Diagnostic agents


Diagnostic agents are a crucial category of pharmaceutical active pharmaceutical ingredients (APIs) used in the field of medical diagnostics. These agents play a vital role in diagnosing various diseases and conditions by aiding in the visualization and identification of specific biomarkers or structures within the body.

Diagnostic agents encompass a wide range of substances, including contrast agents, radiopharmaceuticals, and imaging agents. Contrast agents are commonly used in medical imaging techniques such as X-rays, magnetic resonance imaging (MRI), and computed tomography (CT) scans. They enhance the visibility of certain tissues or organs, allowing healthcare professionals to detect abnormalities more accurately.

Radiopharmaceuticals are another type of diagnostic agent that combines a radioactive component with a pharmaceutical compound. These agents emit radiation that can be detected by specialized imaging equipment, enabling the visualization of metabolic processes and the identification of abnormal cellular activity.

Imaging agents are designed to target specific molecular structures or biomarkers within the body. They can be used to detect and visualize specific proteins, enzymes, or receptors associated with certain diseases or conditions. By targeting these specific biomarkers, imaging agents provide valuable information about the presence, location, and extent of a disease, aiding in diagnosis and treatment planning.

Overall, diagnostic agents are essential tools in modern medicine, facilitating accurate and timely diagnoses. These pharmaceutical APIs enable healthcare professionals to identify and monitor diseases at an early stage, leading to better patient outcomes and improved treatment strategies.

NameCAS number
16-[(2-Methylpropan-2-yl)oxy]-16-oxohexadecanoate843666-27-3
3-Acetoxymethyl-4-acetoxy acetophenone24085-06-1
3-Hydroxy-4-nitrobenzoic acid619-14-7
4-Chlorocinnamic Acid1615-02-7
4-Fluorobenzylamine
4-Methoxybenzyl Chloride824-94-2
Altropane I-123208517-65-1
Aminohippuric acid61-78-9
Chlormerodrin Hg-19764461-80-9
Choline C-1194793-58-5
Chromium Cr-5114392-02-0
Cyanocobalamin Co-5713115-03-2
Dotatate177943-88-3
Emapunil226954-04-7
Exametazime105613-48-7
Fludeoxyglucose (18F)63503-12-8
Fluorescein2321-07-5
Fluorocholine F-18407582-13-2
Gadobenic acid113662-23-0
Gadobutrol770691-21-9
Gadodiamide131410-48-5
Gadopentetate dimeglumine86050-77-3
Gadoteric acid72573-82-1
Gadoteridol120066-54-8
Gadoxetic acid135326-11-3
Gallium citrate27905-02-8
Gaxilose14087-31-1
Indigotindisulfonic acid483-20-5
Indium In-111 chloride50800-85-6
Indocyanine green
Iodixanol92339-11-2
Iodocholesterol (131I)42220-21-3
Ioforminol1095110-48-7
Iohexol66108-95-0
Iopamidol60166-93-0
Iopanoic acid96-83-3
Iopromide73334-07-3
Iothalamic acid2276-90-6
Ioversol87771-40-2
Isosulfan blue68238-36-8
Lavoltidine76956-02-0
Light green SF yellowish5141-20-8
Methionine C-1160305-58-0
Oxidronic acid15468-10-7
Patent Blue25305-77-5
Perflexane355-42-0
Phenolsulfonphthalein143-74-8
Selenium (75Se) norcholesterol63795-61-9
Sincalide25126-32-3
Sodium chromate Cr-5110039-53-9
Sulfobromophthalein297-83-6
Technetium Tc-99m etidronate63347-65-9
Technetium Tc-99m pertechnetate23288-61-1
Tetrofosmin127502-06-1
Thallous chloride Tl-20155172-29-7
Trypan blue72-57-1
Urea C-1358069-82-2