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 | 1g | 537712114
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 | 1g | 537712114
Medchemexpress LLC Tert-butyl 3,6,9,12-tetraoxapentadec-14-ynoate | 888010-02-4 | MFCD28122944 | >95.0% | C15H26O6 | 10MG
Propargyl-PEG3-OCH2-Boc is a Boc-protected PEG3 linker with a terminal propargyl (alkyne) group, designed for use as a building block in click chemistry and linker synthesis. It enables selective conjugation and orthogonal deprotection steps in multi-step synthetic workflows.
- Provides a terminal alkyne for copper-catalyzed azide-alkyne cycloaddition.
- Boc protecting group enables orthogonal deprotection in multi-step syntheses.
- PEG3 spacer imparts hydrophilicity and flexible linker length.
- Supplied in small pack sizes suitable for medicinal chemistry applications.
- Characterized by defined molecular weight and formula for reproducible reactions.
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.
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.
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
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 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
eMolecules 1000339-94-5 | 3-Chloro-4-(trifluoromethoxy)phenol | Combi-Blocks | MFCD04972754 | 212.550 | C7H4ClF3O2 | 97.000 | Oc1ccc(OC(F)(F)F)c(Cl)c1 | 1g | 205391475
3-Chloro-4-(trifluoromethoxy)phenol | Combi-Blocks | 1000339-94-5 | MFCD04972754 | 212.550 | C7H4ClF3O2 | 97.000 | Oc1ccc(OC(F)(F)F)c(Cl)c1 | 1g | 205391475
eMolecules 1036204-61-1 | Propargyl-PEG13-alcohol | Broadpharm | MFCD28334508 | 584.700 | C27H52O13 | 95.000 | OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCC#C | 1g | 268504911
Propargyl-PEG13-alcohol | Broadpharm | 1036204-61-1 | MFCD28334508 | 584.700 | C27H52O13 | 95.000 | OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCC#C | 1g | 268504911
eMolecules 33577-99-0 | Ambeed | Methyl 2-ethynylbenzoate | 250mg | 552687157 | A272766 | MFCD12547057 | 160.172 | C10H8O2
Ambeed | 1-(Bromomethyl)-3-(methylsulfonyl)benzene | 100mg | 517260041 | A144030 | 82657-76-9 | MFCD12025160 | 249.120 | C8H9BrO2S
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