Biotin and derivatives
Medchemexpress LLC IL-12 Human Biotin 20ug | 20ug
IL-35 protein plays a key role in immune regulation forming IL-12 cytokine with IL12B or IL-35 cytokine with EBI3/IL27B IL-12 modulates T cell and natural killer cell responses and induces interferon gamma production IL-12 Protein Human (Biotinylated HEK293 His-Avi) is a recombinant protein dimer complex containing human-derived IL-12 protein expressed by HEK293 with C-Avi C-His labeled tag IL-12 Protein Human (Biotinylated HEK293 His-Avi) has molecular weight of 40-45 kDa
Medchemexpress LLC Biotin methyl ester 250mg
Biotin methyl ester is a biochemical reagent that can be used as a biological material or organic compound for life science related research
Medchemexpress LLC Biotin-lc-lc-nhs | 89889-52-1 | 98.0% | 567.70 | C26H41N5O7S | 25 MG
Biotin-LC-LC-NHS is an N-hydroxysuccinimide (NHS) ester biotinylation reagent with dual long-chain spacers. It covalently attaches biotin to primary amines on proteins, antibodies, and small molecules for labeling, detection, or affinity capture. Handle using appropriate safety precautions and store protected from light at -20°C.
- NHS ester reactive toward primary amines.
- Dual long-chain spacers reduce steric hindrance during labeling.
- Molecular weight 567.70 and formula C26H41N5O7S for precise calculations.
- Purity 98.0% for research-grade applications.
- High solubility in DMSO (100 mg/mL) with recommended freshly opened DMSO.
- Store at -20°C, protect from light, and handle under standard laboratory safety practices.
Medchemexpress LLC Azido-PEG16-NHS ester | 00-00-0 | 99.9% | C39H72N4O20 | 10MG
Azido-PEG16-NHS ester is a PEG-based bifunctional linker featuring an azide moiety and an N-hydroxysuccinimide (NHS) ester. It enables conjugation to primary amines via the NHS ester and subsequent click chemistry using the azide, making it suitable for bioconjugation, labeling, and PROTAC synthesis. The reagent is provided at high purity and is soluble in DMSO for convenient formulation.
Medchemexpress LLC NHS-SS-Ac | 2750799-11-0 | 95.0% | 337.37 | 25 MG
NHS-SS-Ac is an amine-reactive product synthesized from acetic acid. It is intended for research use only.
- Amine-reactive product
- Purity of 95.0%
- Colorless to light yellow oil
- Recommended storage for pure form: -20°C for 3 years or 4°C for 2 years
- Soluble in DMSO (50 mg/mL)