MFCD07636756 | 86.134 | C5H10O | 97.000 | C\C=C\CCO | 50mg | 894452652
(E)-Pent-3-en-1-ol | ChemScene | 764-37-4 | MFCD07636756 | 86.134 | C5H10O | 97.000 | C\C=C\CCO | 50mg | 894452652
Medchemexpress LLC VQW-765 | 669770-29-0 | 99.6% | 294.39 | 25 MG
VQW-765 (AQW-051) is a selective and orally active alpha-7 nicotinic acetylcholine receptor (α7-nAChR) agonist. It demonstrates anxiolytic-like effects in vivo and is suitable for research into anxiety disorders and acute performance anxiety.
- Selective and orally active α7-nAChR agonist.
- Demonstrates anxiolytic-like effects in vivo.
- Suitable for research on anxiety disorder and acute performance anxiety.
- Increases cognitive effect and learning/memory performance.
Medchemexpress LLC Propargyl-PEG12-OH 100mg | 1036204-61-1 | 584.69 | C27H52O13 | 100 MG
Propargyl-PEG12-OH is a PEG12-based propargyl (alkyne) linker used as a click-chemistry reagent for PROTAC synthesis and bioconjugation. It contains a terminal alkyne that undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAC) to conjugate with azide-containing molecules. Supplied for research use in multiple pack sizes.
- Contains terminal alkyne for CuAAC (click chemistry).
- PEG12 spacer provides water solubility and conformational flexibility.
- High purity suitable for organic synthesis and conjugation reactions.
- Available in mg to g pack sizes for lab-scale synthesis.
STA Pharmaceutical 2'-propargyl G(iBu) amidite | 5 g | CAS 171486-61-6 | MDL MFCD28976150
2'-propargyl G(iBu) amidite is a Amidite reagent (Subcategory: 2'-propargyl Series) sold by WuXi TIDES. Offered in 5 g. Store at -20 °C. SDS available for reference.
Specifications
- CAS: 171486-61-6
- MDL: MFCD28976150
- InChIKey: AGWGPRXHCUPJJO-VCGWOZLGSA-N
- Molecular Weight: 893.978761998
- Molecular Formula: C47H56N7O9P
- Purity: ≥95%
- Container Type: 100 mL Glass (Septum)
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 100.4 g
- Commodity Code: 29349990
- Country Of Origin: China
- IUPAC: (2R,3R,4R,5R)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(2-isobutyramido-6-oxo-1,6-dihydro-9H-purin-9-yl)-4-(prop-2-yn-1-yloxy)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite
- SMILES: CC(N(P(O[C@H]1[C@H]([C@@H](O[C@@H]1COC(C2=CC=C(C=C2)OC)(C3=CC=C(C=C3)OC)C4=CC=CC=C4)N5C(N=C(N6)NC(C(C)C)=O)=C(N=C5)C6=O)OCC#C)OCCC#N)C(C)C)C
![Medchemexpress LLC Propanoic acid, 3-[2-[[2-(2-propyn-1-yloxy)ethyl]dithio]ethoxy]- | 1807503-85-0 | >95.0% | 264.36 g/mol | C10H16O4S2 | 100 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000204167.png-250.jpg)
Medchemexpress LLC Propanoic acid, 3-[2-[[2-(2-propyn-1-yloxy)ethyl]dithio]ethoxy]- | 1807503-85-0 | >95.0% | 264.36 g/mol | C10H16O4S2 | 100 MG
Propargyl-PEG1-SS-PEG1-acid is a cleavable two-unit polyethylene glycol (PEG) linker containing a propargyl (alkyne) group and a disulfide bond, terminating in a carboxylic acid. It is intended for click-chemistry-enabled bioconjugation and as a reducible linker in antibody-drug conjugate synthesis.
- Cleavable disulfide linkage for reductive release.
- Alkyne handle compatible with copper-catalyzed azide-alkyne cycloaddition.
- Carboxylic acid terminus for amide coupling or further functionalization.
- Purity typically ≥95%.
- Available in multiple sizes, including 100 mg.
- Stable when stored under recommended temperatures.
Medchemexpress LLC Propargyl-PEG3-acid | 1347760-82-0 | 99.1% | 216.23 g/mol | C10H16O5 | 5 G
Propargyl-PEG3-acid is a PEG-based bifunctional linker bearing a terminal propargyl (alkyne) group and a carboxylic acid. It is used in bioconjugation and medicinal chemistry applications such as click chemistry and PROTAC or ADC linker construction.
- Contains a terminal alkyne for copper-catalyzed azide-alkyne cycloaddition
- Three-unit PEG spacer improves solubility and flexibility
- Carboxylic acid functionality enables standard coupling chemistries
- High purity (99.14%) and liquid form, colorless to light yellow
- Available in multiple sizes, including a 5 g package; recommended storage: -20°C for long-term stability
Medchemexpress LLC Propargyl-PEG8-NH2 | 1196732-52-1 | 98.0% | 10 G
Propargyl-PEG8-NH2 is a PEG-based PROTAC linker used in the synthesis of PROTACs. It is also a non-cleavable ADC linker utilized in the synthesis of antibody-drug conjugates (ADCs). This compound is 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
- Non-cleavable adc linker
- Click chemistry reagent
- Contains an alkyne group
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc)
eMolecules 106-96-7 | Propargyl bromide | Broadpharm | MFCD00000241 | 118.961 | C3H3Br | 0.000 | BrCC#C | 500g | 795361322
Propargyl bromide | Broadpharm | 106-96-7 | MFCD00000241 | 118.961 | C3H3Br | 0.000 | BrCC#C | 500g | 795361322
Chem-Impex International, Inc. 3-Ethynylaniline | MFCD00014779 | 5G
3-Ethynylaniline, MFCD00014779, 5G
eMolecules 1703955-84-3 | 5-Fluoro-2-(trifluoromethoxy)-DL-phenylalanine | Apollo Scientific267.180 | C10H9F4NO3 | 95.000 | NC(Cc1cc(F)ccc1OC(F)(F)F)C(O)=O | 1g | 562457991
5-Fluoro-2-(trifluoromethoxy)-DL-phenylalanine | Apollo Scientific | 1703955-84-3267.180 | C10H9F4NO3 | 95.000 | NC(Cc1cc(F)ccc1OC(F)(F)F)C(O)=O | 1g | 562457991
Medchemexpress LLC Propargyl-PEG1-bromide | 18668-74-1 | MFCD00099299 | 98.0% | 163.01 g/mol | C5H7BrO | 250 MG
Propargyl-PEG1-bromide is a PEG-derived reagent bearing a propargyl (alkynyl) group and a terminal bromide. It serves as a reactive building block for introducing a short PEG1 spacer with an alkyne handle in synthesis workflows for chemical biology, bioconjugation, and drug delivery linker development.
- Small PEG spacer with propargyl functional group.
- Terminal bromide for alkylation or nucleophilic substitution reactions.
- Compatible with click chemistry and linker installation workflows.
- Useful for drug delivery and bioconjugation research applications.
- Molecular weight 163.01 g/mol.
- Chemical formula C5H7BrO.
- CAS number 18668-74-1.
- Typical purity 98.0%.
Medchemexpress LLC Bis-propargyl-PEG6 100mg | 400775-35-1 | 358.43 g·mol⁻¹ | C18H30O7 | 100 MG
Bis-propargyl-PEG6 is a polyethylene glycol (PEG) linker bearing two terminal propargyl (alkyne) groups separated by a six-unit PEG spacer. It supplies clickable alkyne handles for copper-catalyzed azide-alkyne cycloaddition (CuAAC) and is used to build bifunctional molecules such as PROTACs, polymer-linked multimers, and other bioconjugates. Molecular formula C18H30O7; MW 358.43 g·mol⁻1; CAS 400775-35-1.
- Provides two terminal alkyne handles for click chemistry.
- Six-unit PEG spacer improves aqueous solubility and flexibility.
- Well suited for PROTAC linker construction and bioconjugation.
- Compatible with copper-catalyzed azide-alkyne cycloaddition (CuAAC).
- Typically supplied as a 100 MG package; store at -20 °C for stability.