CHEMOS Products
Explore specialty building blocks and conjugation materials by product family and application, then request batch-specific specifications, analytical information, or project support.
Product families grouped by research application
Start with the chemistry family, then continue to focused categories and product detail pages.
Oligonucleotide Synthesis & Modification
Phosphoramidites, modified nucleosides, solid supports, sulfurizing reagents, cap analogs, and related synthesis tools.
Oligo Conjugation & Delivery Ligands
GalNAc ligands, lipid conjugation handles, cholesterol derivatives, click handles, and linkers for oligo conjugation.
Peptide Synthesis & Modification
Selected glycopeptide-related building blocks are currently listed; other peptide modification targets are reviewed by structure, quantity, and specification.
Click Chemistry & Bioconjugation
DBCO, BCN, azides, TCO, tetrazines, NHS esters, maleimides, and other handles for mild conjugation chemistry.
ADC Linkers & Conjugation Reagents
Cleavable and stable linkers, hydrophilic spacers, reactive handles, and payload-linker intermediate support.
ADC Payloads & HPAPI Intermediates
Project-specific payload and highly potent intermediate requests reviewed by exact structure, quantity, handling constraints, specification, and analytical requirements.
PROTAC, E3 Ligands & Proximity-Inducing Building Blocks
E3-ligase ligand derivatives, functionalized linkers, bifunctional intermediates, and other building blocks for PROTAC and proximity-inducing research.
Radiopharmaceutical Chelators & Precursors
DOTA, NOTA, DFO, DTPA, bifunctional chelators, and cold precursor building blocks for imaging and radioligand programs.
LNP & Delivery Lipids
Ionizable lipid analogs, PEG lipids, helper phospholipids, cholesterol derivatives, and functional delivery lipid tools.
Fluorescent Labeling, Biotinylation & Probes
Fluorescent and chromogenic probes, biotinylation building blocks, dye precursors, and functional handles for labeling and detection research.
Find Products by Category
Choose a category to open its product list. Category pages include CAS and name search, product details, technical FAQs, and inquiry actions.
Oligonucleotide Synthesis & Modification
Phosphoramidites, modified nucleosides, solid supports, sulfurizing reagents, cap analogs, and related synthesis tools.
Oligo Conjugation & Delivery Ligands
GalNAc ligands, lipid conjugation handles, cholesterol derivatives, click handles, and linkers for oligo conjugation.
Peptide Synthesis & Modification
Selected glycopeptide-related building blocks are currently listed; other peptide modification targets are reviewed by structure, quantity, and specification.
Click Chemistry & Bioconjugation
DBCO, BCN, azides, TCO, tetrazines, NHS esters, maleimides, and other handles for mild conjugation chemistry.
ADC Linkers & Conjugation Reagents
Cleavable and stable linkers, hydrophilic spacers, reactive handles, and payload-linker intermediate support.
ADC Payloads & HPAPI Intermediates
Project-specific payload and highly potent intermediate requests reviewed by exact structure, quantity, handling constraints, specification, and analytical requirements.
PROTAC, E3 Ligands & Proximity-Inducing Building Blocks
E3-ligase ligand derivatives, functionalized linkers, bifunctional intermediates, and other building blocks for PROTAC and proximity-inducing research.
Radiopharmaceutical Chelators & Precursors
DOTA, NOTA, DFO, DTPA, bifunctional chelators, and cold precursor building blocks for imaging and radioligand programs.
LNP & Delivery Lipids
Ionizable lipid analogs, PEG lipids, helper phospholipids, cholesterol derivatives, and functional delivery lipid tools.
Fluorescent Labeling, Biotinylation & Probes
Fluorescent and chromogenic probes, biotinylation building blocks, dye precursors, and functional handles for labeling and detection research.
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