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Screening compounds

Tonostan

Also known as Cosaldon retard, Nicotinic acid, pentifylline drug combination, 3-Pyridinecarboxylic acid, mixt. with 1-hexyl-3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione

CAS 8060-62-6Formula C19H25N5O4Molar mass 387.44 g/mol
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Tonostan chemical structure, C19H25N5O4, CAS 8060-62-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
8060-62-6
Formula
C19H25N5O4
Molar mass
387.44 g/mol
HS code
293359
Category
Screening compounds

What is Tonostan?

Plain description, key identifiers and synonyms

Tonostan is a chemical substance with the molecular formula C19H25N5O4 and a molar mass of 387.44 g/mol. Its CAS registry number is 8060-62-6. The IUPAC name is 1-hexyl-3,7-dimethylpurine-2,6-dione, pyridine-3-carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-hexyl-3,7-dimethylpurine-2,6-dione, pyridine-3-carboxylic acid
CAS number
8060-62-6
Molecular formula
C19H25N5O4
InChIKey
FODBDXDHIAFAIC-UHFFFAOYSA-N
InChI
InChI=1S/C13H20N4O2.C6H5NO2/c1-4-5-6-7-8-17-12(18)10-11(14-9-15(10)2)16(3)13(17)19;8-6(9)5-2-1-3-7-4-5/h9H,4-8H2,1-3H3;1-4H,(H,8,9)
SMILES (canonical and isomeric)
CCCCCCN1C(=O)C2=C(N=CN2C)N(C1=O)C.C1=CC(=CN=C1)C(=O)O

Synonyms

  • Cosaldon retard
  • Nicotinic acid, pentifylline drug combination
  • 3-Pyridinecarboxylic acid, mixt. with 1-hexyl-3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione
  • 1-hexyl-3,7-dimethylpurine-2,6-dione, pyridine-3-carboxylic acid

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
387.44 g/molcalc.
Exact mass
387.1907 Dacalc.
LogP (octanol/water)
1.79calc.
Topological polar surface area
112 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
28calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.42calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)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=c1[nH]c(=O)c2[nH]cnc2[nH]1

O=c1[nH]c(=O)c2[nH]cnc2[nH]1

2 rings, 11 atoms, the Xanthine ring system.

1,880 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.

Tonostan suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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Tonostan 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

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 Tonostan is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Tonostan?

Tonostan is a chemical substance with the molecular formula C19H25N5O4 and a molar mass of 387.44 g/mol. Its CAS registry number is 8060-62-6. The IUPAC name is 1-hexyl-3,7-dimethylpurine-2,6-dione, pyridine-3-carboxylic acid.

What is the CAS number of Tonostan?

The CAS registry number of Tonostan is 8060-62-6.

What is the molecular formula and weight of Tonostan?

The molecular formula of Tonostan is C19H25N5O4 and its molar mass is 387.44 g/mol.

What is Tonostan used for?

Known uses and roles of Tonostan include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Tonostan hazardous?

No GHS hazard classification for Tonostan 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 Tonostan?

Tonostan is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tonostan?

Post a free request on CompoundList and suppliers of Tonostan will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Tonostan?

Suppliers quote Tonostan 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 Tonostan

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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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