CHEMOS
Radiopharma

Radiopharmaceutical Chelators & Precursors

DOTA, NOTA, DFO, DTPA, bifunctional chelators, and cold precursor building blocks for imaging and radioligand programs.

Product category

Category scope

DOTA, NOTA, DFO, DTPA, bifunctional chelators, and cold precursor building blocks for imaging and radioligand programs.

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
CH55003NOTA56491-86-2
NOTA structure, CAS 56491-86-2, MW 303.31
303.31
CH55004p-SCN-Bn-NOTA trihydrochloride1583289-85-3
p-SCN-Bn-NOTA trihydrochloride structure, CAS 1583289-85-3
CH55005NOTA-bis(tBu)ester1161415-28-6
NOTA-bis(tBu)ester structure, CAS 1161415-28-6, MW 415.52
415.52
CH55006NOTA-FAPI2374782-03-1
NOTA-FAPI structure, CAS 2374782-03-1, MW 771.82
771.82
CH55007p-NCS-Bz-NODA-GA1660127-21-8
p-NCS-Bz-NODA-GA structure, CAS 1660127-21-8, MW 521.59
521.59
CH55008MMA-NODAGA1440903-11-6
MMA-NODAGA structure, CAS 1440903-11-6, MW 497.5
497.5
CH55009NO2A-Butyne2089035-56-1
NO2A-Butyne structure, CAS 2089035-56-1, MW 354.40
354.40
CH55010NO2A-Azide trihydrochloride2435782-92-4
N/A
494.8
CH55011NOPO1397275-76-1
NOPO structure, CAS 1397275-76-1, MW 495.34
495.34
CH55012NOTP83834-39-3
NOTP structure, CAS 83834-39-3, MW 411.22
411.22
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Technical Questions

Frequently Asked Questions

Common questions about product selection, specifications, analytical information, and inquiries for Radiopharmaceutical Chelators & Precursors.

What does Radiopharmaceutical Chelators & Precursors cover?
DOTA, NOTA, DFO, DTPA, bifunctional chelators, and cold precursor building blocks for imaging and radioligand programs.
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.
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