Acetylides
eMolecules 2949-26-0 | Naphthylene-2-acetylene | Oakwood Chemicals | MFCD00870424 | 152.196 | C12H8 | 98.000 | C#Cc1ccc2ccccc2c1 | 1g | 486555901
Naphthylene-2-acetylene | Oakwood Chemicals | 2949-26-0 | MFCD00870424 | 152.196 | C12H8 | 98.000 | C#Cc1ccc2ccccc2c1 | 1g | 486555901
Medchemexpress LLC Propargyl-PEG8-NH2 | 1196732-52-1 | MFCD28334507 | ≥98.0% | 407.50 g/mol | C19H37NO8 | 1 G
Propargyl-PEG8-NH2 is a polyethylene glycol (PEG8) alkyne linker bearing a terminal primary amine. It is used as a non-cleavable linker in conjugation chemistry, including ADC and PROTAC synthesis, and as a click-chemistry building block for copper-catalyzed azide-alkyne cycloaddition (CuAAC).
- Alkyne functional group for CuAAC click reactions.
- Terminal primary amine for conjugation and linker formation.
- High purity (≥98.0%).
- Molecular weight 407.50 g/mol.
- Chemical formula C19H37NO8.
- Available in multiple package sizes, including 1 G.
eMolecules 96439-99-5 | 3-Bromo-2-ethynylpyridine | MFCD18256373 | 1g
Ambeed | 3-Bromo-2-ethynylpyridine | 1g | 600847246 | A758874 | 96439-99-5 | MFCD18256373 | 182.020 | C7H4BrN
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Medchemexpress LLC Propargyl-PEG1-bromide | 18668-74-1 | MFCD00099299 | 99.2% | 163.01 g/mol | C5H7BrO | 5 G
Propargyl-PEG1-bromide is a small polyethylene glycol (PEG) derivative bearing a terminal propargyl (alkyne) group and a bromide leaving group. It is designed for use as a reactive linker or alkylating reagent in bioconjugation, click chemistry, and drug-delivery research. Supplied as a liquid, it provides a short PEG spacer with an alkyne handle for efficient coupling reactions.
- Provides terminal alkyne for copper-catalyzed azide-alkyne cycloaddition.
- Contains a bromide leaving group for nucleophilic substitution reactions.
- Short PEG spacer improves aqueous solubility and reduces steric hindrance.
- Suitable for conjugation and linker synthesis in medicinal chemistry workflows.
- Compatible with standard storage recommendations when handled under inert atmosphere.
Medchemexpress LLC (S)-VQW-765 ((S)-AQW-051) | 98.0% | 294.39 | 5 MG
(S)-VQW-765 ((S)-AQW-051) is an orally active, selective, and effective α7 nicotinic ACh receptor (nAChR) partial agonist. It has potential applications in cognitive disorders related to neurological diseases, such as Alzheimer's disease or schizophrenia.
- Orally active, selective, and effective α7 nAChR partial agonist
- Potential applications in cognitive disorders
- Suitable for neurological diseases like Alzheimer's or schizophrenia
Medchemexpress LLC Propargyl-PEG10-acid | 2055022-18-7 | 98.0% | 524.60 | 500 MG
Propargyl-PEG10-acid is a PEG derivative that features a propargyl group along with a terminal carboxylic acid. It functions as a click chemistry reagent, containing an Alkyne group, and is capable of undergoing copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with molecules that possess Azide groups.
- PEG derivative
- Features a propargyl group
- Contains a terminal carboxylic acid
- Functions as a click chemistry reagent
- Contains an alkyne group
- Capable of undergoing copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions
- Suitable for PROTAC synthesis
- Used as a biochemical assay reagent
Medchemexpress LLC Propargyl-PEG3-amine | 932741-19-0 | 98.0% | 187.24 | 100 MG
Propargyl-PEG3-amine is a PEG-based PROTAC linker used in the synthesis of PROTACs. It is also a click chemistry reagent that contains an alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing azide groups.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Click chemistry reagent
- Contains an alkyne group
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing azide groups
eMolecules 4-Fluoro-2-(trifluoromethoxy)-DL-phenylalanine | 1435806-18-0 | MFCD19687192 | 1g
Apollo Scientific | 4-Fluoro-2-(trifluoromethoxy)-DL-phenylalanine | 1g | 562460231 | PC302877 | | 1435806-18-0 | MFCD19687192 | 267.180 | C10H9F4NO3
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eMolecules 59608-01-4 | 3-(Pyridin-3-yl)propiolic acid | MFCD02177466 | 1g
Ambeed | 3-(Pyridin-3-yl)propiolic acid | 1g | 588343019 | A625596 | 59608-01-4 | MFCD02177466 | 147.133 | C8H5NO2
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Medchemexpress LLC Propargyl-PEG7-NHS ester | 2093152-77-1 | 489.51 g/mol | C22H35NO11 | 250 MG
Propargyl-PEG7-NHS ester is an amine-reactive PEG-based linker used for bioconjugation, antibody-drug conjugate (ADC) and PROTAC synthesis, and click-chemistry applications. The reagent contains a terminal propargyl (alkyne) group and an N-hydroxysuccinimide (NHS) ester for coupling to primary amines.
- Amine-reactive NHS ester for efficient coupling to primary amines.
- Terminal alkyne enables copper-catalyzed azide-alkyne cycloaddition (click chemistry).
- PEG7 spacer improves solubility and provides flexibility between conjugated moieties.
- Available in small laboratory pack sizes for research use.
Medchemexpress LLC Propargyl-PEG8-NH2 | 1196732-52-1 | MFCD28334507 | >98.0% | 407.50 g/mol | C19H37NO8 | 10 MG
Propargyl-PEG8-NH2 is an alkyne-terminated polyethylene glycol (PEG8) amine linker used for bioconjugation and linker synthesis. It provides a terminal alkyne for click chemistry and a primary amine for further derivatization, with a PEG8 spacer to improve solubility and spacing between conjugated moieties.
- Provides a terminal alkyne group for copper-catalyzed azide-alkyne cycloaddition (click chemistry).
- Contains a primary amine for amide formation and further functionalization.
- PEG8 spacer improves solubility and reduces steric hindrance.
- High chemical purity suitable for research applications.
- Colorless to light yellow liquid, convenient for solution-phase coupling reactions.
- Commonly used in PROTAC, ADC, and general bioconjugation workflows.
![Medchemexpress LLC Ethanamine, 2-[2-(2-propyn-1-yloxy)ethoxy]- | 944561-44-8 | MFCD19160595 | 99.6% | 143.18 g/mol | C7H13NO2 | 100 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000202861.png-250.jpg)
Medchemexpress LLC Ethanamine, 2-[2-(2-propyn-1-yloxy)ethoxy]- | 944561-44-8 | MFCD19160595 | 99.6% | 143.18 g/mol | C7H13NO2 | 100 G
Propargyl-PEG2-amine is a PEG-based bifunctional linker that contains a terminal propargyl (alkyne) group and a primary amine, designed for conjugation chemistry and synthetic applications such as antibody-drug conjugate (ADC) formation, PROTAC assembly, and click chemistry.
- PEG-2 spacer with terminal propargyl group
- Primary amine functional group for conjugation
- High purity suitable for synthesis (99.6%)
- Colorless to light yellow liquid; density 0.992 ± 0.06 g/cm3
- Compatible with copper-catalyzed azide-alkyne cycloaddition (CuAAC)