CHEMOS
TPD

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.

Product category

Category scope

E3-ligase ligand derivatives, functionalized linkers, bifunctional intermediates, and other building blocks for PROTAC and proximity-inducing research.

Information for product selection

Selection starts with an exact structure or catalog identity and the requirements of the intended project. Include the following information so product fit and available documentation can be reviewed against the same request.

  • Exact product name, structure, CAS number, or CHEMOS catalog number
  • Required quantity and material form
  • Target specification and analytical expectations
  • Intended chemistry or application context
  • Required documents and requested delivery timing

Catalog boundary

A category listing identifies a material family and a route to technical review. It does not by itself confirm stock, grade, batch specification, document availability, application performance, or regulatory suitability; these points are confirmed for the requested item and batch.

Product List

Catalog No.NameCAS No.StructureM.W.Buy
CH56001Boc-NH-PEG2-C2-NH2153086-78-3
Boc-NH-PEG2-C2-NH2 structure, CAS 153086-78-3, MW 248.32
248.32
CH56002Bis(2-bromoethyl) ether5414-19-7
Bis(2-bromoethyl) ether structure, CAS 5414-19-7, MW 231.91
231.91
CH56003Boc-NH-PEG2-CH2COOH108466-89-3
Boc-NH-PEG2-CH2COOH structure, CAS 108466-89-3, MW 263.29
263.29
CH560042-Chloroethanamine hydrochloride870-24-6
2-Chloroethanamine hydrochloride structure, CAS 870-24-6, MW 115.99
115.99
CH56005Hexane-1,6-diol629-11-8
Hexane-1,6-diol structure, CAS 629-11-8, MW 118.17
118.17
CH56006Azido-PEG4-alcohol86770-67-4
Azido-PEG4-alcohol structure, CAS 86770-67-4, MW 219.24
219.24
CH56007Ethyl hydroxyacetate623-50-7
Ethyl hydroxyacetate structure, CAS 623-50-7, MW 104.10
104.10
CH56008Methyl 3-hydroxypropanoate6149-41-3
Methyl 3-hydroxypropanoate structure, CAS 6149-41-3, MW 104.10
104.10
CH560092,2-Oxybis(ethylamine)2752-17-2
2,2-Oxybis(ethylamine) structure, CAS 2752-17-2, MW 104.15
104.15
CH56010NH2-PEG4-CH2CH2COOH663921-15-1
NH2-PEG4-CH2CH2COOH structure, CAS 663921-15-1, MW 265.30
265.30
1234
Technical Questions

Frequently Asked Questions

Common questions about product selection, specifications, analytical information, and inquiries for PROTAC, E3 Ligands & Proximity-Inducing Building Blocks.

What does PROTAC, E3 Ligands & Proximity-Inducing Building Blocks cover?
E3-ligase ligand derivatives, functionalized linkers, bifunctional intermediates, and other building blocks for PROTAC and proximity-inducing research.
What information should accompany an inquiry?
Provide the exact identity or structure, quantity, material form, target specification, application context, required documents, and requested timing.
Does a category listing confirm grade or availability?
No. Grade, batch specification, availability, documentation, and delivery timing are confirmed for the requested item and batch.
Contact CHEMOS

Get in touch

Share the molecule, quantity, and project context

Share a structure, CAS number, target quantity, or product question and CHEMOS will review the practical inquiry path.

Share a catalog number, CAS number, product name, structure, target quantity, and desired specification.

CHEMOS will review product availability, target-material fit, route questions, and batch-specific documentation needs.

* Required fields