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Heterocyclic building blocks

Centazolone

Also known as 3-aminobenzo[g]quinazolin-4(3H)-one, 3-Aminobenzo-6,7-quinazoline-4-one, 3-Aminobenzo(g)quinazolin-4(3H)-one

CAS 65793-50-2Formula C12H9N3OMolar mass 211.22 g/mol
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Centazolone chemical structure, C12H9N3O, CAS 65793-50-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
65793-50-2
Formula
C12H9N3O
Molar mass
211.22 g/mol
HS code
293359
Category
Heterocyclic building blocks

What is Centazolone?

Plain description, key identifiers and synonyms

Centazolone is a chemical substance with the molecular formula C12H9N3O and a molar mass of 211.22 g/mol. Its CAS registry number is 65793-50-2. The IUPAC name is 3-aminobenzo[g]quinazolin-4-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-aminobenzo[g]quinazolin-4-one
CAS number
65793-50-2 CAS number cross-checked
Molecular formula
C12H9N3O
UNII
NR2EJM0TLD
InChIKey
CZXUQBVMAUWSBX-UHFFFAOYSA-N
InChI
InChI=1S/C12H9N3O/c13-15-7-14-11-6-9-4-2-1-3-8(9)5-10(11)12(15)16/h1-7H,13H2
SMILES (canonical and isomeric)
C1=CC=C2C=C3C(=CC2=C1)C(=O)N(C=N3)N

Synonyms

  • 3-aminobenzo[g]quinazolin-4(3H)-one
  • 3-Aminobenzo-6,7-quinazoline-4-one
  • 3-Aminobenzo(g)quinazolin-4(3H)-one
  • 3-Aminobenzo[g]quinazolin-4[3H]-one
  • Benzo(g)quinazolin-4(3H)-one, 3-amino-
  • Benzo[g]quinazolin-4(3H)-one, 3-amino-
  • Benzo[g]quinazolin-4[3H]-one, 3-amino-
  • 3-aminobenzo[g]quinazolin-4-one
  • Compound 65/469
  • Centzaolone
  • 3-Amino-6,7-benzquinazole-4-one
  • 3-Amino-3H,4H-benzo[g]quinazolin-4-one
  • 3-amino-1,3-diaza-4(3H)-anthracenone

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
211.22 g/molcalc.
Exact mass
211.0746 Dacalc.
LogP (octanol/water)
1.26calc.
Topological polar surface area
60.91 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
16calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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]cnc2cc3ccccc3cc12

O=c1[nH]cnc2cc3ccccc3cc12

3 rings, 15 atoms, the Benzo[g]quinazolin-4(3H)-one ring system.

6 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.

Centazolone suppliers

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Centazolone 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 Centazolone 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 Centazolone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Centazolone?

Centazolone is a chemical substance with the molecular formula C12H9N3O and a molar mass of 211.22 g/mol. Its CAS registry number is 65793-50-2. The IUPAC name is 3-aminobenzo[g]quinazolin-4-one.

What is the CAS number of Centazolone?

The CAS registry number of Centazolone is 65793-50-2.

What is the molecular formula and weight of Centazolone?

The molecular formula of Centazolone is C12H9N3O and its molar mass is 211.22 g/mol.

What is Centazolone used for?

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

Is Centazolone hazardous?

No GHS hazard classification for Centazolone 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 Centazolone?

Centazolone 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 Centazolone?

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

What is the price of Centazolone?

Suppliers quote Centazolone 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 Centazolone

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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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