Acetylides
Aobchem 3-Butyn-1-ol 1-methanesulfonate | ≥95% | CAS 72486-09-0 | C5H8O3S | 1g
3-Butyn-1-ol 1-methanesulfonate | ≥95% | CAS 72486-09-0 | C5H8O3S | 1g
Medchemexpress LLC Bis-propargyl-PEG4 | 159428-42-9 | 95.6% | 1G
Bis-propargyl-PEG4 | 159428-42-9 | 95.6% | 1G
Medchemexpress LLC Propargyl-PEG1-NHS ester | 1174157-65-3 | 99.7% | 225.20 g/mol | C10H11NO5 | 250 MG
A non-cleavable one-unit polyethylene glycol (PEG) linker supplied as an NHS ester with a terminal propargyl (alkyne) group. Designed for click chemistry (CuAAC) and antibody-agent conjugation, it is provided as a colorless to light-yellow solid-liquid mixture with high purity and recommended cold storage.
- One-unit PEG linker for minimal spacer length.
- Terminal alkyne enables copper-catalyzed azide-alkyne cycloaddition (CuAAC).
- NHS ester allows efficient coupling to primary amines.
- High purity suitable for conjugation chemistry.
- Cold storage recommended for long-term stability.
eMolecules 183945-52-0 | 3-METHYL-4-(TRIFLUOROMETHOXY)ANILINE | AstaTech | MFCD18399693 | 191.153 | C8H8F3NO | 95.000 | Cc1cc(N)ccc1OC(F)(F)F | 1g | 248486670
3-METHYL-4-(TRIFLUOROMETHOXY)ANILINE | AstaTech | 183945-52-0 | MFCD18399693 | 191.153 | C8H8F3NO | 95.000 | Cc1cc(N)ccc1OC(F)(F)F | 1g | 248486670
eMolecules 1261673-90-8 | 4-Chloro-2-(trifluoromethoxy)benzyl alcohol | Apollo Scientific | MFCD18393819 | 226.580 | C8H6ClF3O2 | 98.000 | OCc1ccc(Cl)cc1OC(F)(F)F | 1g | 562456700
4-Chloro-2-(trifluoromethoxy)benzyl alcohol | Apollo Scientific | 1261673-90-8 | MFCD18393819 | 226.580 | C8H6ClF3O2 | 98.000 | OCc1ccc(Cl)cc1OC(F)(F)F | 1g | 562456700
Medchemexpress LLC Propargyl-peg8-nh2 | 1196732-52-1 | ≥98.0% | 407.50 | C19H37NO8 | 25 MG
Propargyl-PEG8-NH2 is a polyethylene glycol (PEG) based bifunctional linker bearing a terminal propargyl (alkyne) group and a primary amine. It is used for bioconjugation and as a non-cleavable linker in ADC and PROTAC synthesis, enabling copper-catalyzed azide-alkyne cycloaddition (CuAAC) and amine-based coupling reactions.
- Contains terminal alkyne (propargyl) and primary amine functional groups.
- PEG8 spacer provides flexibility and solubility for conjugates.
- Suitable for CuAAC click chemistry with azide-containing partners.
- High purity (≥98.0%) for research and conjugation workflows.
- Molecular weight approximately 407.50 Da and formula C19H37NO8.
- Available in multiple package sizes to suit synthesis scale.
Medchemexpress LLC Propargyl-PEG8-NHS ester | 2182601-74-5 | MFCD31536764 | >95.0% | 533.57 g/mol | C24H39NO12 | 250 MG
Propargyl-PEG8-NHS ester is an amine-reactive polyethylene glycol (PEG) linker bearing a terminal propargyl (alkyne) group and an N-hydroxysuccinimide (NHS) activated ester. It is used for bioconjugation, click chemistry, and as a linker in ADC/PROTAC synthesis, providing improved solubility and site-selective attachment.
- Amine-reactive NHS ester for efficient conjugation to primary amines.
- Terminal propargyl alkyne enables copper-catalyzed or strain-promoted click reactions.
- PEG8 spacer improves solubility and reduces steric hindrance.
- High purity typically ≥95% for reliable biochemical use.
- Molecular weight approximately 533.57 g/mol, suitable for linker applications.
- Available as a 250 MG solid for laboratory-scale synthesis.
Medchemexpress LLC Bis-propargyl-PEG8 25mg | 1092554-87-4 | 446.53 | C22H38O9 | 25 MG
Bis-propargyl-PEG8 is a PEG-based bifunctional linker bearing terminal propargyl (alkyne) groups. It is used in click chemistry (copper-catalyzed azide-alkyne cycloaddition) and for assembling PROTACs and other bioconjugates in research settings.
- Contains terminal alkyne groups suitable for CuAAC reactions.
- PEG8 spacer provides water solubility and flexible linkage.
- Bifunctional ends enable conjugation to two partners.
- Available in research-scale package sizes for synthesis workflows.
- Compatible with common organic synthesis and bioconjugation methods.
Sigma Organic Chemistry Propargylamine | 250G | 2450-71-7 | MFCD00008198
Propargylamine , 250G
About this item:
CAS #: 2450-71-7
MDL #: MFCD00008198
Purity: 98%
Chemical Formula: C3H5N
Molecular Weight: 55.08
UNSPSC Code: 12352100