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Heterocyclic building blocks

Diodon

Also known as Diodone, Iodopyracet, Cardiotrast

CAS 300-37-8Formula C11H16I2N2O5Molar mass 510.07 g/molEC 206-089-4
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Diodon chemical structure, C11H16I2N2O5, CAS 300-37-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
300-37-8
Formula
C11H16I2N2O5
Molar mass
510.07 g/mol
EC number
206-089-4
HS code
293339
Category
Heterocyclic building blocks

What is Diodon?

Plain description, key identifiers and synonyms

Diodon is a chemical substance with the molecular formula C11H16I2N2O5 and a molar mass of 510.07 g/mol. Its CAS registry number is 300-37-8. The IUPAC name is 2-(3,5-diiodo-4-oxo-1-pyridinyl)acetic acid, 2-(2-hydroxyethylamino)ethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(3,5-diiodo-4-oxo-1-pyridinyl)acetic acid, 2-(2-hydroxyethylamino)ethanol
CAS number
300-37-8 CAS number cross-checked
EC number
206-089-4
Molecular formula
C11H16I2N2O5
UNII
ZTK4026YJ5
InChIKey
RERHJVNYJKZHLJ-UHFFFAOYSA-N
InChI
InChI=1S/C7H5I2NO3.C4H11NO2/c8-4-1-10(3-6(11)12)2-5(9)7(4)13;6-3-1-5-2-4-7/h1-2H,3H2,(H,11,12);5-7H,1-4H2
SMILES (canonical and isomeric)
C1=C(C(=O)C(=CN1CC(=O)O)I)I.C(CO)NCCO

Synonyms

  • Diodone
  • Iodopyracet
  • Cardiotrast
  • Kardiotrast
  • Diodrast
  • 2-(3,5-diiodo-4-oxopyridin-1-yl)acetic acid, 2-(2-hydroxyethylamino)ethanol
  • (3,5-diiodo-4-oxopyridin-1(4H)-yl)acetic acid - 2,2'-iminodiethanol (1:1)
  • (3,5-Diiodo-4-oxopyridin-1(4H)-yl)acetic acid--2,2'-azanediyldi(ethan-1-ol) (1/1)
  • 2-(3,5-diiodo-4-oxo-1-pyridinyl)acetic acid, 2-(2-hydroxyethylamino)ethanol
  • 3,5-Diiodo-4-oxo-1-(4H)-pyridineacetic acid 2,2'-iminodiethanol (1:1) compound

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
510.07 g/molcalc.
Exact mass
509.9149 Dacalc.
LogP (octanol/water)
-0.3calc.
Topological polar surface area
111.8 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
20calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.46calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1cc[nH]cc1

O=c1cc[nH]cc1

1 ring, 7 atoms, the 4-Hydroxypyridine ring system.

2,433 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Diodon suppliers

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Where suppliers are based

1 supplier in 1 country

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Diodon price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Contrast Media

Roles

  • diagnostic agent
  • diagnostic imaging agent
  • pharmaceutical
  • radioopaque medium

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Diodon is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Diodon is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Diodon, based on the data on this page

What is Diodon?

Diodon is a chemical substance with the molecular formula C11H16I2N2O5 and a molar mass of 510.07 g/mol. Its CAS registry number is 300-37-8. The IUPAC name is 2-(3,5-diiodo-4-oxo-1-pyridinyl)acetic acid, 2-(2-hydroxyethylamino)ethanol.

What is the CAS number of Diodon?

The CAS registry number of Diodon is 300-37-8.

What is the molecular formula and weight of Diodon?

The molecular formula of Diodon is C11H16I2N2O5 and its molar mass is 510.07 g/mol.

What is Diodon used for?

Known uses and roles of Diodon include building blocks in research and laboratory, diagnostic agent, diagnostic imaging agent, pharmaceutical, radioopaque medium and 1 more.

Is Diodon hazardous?

No GHS hazard classification for Diodon is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Diodon?

Diodon is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Diodon?

CompoundList lists 1 supplier of Diodon in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Diodon?

Suppliers quote Diodon on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Diodon

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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