Crosslinking Reagents
Covachem DSG Crosslinker | 79642-50-5 | MFCD00153597 | 5x100mg
DSG Crosslinker | Purity: 97% | Mol Wt: 326.26 | 79642-50-5 | MFCD00153597 | 5x100mg
Vector Laboratories S-HyNic Linker (DMF Soluble), 5 x 1 mg
Bioconjugation. S-HyNic heterobifunctional crosslinker is fundamental to SoluLINK bioconjugation technology. S-HyNic reacts with primary amines on proteins (through lysine amino acids) or amino-modified oligonucleotides or surfaces, introducing a HyNic linker that forms stable covalent conjugates with biomolecules possessing 4FB linkers.
Medchemexpress LLC PEG4-SPDP | 1305053-43-3 | 98.0% | 488.57 | C20H28N2O8S2 | 50 MG
PEG4-SPDP is a cleavable polyethylene glycol (PEG)-spaced SPDP crosslinker used as an antibody-drug conjugate (ADC) linker for research applications. It contains an NHS-ester and a pyridyldithiol reactive group enabling amine-to-sulfhydryl conjugation and reductive cleavage for controlled payload release.
- Cleavable linker enabling controlled release under reducing conditions.
- NHS-ester and pyridyldithiol functional groups for amine-to-sulfhydryl conjugation.
- PEG4 spacer provides increased solubility and reduced steric hindrance.
- High purity suitable for research use.
- Supplied as a solid in small pack sizes for laboratory conjugation workflows.
Medchemexpress LLC Dbco-acid | 1353016-70-2 | MFCD28064336 | 99.7% | 305.33 g/mol | C19H15NO3 | 50 MG
DBCO-acid is a dibenzocyclooctyne-based click chemistry reagent used for strain-promoted alkyne-azide cycloaddition (SPAAC) and for synthesis of linker and bioconjugation reagents. It is provided in multiple pack sizes and is typically supplied with supporting analytical data and documentation.
- Used for strain-promoted alkyne-azide cycloaddition (SPAAC)
- Acid functional group enables conjugation via standard coupling chemistry
- High purity suitable for synthesis and bioconjugation applications
- Molecular weight approximately 305.33 g/mol
- CAS number 1353016-70-2 for unambiguous identification
Aat Bioquest Sulfo-SMCC [4-(N-Maleimidomethyl)cyclohexane-1-carboxylic acid 3-sulfo-N-hydroxysuccinimide ester, sodium salt] *CAS#: 92921-24-9*
Sulfo-SMCC is the water-soluble version of SMCC. It contains an amine-reactive sulfo-succinimidyl ester (SSE) and a sulfhydryl-reactive maleimide group. NHS esters react with primary amines at pH 7-9 to form stable amide bonds.
Lumiprobe AF488 NHS ester, 5 mg
AF488 is a bright and photostable dye, equivalent of Alexa Fluor 488. Due to its high hydrophilicity, this is a dye of choice for the labeling of sensitive proteins and antibodies. The dye is useful for many demanding applications, including microscopy.
Medchemexpress LLC Dsg-PEG (MW 2000) | 308805-39-2 | MFCD31813707 | 100.0% | 2000 (average) | C42H82O6 | 250 MG
DSG-PEG (MW 2000) is a PEGylated lipid used as a steric-stabilizing component in liposome and lipid nanoparticle formulations for research. It provides a methoxy-terminated polyethylene glycol chain (average MW 2000) conjugated to a distearoyl glycerol backbone, supplied as a high-purity reagent for formulation studies.
- Pegylated lipid with average molecular weight 2000.
- Provides steric stabilization to liposomes and lipid nanoparticles.
- Suitable for liposome preparation and PEGylated formulations.
- High purity suitable for research applications.
- Available in milligram and gram pack sizes for formulation work.
Medchemexpress LLC DBCO-Sulfo-Link-biot 5mg
DBCO-Sulfo-Link-biotin TEA is a click chemistry intermediate containing a DBCO group which can undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing an azide group
Sigma Aldrich Fine Chemicals Biosciences Human C Reactive Protein E
The Human CRP (C Reactive Protein) ELISA (Enzyme- Linked Immunosorbent Assay) kit is an in vitro enzyme-linked immunosorbent assay for the quantitative measurement of human CRP in serum plasma cell culture supernatants and urine.
Medchemexpress LLC Bis(sulfosuccinimidyl) suberate | 82436-77-9 | 99.8% | 528.47 g/mol | C16H20N2O14S2 | 5 MG
BS3 crosslinker (bis(sulfosuccinimidyl) suberate) is a water-soluble, non-cleavable, homobifunctional NHS-ester reagent used to covalently link primary amines. It is commonly applied for protein-protein conjugation, antibody conjugation workflows, and general bioconjugation where stable amine-to-amine linkages are required. The reagent is provided with documented purity and handling instructions to support reproducible results.
- Water-soluble homobifunctional NHS-ester for amine-to-amine crosslinking.
- Non-cleavable linker suitable for producing stable conjugates.
- Reacts with lysine residues under physiological conditions for mild conjugation.
- High purity supports reproducible bioconjugation performance.
- Available in multiple pack sizes for flexible scaling of experiments.
- Storage and handling guidance provided to preserve reagent stability.