Acetylides
Medchemexpress LLC E -Pent-2-enal 5g
(E)-Pent-2-enal has a pungent fruity odor This compound is commonly used in the flavor and fragrance industry because of its strong aroma often described as fresh and green Furthermore (E)-Pent-2-enal can be used as an intermediate in the synthesis of various organic compounds including pharmaceuticals and agrochemicals Its unique chemical properties make it an important ingredient in many commercial products including perfumes air fresheners and cleaners
Medchemexpress LLC Propargyl-PEG6-alcohol | 944560-99-0 | 97.0% | 5 G
Propargyl-PEG6-alcohol 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, and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
- Used in the synthesis of PROTACs
- Functions as a click chemistry reagent
- Contains an alkyne group for CuAAc reactions
- Can react with azide-containing molecules
Medchemexpress LLC 3,6,9,12,15,18,21-Heptaoxatetracos-23-yn-1-ol | 1422023-54-8 | ≥97.0% | 1 G
Propargyl-PEG7-alcohol is a versatile PEG linker with the chemical name 3,6,9,12,15,18,21-Heptaoxatetracos-23-yn-1-ol. It has a molecular formula of C17H32O8 and a molecular weight of 364.43. This product is commonly utilized in the synthesis of antibody-drug conjugates (ADCs) and proteolysis-targeting chimeras (PROTACs).
- High purity of ≥97.0%
- Appears as a colorless to light yellow liquid
- Suitable for ADC and PROTAC development
- Stable storage conditions provided
Medchemexpress LLC Propargyl-PEG2-amine | 944561-44-8 | MFCD19160595 | >98.0% | 143.18 g/mol | C7H13NO2 | 10 G
Propargyl-PEG2-amine is an alkyne-functionalized PEG2 amine reagent used as a short, hydrophilic linker in bioconjugation chemistry. It features a terminal propargyl (alkyne) group and a primary amine, enabling copper-catalyzed azide-alkyne cycloaddition (CuAAC) and common amide-coupling chemistries for antibody-drug conjugates, PROTACs, and general PEGylation.
- Contains terminal alkyne for click chemistry (CuAAC).
- PEG2 spacer provides a short, hydrophilic linkage.
- Primary amine enables conjugation to activated esters or carboxylic acids.
- Low molecular weight (143.18 g/mol) and liquid form facilitate handling.
- Applicable to ADC linker synthesis, PROTAC assembly, and general bioconjugation workflows.
Medchemexpress LLC 5-(Boc-amino)-1-pentanol | 75178-90-4 | MFCD01862955 | ≥97.0% | 203.28 g/mol | C10H21NO3 | 10 G
5-(Boc-amino)-1-pentanol is a Boc-protected amino alcohol used as a versatile linker and building block in organic and medicinal chemistry. The tert-butoxycarbonyl (Boc) group protects the amine during multi-step syntheses, while the primary hydroxyl group enables subsequent functionalization and conjugation.
- Boc-protected amine for orthogonal protection strategies.
- Primary hydroxyl enables esterification and coupling reactions.
- High purity suitable for synthesis (≥97%).
- Available in multiple small-scale packages for research use.
- Compact molecular weight facilitates incorporation into small molecules.
eMolecules 2007921-20-0 | 3-Aminobicyclo[1.1.1]pentan-1-ol Hydrochloride | Accela ChemBio | MFCD28501812 | 135.590 | C5H10ClNO | 98.000 | Cl.NC12CC(O)(C1)C2 | 0.1g | 789348351
3-Aminobicyclo[1.1.1]pentan-1-ol Hydrochloride | Accela ChemBio | 2007921-20-0 | MFCD28501812 | 135.590 | C5H10ClNO | 98.000 | Cl.NC12CC(O)(C1)C2 | 0.1g | 789348351
Medchemexpress LLC Propargyl-PEG6-NHS ester | 2093153-99-0 | 98.0% | 445.46 g·mol^-1 | C20H31NO10 | 500 MG
Propargyl-PEG6-NHS ester is an alkyne-functionalized polyethylene glycol (PEG) linker bearing an N-hydroxysuccinimide (NHS) ester for amine-reactive conjugation. It enables copper-catalyzed azide-alkyne cycloaddition (CuAAC) and amide bond formation for bioconjugation applications such as PROTAC and ADC synthesis.
- Contains a terminal propargyl (alkyne) group for click chemistry.
- Contains an NHS ester for efficient conjugation to primary amines.
- PEG6 spacer provides flexibility and aqueous solubility.
- Typical purity 98.0% as supplied.
- Appearance: colorless to light yellow liquid.
- Store sealed, away from moisture and light at -20°C; in solvent store at -80°C for long-term.
(C)C#C | 100g | 449742390](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000165834.jpg-250.jpg)
eMolecules 1066-54-2 | TRIMETHYLSILYLACETYLENE | AstaTech | MFCD00008569 | 98.220 | C5H10Si | 97.000 | C[Si](C)(C)C#C | 100g | 449742390
TRIMETHYLSILYLACETYLENE | AstaTech | 1066-54-2 | MFCD00008569 | 98.220 | C5H10Si | 97.000 | C[Si](C)(C)C#C | 100g | 449742390
Medchemexpress LLC Propargyl-PEG8-acid | 2055014-94-1 | 98.0% | 5 G
Propargyl-PEG8-acid is a PEG-based PROTAC linker used in the synthesis of PROTACs. It also functions as a cleavable ADC linker for antibody-drug conjugates (ADCs), applicable in bacterial infections caused by Gram-negative bacteria. This product is also a click chemistry reagent, featuring an Alkyne group that participates in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with Azide-containing molecules.
- Click chemistry
- Alkyne applications
- ADC synthesis
- PROTAC synthesis
- Supports research in infection and cancer
- Used in cancer targeted therapy and immunotherapy
- Relevant for bacterial studies
eMolecules 106-96-7 | 3-Bromo-1-Propyne(80% wt.in toluene) | AA Blocks LLC | MFCD00000241 | 118.961 | C3H3Br | 0.000 | BrCC#C | 250g | 862832311
3-Bromo-1-Propyne(80% wt.in toluene) | AA Blocks LLC | 106-96-7 | MFCD00000241 | 118.961 | C3H3Br | 0.000 | BrCC#C | 250g | 862832311
eMolecules 764-37-4 | (E)-Pent-3-en-1-ol | Combi-Blocks, Inc. | MFCD07636756 | 86.134 | C5H10O | 95.000 | C\C=C\CCO | 1g | 797025193
(E)-Pent-3-en-1-ol | Combi-Blocks, Inc. | 764-37-4 | MFCD07636756 | 86.134 | C5H10O | 95.000 | C\C=C\CCO | 1g | 797025193
Medchemexpress LLC Propargyl-PEG8-NH2 | 1196732-52-1 | ≥98.0% | 407.50 g/mol | C19H37NO8 | 250 MG
Propargyl-PEG8-NH2 is a PEG-based linker reagent containing a terminal propargyl (alkyne) group and a terminal primary amine for conjugation. It is used in proteolysis targeting chimera (PROTAC) and antibody-drug conjugate (ADC) linker synthesis, and as a click chemistry reagent for copper-catalyzed azide-alkyne cycloaddition (CuAAC).
- Contains a terminal propargyl alkyne group for copper-catalyzed azide-alkyne cycloaddition.
- Provides a terminal primary amine (NH2) for amide coupling or conjugation.
- High purity suitable for synthetic applications and linker assembly.
- Available in small-scale quantities suitable for research use.
- Stable when stored under recommended conditions to preserve reactivity.
Medchemexpress LLC E -Pent-2-enal 25g
(E)-Pent-2-enal has a pungent fruity odor This compound is commonly used in the flavor and fragrance industry because of its strong aroma often described as fresh and green Furthermore (E)-Pent-2-enal can be used as an intermediate in the synthesis of various organic compounds including pharmaceuticals and agrochemicals Its unique chemical properties make it an important ingredient in many commercial products including perfumes air fresheners and cleaners