Biotin and derivatives
Medchemexpress LLC Sulfo-TAG NHS ester (disodium) | 482618-42-8 | 88.4% | 1185.12 g/mol | C43H39N7Na2O16RuS4 | 1 MG
Sulfo-TAG NHS ester (disodium) is a water-soluble N-hydroxysuccinimide (NHS) ester reagent for covalent labeling of proteins and antibodies via primary amine groups. The reagent contains a ruthenium-based electrochemiluminescent tag that enables sensitive electrochemiluminescence (ECL) detection when conjugated to antibodies. Supplied as a solid for research use; handle and store according to the supplier's SDS and COA.
- Couples to primary amine groups on proteins and antibodies for stable conjugation.
- Enables electrochemiluminescence (ECL) detection when attached to antibodies.
- Water-soluble formulation suitable for aqueous conjugation reactions.
- Provided with storage recommendations to maintain stability.
- Supplied with certificate of analysis (COA) and safety data sheet (SDS) specifying purity and molecular data.
Medchemexpress LLC Sulfo-Cy7.5 NHS ester | 2736437-44-6 | 97.0% | 1104.29 g/mol | C49H48K3N3O16S4 | 10 MG
Sulfo-Cy7.5 NHS ester is a water-soluble, hydrophilic near-infrared cyanine dye functionalized as an N-hydroxysuccinimide (NHS) ester for covalent labeling of primary amines on proteins, peptides, and other biomolecules.
- Near-infrared, water-soluble cyanine dye suitable for NIR imaging and fluorescence labeling.
- Reactive NHS ester for efficient covalent coupling to primary amines under mild conditions.
- Reported molecular weight of 1104.29 g/mol for planning conjugation ratios.
- High reported purity suitable for research applications and labeling workflows.
- Available in small milligram pack sizes for pilot studies and labeling optimization.
- Store sealed, away from moisture and light to maintain stability.
![eMolecules 1204834-00-3 | Azido-peg8-nhs ester | Combi-Blocks | MFCD13184949 | 564.589 | C23H40N4O12 | 95.000 | [N-]=[N+]=NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 250mg | 335375127](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000190050.jpg-250.jpg)
eMolecules 1204834-00-3 | Azido-peg8-nhs ester | Combi-Blocks | MFCD13184949 | 564.589 | C23H40N4O12 | 95.000 | [N-]=[N+]=NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 250mg | 335375127
Azido-peg8-nhs ester | Combi-Blocks | 1204834-00-3 | MFCD13184949 | 564.589 | C23H40N4O12 | 95.000 | [N-]=[N+]=NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 250mg | 335375127
eMolecules 1353016-71-3 | DBCO-NHS ester | Ambeed | MFCD24386367 | 402.406 | C23H18N2O5 | 98.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 5g | 771331422
DBCO-NHS ester | Ambeed | 1353016-71-3 | MFCD24386367 | 402.406 | C23H18N2O5 | 98.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 5g | 771331422
eMolecules Hydroxy-PEG11-t-butyl ester | BroadpharmMFCD29049421 | 630.769 | C29H58O14 | 98.000 | CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO | 1g | 490840967
Hydroxy-PEG11-t-butyl ester | BroadpharmMFCD29049421 | 630.769 | C29H58O14 | 98.000 | CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO | 1g | 490840967
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-NHS (DSPE-NHS) | 1383932-86-2 | MFCD34561791 | 95.0% | 945.2 g/mol | C49H89N2O13P | 10 MG
DSPE-NHS is an N-hydroxysuccinimide (NHS) ester functionalized distearoyl phosphoethanolamine used for bioconjugation and liposome formation. The reagent self-assembles into lipid bilayers in aqueous solution, and the NHS ester reacts selectively with primary amines to form stable amide bonds, enabling antibody labeling and attachment of amine-containing molecules for nanoparticle and drug-delivery applications.
- Reactive NHS ester for covalent coupling to primary amines.
- Self-assembles into lipid bilayers in aqueous solution.
- Enables antibody labeling and protein conjugation.
- Suitable for liposome and nanocarrier preparation.
- Long-term storage recommended at -20 °C, sealed and protected from moisture and light.
Medchemexpress LLC Biotin-PEG5-NHS ester | 98.0% | 632.72 | 50 MG
Biotin-PEG5-NHS ester | 98.0% | 632.72 | 50 MG
Apexbio Technology LLC NHS-LC-LC-BIOTIN-KIT-2T
NHS-LC-LC-Biotin Kit is used in biochemical and molecular biology research originating from the need to label proteins and other macromolecules with high specificity It operates through NHS ester chemistry allowing biotin to covalently bind to primary amine groups in biological molecules facilitating subsequent detection or purification via biotin-avidin/streptavidin interactions The kit demonstrates robust in vitro activity in nanomolar to low micromolar ranges providing a reliable means for the modification of proteins under controlled conditions Typical applications include cell labeling immunoassays ELISA Western blotting and targeted drug delivery studies It is also employed in cell models and animal studies to track cellular processes or biomolecular interactions Due to its versatility the NHS-LC-LC-Biotin Kit is a staple in drug screening and various experimental setups with concentrations tailored to specific research designs
Apexbio Technology LLC DOTA-NHS-ESTER-50MG
DOTA-NHS-ester (CAS No 170908-81-3) is widely utilized in biomedical research primarily for its role as a bifunctional chelating agent used in radiolabeling and conjugation processes Originating from the conjugation of DOTA (a macrocyclic chelator) with N-hydroxysuccinimide (NHS) this compound facilitates the attachment of radioactive metals to biomolecules enhancing imaging and therapeutic applications It operates by forming stable complexes with metal ions targeting specific pathways for precise diagnostic or therapeutic delivery In vitro activities typically exhibit a nanomolar to low micromolar range making it suitable for various applications such as drug screening cell labeling and receptor targeting in oncology research Its use extends to both cell models and animal studies allowing for robust experimental analysis Experimental concentrations typically depend on the specific research design ensuring versatility across different scientific investigations