Acetylides
eMolecules Propargylamine hydrochloride | Combi-Blocks | 15430-52-1 | MFCD00012907 | 91.540 | C3H6ClN | 95.000 | Cl.NCC#C | 25g | 205380423
Propargylamine hydrochloride | Combi-Blocks | 15430-52-1 | MFCD00012907 | 91.540 | C3H6ClN | 95.000 | Cl.NCC#C | 25g | 205380423
![eMolecules 306935-79-5 | Ethyl 2-[4-(trifluoromethoxy)anilino]acetate | MFCD00176763 | 1g](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502185166.JPG-250.jpg)
eMolecules 306935-79-5 | Ethyl 2-[4-(trifluoromethoxy)anilino]acetate | MFCD00176763 | 1g
Medchem Express | Taprenepag | 5mg | 446264757 | HY-14899 | 752187-80-7 | MFCD18633300 | 478.520 | C24H22N4O5S
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(C)C#C | 500g | 874013359](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000470667.jpg-250.jpg)
eMolecules 1066-54-2 | Ethynyltrimethylsilane | AA Blocks LLC | MFCD00008569 | 98.220 | C5H10Si | 0.000 | C[Si](C)(C)C#C | 500g | 874013359
Ethynyltrimethylsilane | AA Blocks LLC | 1066-54-2 | MFCD00008569 | 98.220 | C5H10Si | 0.000 | C[Si](C)(C)C#C | 500g | 874013359
Medchemexpress LLC 4,7,10,13,16,19,22-heptaoxapentacos-24-ynoic acid | 2093154-00-6 | MFCD30536167 | 95.0% | 392.44 | C18H32O9 | 100 MG
Propargyl-PEG7-acid is a PEG7-based linker bearing a terminal propargyl (alkyne) group used for assembling PROTACs, synthesizing antibody-drug conjugates, and performing copper-catalyzed azide-alkyne click reactions.
- Terminal alkyne for CuAAC click chemistry
- PEG7 spacer improves solubility and linker flexibility
- Suitable for PROTAC and ADC linker synthesis
- Available in multiple pack sizes for scalable use
(C)C#C | 1g | 600900009](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000472046.jpg-250.jpg)
eMolecules 1066-54-2 | (Trimethylsilyl)acetylene | Oakwood Chemical | MFCD00008569 | 98.220 | C5H10Si | 98.000 | C[Si](C)(C)C#C | 1g | 600900009
(Trimethylsilyl)acetylene | Oakwood Chemical | 1066-54-2 | MFCD00008569 | 98.220 | C5H10Si | 98.000 | C[Si](C)(C)C#C | 1g | 600900009
eMolecules 76114-73-3 | Propargyl Butylcarbamate | Toronto Research Chemicals | MFCD06411065 | 155.197 | C8H13NO2 | 95.000 | CCCCNC(=O)OCC#C | 500mg | 483432557
Propargyl Butylcarbamate | Toronto Research Chemicals | 76114-73-3 | MFCD06411065 | 155.197 | C8H13NO2 | 95.000 | CCCCNC(=O)OCC#C | 500mg | 483432557
eMolecules 57330-49-1 | 2-METHYL-6-(TRIFLUOROMETHOXY)-1H-INDOLE | MFCD11111712 | 1g
AstaTech | 2-METHYL-6-(TRIFLUOROMETHOXY)-1H-INDOLE | 1g | 200616773 | 69490 | 95.000 | 57330-49-1 | MFCD11111712 | 215.175 | C10H8F3NO
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![eMolecules 22287-32-7 | (Bicyclo[1.1.1]pent-1-yl)methanol | Combi-Blocks | MFCD28040494 | 98.145 | C6H10O | 95.000 | OCC12CC(C1)C2 | 1g | 388722074](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000170645.jpg-250.jpg)
eMolecules 22287-32-7 | (Bicyclo[1.1.1]pent-1-yl)methanol | Combi-Blocks | MFCD28040494 | 98.145 | C6H10O | 95.000 | OCC12CC(C1)C2 | 1g | 388722074
(Bicyclo[1.1.1]pent-1-yl)methanol | Combi-Blocks | 22287-32-7 | MFCD28040494 | 98.145 | C6H10O | 95.000 | OCC12CC(C1)C2 | 1g | 388722074
eMolecules 1260776-51-9 | ChemScene | 4-Bromo-2-ethynylaniline | 100mg | 788449332 | CS-0647038 | MFCD11036454 | 196.047 | C8H6BrN
Medchem Express | Fructo-oligosaccharide DP9|GF8 | 5mg | 495803574 | HY-N6835 | 143625-74-5 | 1477.284 | C54H92O46
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Medchemexpress LLC Propargyl-PEG2-amine | 944561-44-8 | 98.9% | 143.18 g/mol | C7H13NO2 | 500 MG
Propargyl-PEG2-amine is a PEG-based linker used as a non-cleavable linker in antibody-drug conjugate (ADC) synthesis and as a PEG-based PROTAC linker. It is supplied as a liquid reagent for bioconjugation and medicinal chemistry applications.
- Non-cleavable ADC and PROTAC linker for bioconjugation.
- PEG2 spacer with propargyl and amine functional groups.
- High purity (98.9%) suitable for synthesis.
- Liquid appearance, colorless to light yellow.
- Molecular weight 143.18 g/mol; formula C7H13NO2.
- Storage: refrigerate at 4°C, protect from light; in solvent store at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Propargyl-PEG3-OCH2-Boc | 888010-02-4 | 302.36 | 50 MG
Propargyl-PEG3-OCH2-Boc is a PEG-based PROTAC linker designed for use in the synthesis of PROTACs. It functions as a click chemistry reagent due to its Alkyne group, enabling copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups. This compound is strictly for research use and is not intended for patient treatment.
- PEG-based PROTAC linker for PROTAC synthesis
- Click chemistry reagent with Alkyne group
- Enables copper-catalyzed azide-alkyne cycloaddition (CuAAc)
- Reacts with molecules containing Azide groups
- Chemical formula: C15H26O6
- Intended for research use only
eMolecules 1036204-60-0 | Propargyl-PEG6-alcohol | Broadpharm | MFCD27635181 | 276.329 | C13H24O6 | 98.000 | OCCOCCOCCOCCOCCOCC#C | 1g | 229582392
Propargyl-PEG6-alcohol | Broadpharm | 1036204-60-0 | MFCD27635181 | 276.329 | C13H24O6 | 98.000 | OCCOCCOCCOCCOCCOCC#C | 1g | 229582392
Medchemexpress LLC Bis-propargyl-PEG4 | 159428-42-9 | 95.6% | 5 G
Bis-propargyl-PEG4 is a PEG-based bifunctional linker featuring terminal propargyl (alkyne) groups, designed for conjugation chemistry and PROTAC construction. It provides a short, flexible spacer for joining two ligands via click chemistry.
- Bifunctional PEG4 linker with terminal alkyne groups.
- Enables copper-catalyzed azide-alkyne cycloaddition (click chemistry).
- Useful for PROTAC synthesis and dimer formation.
- Low molecular weight (270.32 g/mol) for compact linker design.
- Stable under recommended storage conditions when kept dry and refrigerated.
Medchemexpress LLC Propargyl-PEG8-acid | 2055014-94-1 | 98.0% | 436.49 g/mol | C20H36O10 | 100 MG
Propargyl-PEG8-acid is a propargyl-functionalized polyethylene glycol (PEG8) carboxylic acid linker designed for bioconjugation and linker chemistry. It provides a PEG8 spacer with a terminal alkyne for click chemistry and a carboxylic acid for coupling reactions; it is supplied as a high-purity solid with defined stability and storage requirements.
- Propargyl terminal alkyne suitable for copper-catalyzed click chemistry.
- Peg8 spacer improves solubility and flexibility in conjugates.
- Carboxylic acid functionality enables amide coupling and derivatization.
- High purity (approximately 98.0%) for reliable synthetic performance.
- Molecular weight 436.49 g/mol, formula C20H36O10.
- Available in small-scale packs (100 mg) and larger sizes for scale-up.
- Store at -20°C under inert atmosphere; in solvent, follow recommended cold storage times.
Medchemexpress LLC Propargyl-PEG4-CH2CO2-NHS | 2144777-76-2 | 343.33 | 100 MG
Propargyl-PEG4-CH2CO2-NHS (compound P-7) is a PEG derivative containing a propargyl group and an NHS group. It is an ADC linker used in the synthesis of antibody-drug conjugates (ADCs). It is also categorized as a click chemistry reagent, possessing an alkyne group that enables it to participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with azide-containing molecules.
- PEG derivative with propargyl and NHS groups.
- Acts as an ADC linker for synthesizing antibody-drug conjugates.
- Functions as a click chemistry reagent.
- Contains an alkyne group, allowing for copper-catalyzed azide-alkyne cycloaddition (CuAAc) with azide groups.