Acetylides
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.
Medchemexpress LLC Propargyl-PEG1-NH2 250mg | 122116-12-5 | 99.13 | C5H9NO | 250 MG
Propargyl-PEG1-NH2 is an alkyne-terminated PEG1 amine linker supplied as a research reagent for chemical biology and bioconjugation applications. It is a low-molecular-weight building block with documented purity and handling guidance.
- Alkyne-terminated PEG1 amine for click chemistry and bioconjugation.
- Purity 98.8% as provided by the supplier.
- Molecular formula C5H9NO; molecular weight 99.13.
- Available in small pack sizes, including 250 MG.
- Store at 4°C and protect from light; in solvent store at -80°C (up to 6 months) or -20°C (up to 1 month).
- Supplied with a data sheet and safety data sheet for handling and storage information.
Selleck Chemical LLC AZ 628 S2746-1g
AZ628 is a new pan-Raf inhibitor for BRAF BRAFV600E and c-Raf-1 with IC50 of 105 nM 34 nM and 29 nM in cell-free assays also inhibits VEGFR2 DDR2 Lyn Flt1 FMS etc AZ628 induces apoptosis
eMolecules Methyl pent-4-ynoate | ChemScene | 21565-82-2 | MFCD12025043 | 112.128 | C6H8O2 | 95.000 | COC(=O)CCC#C | 100g | 711936695
Methyl pent-4-ynoate | ChemScene | 21565-82-2 | MFCD12025043 | 112.128 | C6H8O2 | 95.000 | COC(=O)CCC#C | 100g | 711936695
Selleck Chemical LLC AZ 628 S2746-25mg
AZ628 is a new pan-Raf inhibitor for BRAF BRAFV600E and c-Raf-1 with IC50 of 105 nM 34 nM and 29 nM in cell-free assays also inhibits VEGFR2 DDR2 Lyn Flt1 FMS etc AZ628 induces apoptosis
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.
Chem-Impex International, Inc. (2-Hydroxyethyl)acetylene | 927-74-2 | MFCD00002955 | 25G
(2-Hydroxyethyl)acetylene, 927-74-2, MFCD00002955, 25G
Matrix Scientific 4-ETHYNYLBENZOIC ACID METHY-1G
4-Ethynylbenzoic acid methyl ester, 97%; 1g,C10H8O2, MFCD00168820, mw 160.17, [3034-86-4]